Change copyright statement.

[gnu-emacs] / src / ChangeLog

1999-10-07  Richard M. Stallman  <rms@caffeine.ai.mit.edu>

        * process.c (wait_reading_process_input): When trying to suck
        input from one process, for accept-process-output,
        exit that loop if we get EAGAIN or EWOULDBLOCK.

1999-10-07  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (Qbitmap_spec_p): Replaces Qpixmap_spec_p.
        (Fbitmap_spec_p): Replaces Fpixmap_spec_p.
        (load_pixmap): Use Fbitmap_spec_p and Qbitmap_spec_p instead of
        Fpixmap_spec_p and Qpixmap_spec_p.
        (load_face_colors, check_lface_attrs,
        merge_face_vector_with_property,
        Finternal_set_lisp_face_attribute): Use Fbitmap_spec_p.
        (syms_of_xfaces): Initialize Qbitmap_spec_p, defsubr
        Fbitmap_spec_p.

1999-10-07  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (display_menu_bar): Use MENU_FACE_ID instead of
        MODE_LINE_FACE_ID.

        * xfaces.c (toplevel) [USE_MOTIF]: Include some Motif headers.
        (struct x_resources) [USE_X_TOOLKIT]: New.
        (xm_apply_resources, xm_set_menu_resources_from_menu_face)
        [USE_MOTIF]: New.
        (xl_apply_resources, xl_set_menu_resources_from_menu_face)
        [USE_LUCID]: New.
        (x_set_menu_resources_from_menu_face) [USE_X_TOOLKIT]: New.
        (Qmenu): New.
        (syms_of_xfaces): Initialize Qmenu.
        (realize_basic_faces): Realize face `menu'.
        (resolve_face_name): New.
        (lface_from_face_name): Use it.
        (Finternal_set_lisp_face_attribute): Ditto.
        (Fpixmap_spec_p): Rewritten.  Extend doc string.

        * xmenu.c (set_frame_menubar, xmenu_show): Call
        x_set_menu_resources_from_menu_face.

        * dispextern.h (enum face_id): Add MENU_FACE_ID.
        (toplevel): Include X11/Intrinsic.h.

1999-10-03  Ken'ichi Handa  <handa@gnu.org>

        * coding.c (DECODE_CHARACTER_ASCII): Decode ASCII invocated to GR
        correctly.

1999-09-30  Kenichi Handa  <handa@etl.go.jp>

        * category.c (modify_lower_category_set): Set default value of
        TABLE correctly.

        * minibuf.c (Fminibuffer_complete_word): Calculate string byte
        size correctly.

1999-09-29  Gerd Moellmann  <gerd@gnu.org>

        * editfns.c (Fpropertize): Renamed from Fproperties.

1999-09-29  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (resize_mini_window): Do nothing if frame is an X
        frame that hasn't been initialized yet.

1999-09-27  Dave Love  <fx@gnu.org>

        * cm.h: Remove unneeded declaration of ospeed.

1999-09-26  Gerd Moellmann  <gerd@gnu.org>

        * lisp.h (toplevel): Add prototype for
        next_single_char_property_change.

        * textprop.c (next_single_char_property_change): New.

        * xdisp.c (display_prop_end, invisible_text_between_p): Use
        next_single_char_property_change.

1999-09-25  Gerd Moellmann  <gerd@gnu.org>

        * editfns.c (Fproperties): New.
        (syms_of_editfns): Defsubr it.

        * xfns.c (lookup_image): Set image's timestamp because it's
        used when we look it up.

1999-09-23  Gerd Moellmann  <gerd@gnu.org>

        * window.c (enlarge_window): Add window parameter instead of using
        selected_window.
        (Fdisplay_buffer): Call it with window parameter instead of
        setting selected_window.
        (Fenlarge_window, Fshrink_window): Ditto.
        (shrink_mini_window): If there is no recorded height and position
        info, resize mini-window to height 1.

        * xfns.c (image_error): Use add_to_log.

        * xfaces.c (load_pixmap): Call add_to_log without frame parameter.
        (load_face_font_or_fontset, load_color,
        merge_face_vector_with_property): Ditto.

        * dispextern.h: Add prototype for add_to_log.

        * xfaces.c (add_to_log): Move to xdisp.c.

        * xdisp.c (add_to_log): Moved from xfaces.c.  Remove frame
        parameter.

1999-09-23  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (XTread_socket) <MotionNotify>: Change #ifdef
        USE_X_TOOLKIT to #ifdef USE_TOOLKIT_SCROLL_BARS.

        * xdisp.c (resize_mini_window): Use grow_mini_window and
        shrink_mini_window.

        * window.c (window_min_size): Add parameter ignore_fixed_p.
        (change_window_height): Call window_min_size with new parameter.
        (shrink_window_lowest_first, save_restore_orig_size,
        grow_mini_window, shrink_mini_window): New.
        (make_window, replace_window): Initialize orig_top and
        orig_height.
        (enlarge_window): Renamed from change_window_height.  Make it
        static.
        (Fdisplay_buffer, Fenlage_window, Fshrink_window): Call
        enlarge_window instead of change_window_height.

        * window.h (struct window): New members orig_top, orig_height.
        (toplevel): Add prototypes for grow_mini_window and
        shrink_mini_window.  Remove prototype for change_window_height.

1999-09-21  Eli Zaretskii  <eliz@gnu.org>

        * frame.c (frame_name_fnn_p): Fix previous change.

1999-09-20  Gerd Moellmann  <gerd@gnu.org>

        * minibuf.c (toplevel): Move include of stdio.h to other includes.

        * dispnew.c (direct_output_for_insert): Cast arguments to
        safe_bcopy to char *.

        * lread.c (readchar): Remove unused variables.
        (read_filtered_event, read1, Fmapatoms): Ditto.
        (toplevel): Include intervals.h.

        * eval.c (Fsignal): Remove unused variables.
        (Fcommandp, do_autoload): Ditto.

        * lisp.h: Add prototype for safe_bcopy, fatal.

        * editfns.c (init_editfns): Remove unused variables.
        (Fgoto_char, Fchar_after, Fformat): Ditto.
        (message_text, message_length): Put in #ifndef HAVE_MENUS.

        * data.c (find_symbol_value): Remove unused variables.
        (Faref, Fstring_to_number): Ditto.
        (toplevel): Include stdio.h.
        (Fnumber_to_string): Cast XINT to long for %ld.

        * casefiddle.c (casify_object): Remove unused variables.
        (casify_region): Ditto.

        * filelock.c (get_boot_time): Put local variable used in 
        conditinally compiled section in #ifdef.
        (toplevel): Include stdio.h.

        * keymap.c (Flookup_key, Faccessible_keymaps, describe_vector,
        keys_of_keymap, syms_of_keymap): Remove unused variables.

1999-09-20  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (sync_frame_with_window_matrix_rows): Disable frame rows
        whose corresponding window rows have been disabled in
        try_window_id.

1999-09-20  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (compute_window_start_on_continuation_line): Handle case
        that window start is out of range.
        (handle_display_prop, handle_single_display_prop): Replace
        marginal area specifications like `left-margin' with `(margin
        left-margin)'.
        (Qmargin): New.
        (syms_of_xdisp): Initialize Qmargin.

1999-09-19  Gerd Moellmann  <gerd@gnu.org>

        * syntax.c (update_syntax_table, find_defun_start, back_comment,
        describe_syntax, skip_chars): Remove unused variables.
        (back_comment, forw_comment): Add braces to if-statement with
        if-else as dependent statement.

        * process.c (list_processes_1): Remove unused variables.
        (Fopen_network_stream, create_process): Add parentheses to
        conditional expressions.
        (create_process): Put declaration of sigchld in #if 0.
        (Fopen_network_stream): Removed unused variables.
        (Fopen_network_stream, wait_reading_process_input,
        wait_reading_process_input, send_process, send_process): Ditto.
        (toplevel): Add prototypes for set_waiting_for_input and
        keyboard_bit_set.

        * abbrev.c (Fexpand_abbrev): Remove unused variables.

        * textprop.c (Fset_text_properties): Remove unused variables.
        (text_property_list, verify_interval_modification,
        interval_has_all_properties): Ditto.

        * callproc.c (toplevel) [HAVE_UNISTD_H]: Include unistd.h.
        (Fcall_process): Remove unused variable.

        * keyboard.c (Frecursive_edit): Remove unused variable.
        (command_loop_1, safe_run_hooks, kbd_buffer_get_event,
        timer_check, make_lispy_event, menu_bar_items,
        menu_bar_one_keymap, menu_bar_item, parse_menu_item,
        parse_tool_bar_item, read_char_x_menu_prompt, read_key_sequence,
        kbd_buffer_get_event, make_lispy_event, read_char_x_menu_prompt,
        read_key_sequence): Ditto.  Fread_key_sequence,
        Fread_key_sequence_vector, Fsuspend_emacs): Ditto.
        (read_key_sequence) [GOBBLE_FIRST_EVENT]: Put local variables only
        used when GOBBLE_FIRST_EVENT is defined in #ifdef
        (Fexecute_extended_command): Cast XINT to long for %ld.
        (toplevel) [HAVE_UNISTD_H]: Include unistd.h.
        (toplevel): Include sys/types.h.

        * lisp.h (RETURN_UNGCPRO): Use do-while (0) idiom.
        (toplevel): Add prototypes for stuff_char, and
        code_convert_string_norecord.

1999-09-19  Gerd Moellmann  <gerd@gnu.org>

        * buffer.h: Add prototype for r_re_alloc.

        * insdel.c (copy_text): Removed unused variables.
        (count_combining_after, count_combining_after, insert_1_both,
        insert_from_string_1, insert_from_buffer_1, check_markers): Ditto.
        (adjust_after_replace, replace_range): Add parentheses to logical
        expressions.  Remove unused variables.
        (CHECK_BYTE_COMBINING_FOR_INSERT): Add parentheses to logical
        expression.

        * alloc.c (Fgarbage_collect): Remove unused variable.
        (compact_strings): Add parentheses around assignments in
        conditional context.
        (toplevel): Put declaration of unused function clear_marks
        in #if 0 like its definition.

        * lisp.h: Add prototype for shrink_regexp_cache,
        sweep_weak_hash_tables.

1999-09-19  Dave Love  <fx@gnu.org>

        * process.c (Fopen_network_stream): Use strerror, not gai_strerror.

        * doc.c (read_bytecode_char): Declare arg.

        * lisp.h: Declare Fcurrent_message, Fmake_temp_name,
        read_bytecode_char, Fx_hide_busy_cursor, getloadavg.

1999-09-18  Richard Stallman  <rms@gnu.org>

        * xdisp.c (echo_area_display): Turn off code that returned
        without doing anything when using a terminal frame.

1999-09-16  Gerd Moellmann  <gerd@gnu.org>

        * emacs.c (main): Remove unused variables.
        (sort_args, Fkill_emacs, Fkill_emacs): Ditto.

        * lisp.h: Add prototype for uninterrupt_malloc, memory_warnings,
        init_fileio_once, syms_of_sound, init_xfns, init_fns
        init_sound, check_message_stack.

        * emacs.c (toplevel) [HAVE_UNISTD_H]: Include unistd.h.

        * intervals.c (rotate_right, rotate_left): Add braces to avoid
        ambiguous else warning.
        (split_interval_left): Remove unused variables.
        (previous_interval, adjust_intervals_for_deletion,
        set_point_both, set_point_both, set_intervals_multibyte_1): Ditto.
        (icount, idepth, zero_length): Move into #if 0 section below
        original position where these are used.

        * buffer.h [REL_ALLOC]: Add prototypes for r_alloc and r_alloc_free.

        * buffer.c (Fkill_buffer): Remove unused variables.
        (Fkill_buffer, overlays_at, overlays_in, recenter_overlay_lists,
        fix_overlays_in_range, Fmove_overlay, Fprevious_overlay_change,
        init_buffer_once, (syms_of_buffer): Ditto.

        * xrdb.c (get_fallback): Remove unused variable.
        (x_load_resources): Ditto.  Put local variable used for Motif only
        in #ifdef USE_MOTIF.

1999-09-16  Gerd Moellmann  <gerd@gnu.org>

        * minibuf.c (read_minibuf): Remove unused variables.
        (read_minibuf, Fread_buffer, scmp, Fcompleting_read): Ditto.
        (do_completion): Move assignment out of conditional context.
        (Fdisplay_completion_list): Add parentheses to conditional expression.

        * cm.c (toplevel) [HAVE_TERMCAP_H]: Include termcap.h.

        * lisp.h: Add prototype for no_switch_window.

        * window.c (Fset_window_buffer): Remove unused variables.
        (Fset_window_margins): Ditto.

        * xdisp.c (resize_mini_window): Temporarily set the selected
        window's or Vminibuf_scroll_window's height to "fixed" around
        the call the change_window_height.

        * window.c (window_fixed_size_p): Check window's height_fixed_p
        flag.

        * window.h (struct window): New member height_fixed_p.

        * dispnew.c (direct_output_forward_char): Don't use this method
        if showing a message or a message was just cleared because we
        might need to resize the mini-window.

1999-09-16  Gerd Moellmann  <gerd@gnu.org>

        * frame.c (Fdelete_frame): Correct local variable pointing to
        selected frame after selecting new frame.

1999-09-15  Richard Stallman  <rms@gnu.org>

        * puresize.h (BASE_PURESIZE): Increase to 525000.

        * filelock.c (Vtemporary_file_directory): New variable.
        (syms_of_filelock): Set up Lisp variable.

1999-09-15  Gerd Moellmann  <gerd@gnu.org>

        * term.c (OUTPUT_IF, OUTPUT1_IF): Use do-while.
        (encode_terminal_code): Remove unused variables.
        (turn_off_face): Ditto.
        (toplevel): Include termcap.h if HAVE_TERMCAP_H.

        * dispnew.c (update_frame_line): If writing whole desired line,
        don't clear to end of line if already at the end.

1999-09-15  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (resize_mini_window): Don't report changed window
        height if it actually hasn't changed.

        * widget.c (set_frame_size, EmacsFrameSetCharSize):  Remove 
        unused variables.
        (mark_shell_size_user_specified): Put in #if 0 because not used.
        (create_frame_gcs): Put in #if 0 because currently unused.
        (first_frame_p): Ditto.

        * xmenu.c (single_menu_item, Fx_popup_menu, Fx_popup_menu,
        single_submenu, update_frame_menubar, set_frame_menubar,
        free_frame_menubar, xmenu_show, xdialog_show): Remove unused
        variables.

        * print.c (PRINTFULLP): Removed because it is no longer used and
        is misleading.
        (Ferror_message_string): Remove unused variables.
        (print_object): Cast argument of sprintf to long for `%ld'
        specifier.  Remove unused variable.

1999-09-14  Gerd Moellmann  <gerd@gnu.org>

        * sound.c (Fplay_sound): Remove usused variables.
        (be2hs): Put in #if 0 because it's currently not used.

1999-09-14  Ken Raeburn  <raeburn@gnu.org>

        * print.c (Ferror_message_string, print_error_message,
        print_object): Use XCAR, XCDR and XFLOAT_DATA instead of explicit
        member access.

1999-09-14  Gerd Moellmann  <gerd@gnu.org>

        * frame.h (CHECK_FRAME, CHECK_LIVE_FRAME): Put code in do-while.

        * frame.c (Fnext_frame): Remove unused variable(s).
        (Fprevious_frame, Fmouse_pixel_position, frame_name_fnn_p): Ditto.
        (store_frame_param): Add parentheses to conditional expression.
        (Fmodify_frame_parameters): Remove unused variables.
        (Fmodify_frame_parameters, Fset_frame_size, Fset_frame_position):
        Ditto.

        * xfns.c (x_set_background_color): Remove unused variable(s).
        (x_set_border_pixel): Ditto.
        (x_set_menu_bar_lines): Put local variable used only for
        non-toolkit case in #ifdef/#endif.
        (x_figure_window_size): Remove unused variable(s).
        (x_figure_window_size, x_window, lookup_image, 
        xbm_read_bitmap_file_data, x_build_heuristic_mask, pbm_load,
        png_load, jpeg_load, gif_load, x_create_tip_frame,
        x_create_tip_frame, Fx_show_tip, x_set_border_pixel): Ditto.

        * xterm.c (x_scroll_bar_handle_click): Compile only if
        not USE_TOOLKIT_SCROLL_BARS.
        (x_scroll_bar_set_handle, x_scroll_bar_note_movement): Ditto.

        * dispextern.h: Add prototypes for gamma_correct and
        x_kill_gs_process.

        * xterm.c (x_produce_glyphs): Remove unused variable(s).
        (x_alloc_nearest_color_for_widget, note_tool_bar_highlight,
        x_set_toolkit_scroll_bar_thumb): Ditto.
        (x_scroll_bar_create): Move local variable to the
        conditionally compiled section of code where it is used.
        (x_scroll_bar_create): Remove unused variable(s).
        (x_scroll_bar_remove, XTread_socket): Ditto.
        (XTread_socket) <ConfigureNotify>: Move variables used for
        non-toolkit case into conditionally compiled section of code.

        * window.h (freeze_window_starts): Fix typo in prototype.

        * xdisp.c (display_echo_area_1, try_window_id): Remove unused
        variable(s).

        * lisp.h: Add prototype for debug_print.

        * dispextern.h (xassert) [GLYPH_DEBUG]: Change definition
        to use do-while.

        * fns.c (SXHASH_COMBINE): Add missing parentheses.
        (Fchar_table_range, Fset_char_table_default, mapcar1,
        Fyes_or_no_p, sweep_weak_hash_tables): Remove unused variable(s).

        * lisp.h: Add prototype for getloadavg.

1999-09-14  Andreas Schwab  <schwab@gnu.org>

        * process.c (Fopen_network_stream): Avoid socket decriptor leak.

        * lisp.h: Declare close_file_unwind.

1999-09-14  Richard Stallman  <rms@gnu.org>

        * filelock.c (get_boot_time): Make the temp name in the proper dir.

1999-09-13  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (redisplay_window): Make sure start_at_line_beg
        is always set correctly.

1999-09-13  Dave Love  <fx@gnu.org>

        * xdisp.c (move_it_in_display_line_to): Make type consistent with
        declaration.

1999-09-13  Gerd Moellmann  <gerd@delysid.gnu.org>

        * xdisp.c (QCfile): Move here from xfns.c.
        (syms_of_xdisp): Initialize it.
        (message2_nolog): Change for Lisp_Object selected_frame.
        (message3_nolog, message_with_string, message,
        setup_echo_area_for_printing, truncate_echo_area,
        prepare_menu_bars, redisplay_internal, Fdump_tool_bar_row): Ditto.

1999-09-13  Dave Love  <fx@gnu.org>

        * xterm.c: Don't continue #define args for benefit of old cc.
        (xt_action_hook): Indent #error for benefit of K&R cc.

1999-09-13  Gerd Moellmann  <gerd@delysid.gnu.org>

        * xterm.c (XTcursor_to): Change for Lisp_Object selected_frame.
        (x_clear_frame, XTring_bell, XTmouse_position, XTread_socket): Ditto.
        (XRINGBELL): Removed.

1999-09-13  Dave Love  <fx@gnu.org>

        * xfns.c (x_put_x_image): Make type consistent with declaration.

        * fns.c (Fmake_hash_table): Fix string continuation.

1999-09-13  Gerd Moellmann  <gerd@delysid.gnu.org>

        * xfns.c (QCfile): Moved to xdisp.c.
        (syms_of_xfns): Don't initialize QCfile.
        (check_x_frame): Change for Lisp_Object selected_frame.
        (check_x_display_info, x_get_resource_string): Ditto.

1999-09-13  Gerd Moellmann  <gerd@gnu.org>

        * minibuf.c (choose_minibuf_frame): Don't try to set the
        mini-buffer window's buffer, if the buffer is invalid.

        * xfns.c (QCfile): Moved to xdisp.c.
        (syms_of_xfns): Don't initialize QCfile.

        * xdisp.c (QCfile): Move here from xfns.c.
        (syms_of_xdisp): Initialize it.

        * lisp.h (selected_frame): Add external declaration.

        * xselect.c (x_own_selection): Change for Lisp_Object selected_frame.
        (Fx_store_cut_buffer_internal): Ditto.
        (Fx_rotate_cut_buffers_internal): Ditto.

        * xfaces.c (frame_or_selected_frame): Change for Lisp_Object
        selected_frame.
        (Finternal_set_lisp_face_attribute): Ditto.
        (Finternal_get_lisp_face_attribute): Ditto.
        (Finternal_lisp_face_empty_p): Ditto.
        (Fdump_face): Ditto.

        * term.c (OUTPUT): Change for Lisp_Object selected_frame.
        (OUTPUT_IF, ring_bell, set_terminal_modes, reset_terminal_modes,
        set_terminal_window, set_scroll_region, reassert_line_highlight,
        change_line_highlight, cursor_to, raw_cursor_to, clear_to_end,
        clear_end_of_line, clear_end_of_line_raw, clear_end_of_line_raw,
        encode_terminal_code, write_glyphs, term_init): Ditto.

        * sysdep.c (reset_sys_modes): Change for Lisp_Object selected_frame.
        (kbd_input_ast, read_input_waiting): Ditto.

        * minibuf.c (choose_minibuf_frame): Change for Lisp_Object
        selected_frame.
        (read_minibuf): Ditto.

        * keyboard.c (command_loop_1): Change for Lisp_Object
        selected_frame.
        (cmd_error_internal, command_loop_1, read_char,
        kbd_buffer_get_event, read_avail_input,
        read_char_minibuf_menu_prompt, read_key_sequence, Fsuspend_emacs,
        interrupt_signal, quit_throw_to_read_char): Ditto.

        * fontset.c (Ffont_info): Change for Lisp_Object selected_frame.
        (Ffontset_info): DItto.

        * emacs.c (handle_USR1_signal): Change for Lisp_Object selected_frame.

        * dispnew.c (selected_frame): Make it a Lisp_Object.
        (adjust_frame_glyphs_initially): Change for Lisp_Object selected_frame.
        (direct_output_for_insert, direct_output_forward_char,
        init_display): Ditto.

        * data.c (swap_in_symval_forwarding): Change for Lisp_Object
        selected_frame.
        (set_internal): Ditto.

        * buffer.c (Fother_buffer): Change for Lisp_Object selected_frame.
        (record_buffer): Ditto.

        * frame.c (Fmake_terminal_frame): Use SELECTED_FRAME.
        (do_switch_frame): Change for Lisp_Object selected_frame.
        (Fselected_frame): Ditto.
        (Fframe_first_window): Use SELECTED_FRAME.
        (Fframe_root_window): Change for Lisp_Object selected_frame.
        (Fframe_selected_window, Fset_frame_selected_window, Fnext_frame,
        Fprevious_frame, other_visible_frames, Fdelete_frame,
        Fmouse_position, Fmouse_pixel_position, Fmake_frame_visible,
        Fmake_frame_invisible, Ficonify_frame, Fraise_frame, Flower_frame,
        Fframe_parameters, Fmodify_frame_parameters, Fframe_char_height,
        Fframe_char_width, Fframe_pixel_height, Fframe_pixel_width,
        Fset_frame_height, Fset_frame_width): Ditto.

1999-09-13  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (message2_nolog): Change for Lisp_Object selected_frame.
        (message3_nolog, message_with_string, message,
        setup_echo_area_for_printing, truncate_echo_area,
        prepare_menu_bars, redisplay_internal, Fdump_tool_bar_row): Ditto.

        * xmenu.c (Fx_popup_menu): Change for Lisp_Object selected_frame.
        (Fx_popup_dialog): Ditto.

        * xfns.c (check_x_frame): Change for Lisp_Object selected_frame.
        (check_x_display_info, x_get_resource_string): Ditto.

        * xterm.c (XTcursor_to): Change for Lisp_Object selected_frame.
        (x_clear_frame, XTring_bell, XTmouse_position, XTread_socket): Ditto.
        (XRINGBELL): Removed.

        * window.c (Fminibuffer_window): Change for Lisp_Object
        selected_frame.
        (Fwindow_at, Fprevious_window, window_loop, select_window_1,
        display_buffer_1, Fdisplay_buffer, temp_output_buffer_show,
        Fcurrent_window_configuration, init_window_once): Ditto.

        * frame.h (SELECTED_FRAME): New.

1999-09-12  Ken Raeburn  <raeburn@gnu.org>

        * category.c (word_boundary_p): Use XCAR and XCDR.
        * ccl.c (ccl_driver, resolve_symbol_ccl_program,
        Fregister_code_conversion_map): Likewise.
        * coding.c (setup_coding_system, detect_coding_system,
        Ffind_operation_coding_system, Fset_coding_priority_internal):
        Likewise.
        * doc.c (get_doc_string, Fdocumentation,
        store_function_docstring): Likewise.
        * editfns.c (save_restriction_restore): Likewise.
        * eval.c (Fcond, Fmacroexpand, Fcondition_case, wants_debugger,
        skip_debugger, find_handler_clause, Fautoload, Fapply,
        run_hook_with_args, run_hook_list_with_args, Ffetch_bytecode):
        Likewise.
        * fileio.c (Ffind_file_name_handler, Finsert_file_contents,
        Fwrite_region, do_auto_save_unwind, Fdo_auto_save,
        Fread_file_name): Likewise.
        * filelock.c (unlock_all_files): Likewise.
        * insdel.c (Fcombine_after_change_execute): Likewise.
        * intervals.c (adjust_intervals_for_insertion): Likewise.
        * keymap.c (get_keymap_1, Fkeymap_parent, Fset_keymap_parent,
        Fset_keymap_parent, fix_submap_inheritance, access_keymap,
        store_in_keymap, Fcopy_keymap, define_as_prefix,
        current_minor_maps, Faccessible_keymaps,
        accessible_keymaps_char_table, Fkey_description,
        Fwhere_is_internal, where_is_internal_2, where_is_internal_1,
        describe_buffer_bindings, describe_map_tree, shadow_lookup,
        describe_map): Likewise.
        * lread.c (Fload, load_unwind, close_load_descs, read_vector,
        read_list, init_lread): Likewise.
        * search.c (Fmatch_data): Likewise.
        * sunfns.c (Fsun_menu_internal): Likewise.
        * syntax.c (describe_syntax): Likewise.
        * undo.c (record_insert, record_delete, Fundo_boundary,
        truncate_undo_list): Likewise.
        * vmsproc.c (child_sig): Likewise.

        * editfns.c (Fformat): Use XFLOAT_DATA.

1999-09-12  Gerd Moellmann  <gerd@gnu.org>

        * keyboard.c (command_loop_1): Resize mini-window to the
        exact size of a message displayed, if any.

        * xdisp.c (resize_mini_window): Add parameter exact_p.  Resize
        to exact size if exact_p is non-zero.
        (display_echo_area_1): Call resize_mini_window with
        new parameter.
        (redisplay_internal): Ditto.
        (resize_echo_area_axactly): New.

        * minibuf.c (read_minibuf_unwind): Call resize_mini_window with
        new parameter.

        * dispextern.h: Change prototype of resize_mini_window.
        Add prototype for resize_echo_area_axactly.

        * xfaces.c (Fx_family_fonts): Replaces Fx_font_list.
        (syms_of_xfaces): Defsubr accordingly.

        * xdisp.c (hscroll_window_tree): Choose cursor row from
        desired or current matrix.
        (redisplay_internal): Hscroll before updating.

1999-09-12  Gerd Moellmann  <gerd@gnu.org>

        * syntax.c (Fforward_word): Use prompt_end_charpos instead
        of minibuffer_prompt_length.

        * minibuf.c (read_minibuf): Use prompt_end_charpos instead
        of minibuffer_prompt_length.
        (read_minibuf_unwind): Ditto.
        (Fminibuffer_complete_and_exit): Ditto.
        (Fminibuffer_complete_word): Ditto.
        (Fminibuffer_prompt_end): Ditto.

        * editfns.c (Fbuffer_string): Use prompt_end_charpos instead
        of minibuffer_prompt_length.
        (Fline_beginning_position): Ditto.

        * buffer.c (Fget_buffer_create): Use prompt_end_charpos instead
        of minibuffer_prompt_length.
        (Fmake_indirect_buffer): Ditto.
        (Fkill_buffer): Ditto.
        (Ferase_buffer): Ditto.

        * buffer.h (prompt_end_charpos): Replaces
        minibuffer_prompt_length.

        * minibuf.c (read_minibuf): Return mini-buffer contents 
        without the prompt.

        * editfns.c (make_buffer_string_both): Take out the code
        to handle mini-buffer prompts.
        (Fbuffer_string): Handle the prompt here, instead.

        * xfaces.c (lface_from_face_name): Resolve face aliases.
        (Qmode_line): Replaces Qmodeline.
        (realize_basic_faces): Use Qmode_line.
        (syms_of_xfaces): Initialize Qmode_line.

1999-09-12  Gerd Moellmann  <gerd@gnu.org>

        * minibuf.c (read_minibuf): Set minibuf_prompt_width to the
        current column after inserting prompt.
        (Fminibuffer_prompt_width): Return minibuf_prompt_width.

        * xfaces.c (Qframe_update_face_colors): New.
        (syms_of_xfaces): Initialize call.
        (update_face_from_frame_parameter): Call that function when
        the frame's background changes.

1999-09-12  Richard Stallman  <rms@gnu.org>

        * insdel.c (del_range_1): Don't treat minibuffer prompt specially.

1999-09-12  Ken Raeburn  <raeburn@gnu.org>

        * alloc.c (Fcons, pure_cons, Fpurecopy, Fgarbage_collect,
        mark_object, mark_buffer): Use XCAR and XCDR.
        * bytecode.c (Fbyte_code): Likewise.
        * callint.c (Fcall_interactively, Fprefix_numeric_value):
        Likewise.
        * callproc.c (Fcall_process, Fcall_process_region, child_setup,
        getenv_internal): Likewise.
        * dired.c (file_name_completion): Likewise.
        * fns.c (Fsafe_length, concat, Fcopy_alist, Fmember, Fmemq, Fassq,
        assq_no_quit, Fassoc, Frassq, Frassoc, Fdelq, Fdelete, Freverse,
        Fplist_get, Fplist_put, internal_equal, mapcar1): Likewise.
        * indent.c (Fcompute_motion): Likewise.
        * process.c (decode_status, Fprocess_status, Fprocess_exit_status,
        list_processes_1, Fstart_process, Fopen_network_stream,
        wait_reading_process_input, read_process_output_call,
        kill_buffer_processes, sigchld_handler, exec_sentinel_unwind,
        status_notify, wait_reading_process_input): Likewise.
        * textprop.c (PLIST_ELT_P, property_value, set_properties,
        extend_property_ranges): Likewise.
        * w32faces.c (Fpixmap_spec_p, merge_face_list): Likewise.
        * w32fns.c (x_window_to_frame, x_set_frame_parameters,
        x_report_frame_params, x_set_cursor_type, x_icon_type,
        x_figure_window_size, Fx_create_frame, w32_load_system_font,
        w32_load_font, enum_font_cb2, w32_list_bdf_fonts, w32_list_fonts,
        w32_list_synthesized_fonts, w32_find_ccl_program, Fx_list_fonts,
        Fw32_find_bdf_fonts, w32_find_bdf_fonts_in_dir,
        x_display_info_for_name, Fx_display_list): Likewise.
        * w32menu.c (menubar_id_to_frame, single_keymap_panes,
        Fx_popup_menu, Fx_popup_dialog): Likewise.
        * w32proc.c (Fw32_set_keyboard_layout): Likewise.
        * w32term.c (x_window_to_scroll_bar, w32_read_socket,
        w32_term_init, x_delete_display): Likewise.
        * xfns.c (x_window_to_frame, x_any_window_to_frame,
        x_non_menubar_window_to_frame, x_menubar_window_to_frame,
        x_top_window_to_frame, x_set_frame_parameters,
        x_report_frame_params, x_set_cursor_type, x_icon_type,
        x_figure_window_size, Fx_create_frame, x_display_info_for_name,
        Fx_display_list, x_create_tip_frame): Likewise.
        * xmenu.c (menubar_id_to_frame, single_keymap_panes,
        Fx_popup_menu, Fx_popup_dialog): Likewise.
        * xselect.c (x_own_selection, x_get_local_selection,
        x_handle_selection_request, x_handle_selection_clear,
        x_clear_frame_selections, wait_for_property_change_unwind,
        wait_for_property_change, x_handle_property_notify,
        copy_multiple_data, x_get_foreign_selection,
        lisp_data_to_selection_data, clean_local_selection_data,
        x_handle_selection_notify, Fx_get_selection_internal,
        x_disown_buffer_selections): Likewise.
        * xterm.c (x_window_to_scroll_bar, XTread_socket, x_list_fonts,
        x_load_font, x_find_ccl_program, x_term_init, x_delete_display):
        Likewise.

        * alloc.c (make_float, make_pure_float, Fpurecopy): Use
        XFLOAT_DATA.
        * bytecode.c (Fbyte_code): Likewise.
        * floatfns.c (extract_float, Fexpt, Fabs, rounding_driver,
        fmod_float): Likewise.

1999-09-11  Richard Stallman  <rms@gnu.org>

        * xdisp.c (run_window_scroll_functions): If hook functions switch
        buffers, switch back after.

1999-09-11  Ken Raeburn  <raeburn@gnu.org>

        * charset.h (GET_TRANSLATION_TABLE): Use XCDR.
        * frame.h (FOR_EACH_FRAME): Use XCAR and XCDR.
        (PIXEL_X_FROM_CANON_X, PIXEL_Y_FROM_CANON_Y): Use XFLOAT_DATA.
        * keyboard.h (EVENT_HEAD, EVENT_START, EVENT_END, POSN_WINDOW,
        POSN_BUFFER_POSN, POSN_WINDOW_POSN, POSN_TIMESTAMP): Use XCAR and
        XCDR.
        * syntax.h (SYNTAX, SYNTAX_WITH_FLAGS, SYNTAX_MATCH): Use XCAR and
        XCDR.

1999-09-10  Richard Stallman  <rms@gnu.org>

        * xterm.c (XTread_socket): In XSetInputFocus, use RevertToParent,
        not RevertToPointerRoot.
        (XTset_vertical_scroll_bar) [!USE_TOOLKIT_SCROLL_BARS]:
        Fix the code to clear around the scroll bar.

1999-09-10  Keisuke Nishida  <kxn30@po.cwru.edu>

        * print.c: Support print-circle and related features.
        (Vprint_gensym_alist): Removed.
        (Vprint_circle, Vprint_continuous_numbering, print_number_index
        Vprint_number_table): New variables.
        (PRINT_NUMBER_OBJECT, PRINT_NUMBER_STATUS): New macros.
        (PRINTPREPARE, PRINTFINISH): Don't set Vprint_gensym_alist.
        (print, print_preprocess, print_preprocess_string, print_object):
        New/modified functions with print-circle feature.  Use
        Vprint_number_table instead of Vprint_gensym_alist for print-gensym.
        (syms_of_print): Defined new Lisp variables `print-circle',
        `print-continuous-numbering', `print-number-table'.

1999-09-10  Gerd Moellmann  <gerd@gnu.org>

        * xfns.c (x_build_heuristic_mask): Accept a list `(R G B)'
        as background color specification instead of an integer.
        (image-cache-eviction-delay): Replaces image-eviction-seconds.
        (Vimage_cache_eviction_delay): Replaces Vimage_eviction_seconds.
        (clear_image_cache, syms_of_xfns): Use it.
        (Qpostscript): Replaces Qghostscript.
        (gs_type): Use it.
        (gs_image_p): Ditto.
        (syms_of_xfns): Initialize Qpostscript.

1999-09-10  Richard Stallman  <rms@gnu.org>

        * buffer.c (Ferase_buffer): Don't erase the minibuffer prompt.

1999-09-09  Richard Stallman  <rms@gnu.org>

        * editfns.c (Fline_beginning_position): Handle minibuffer prompt here.

        * cmds.c (Fbeginning_of_line): Don't handle minibuffer prompt here.

1999-09-09  Gerd Moellmann  <gerd@gnu.org>

        * fns.c (Fmakehash): Accept just one optional argument TEST.

        * xfns.c (QCindex): New.
        (syms_of_xfns): Initialize QCindex.
        (gif_load): Use it instead of `:image'.

1999-09-09  Richard Stallman  <rms@gnu.org>

        * fileio.c (Fwrite_region): Finish renaming CONFIRM to MUSTBENEW.
        (Fwrite_region) [DOS_NT]: Handle `excl' here too.

1999-09-08  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (Qwhen): Replaces QCwhen.
        (syms_of_xdisp): Initialized it instead of QCwhen.
        (handle_single_display_prop): Use it instead of QCwhen.

1999-09-08  Ken'ichi Handa  <handa@gnu.org>

        * charset.c (translate_char): Reset MSBs of arguments of
        MAKE_CHAR.
        (CHAR_COMPONENTS_VALID_P): Fix for ASCII.

1999-09-08  Lars Magne Ingebrigtsen  <larsi@gnus.org>

        * editfns.c (Fbufsize): Accept an extra BUFFER parameter.

        * fns.c (Fbase64_decode_region): Don't place point outside of the
        current accessible portion.

1999-09-07  Richard Stallman  <rms@gnu.org>

        * keymap.c (fix_submap_inheritance): Do nothing if the proper
        parent is an ancestor of SUBMAP; otherwise, add it as the
        ultimate ancestor.

1999-09-07  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (handle_single_display_prop): Change conditional
        display property to `:when FORM . VALUE'.

1999-09-07  Richard Stallman  <rms@gnu.org>

        * fileio.c (Fwrite_region): Doc fix.

1999-09-07  Stefan Monnier  <monnier@cs.yale.edu>

        * fileio.c (Qexcl): New variable.
        (report_file_error): Handle EEXIST specially.
        (Fwrite_region): Special handling for CONFIRM = `excl'.
        (syms_of_fileio): Initialize Qexcl.

1999-09-07  Gerd Moellmann  <gerd@gnu.org>

        * xfns.c (x_set_foreground_color): Call
        update_face_from_frame_parameter.
        (x_set_background_color): Ditto.
        (x_set_mouse_color): Ditto.
        (x_set_cursor_color): Ditto.
        (x_set_border_color): Ditto.
        (x_set_scroll_bar_foreground): Ditto.
        (x_set_scroll_bar_background): Ditto.

        * xfaces.c (recompute_basic_faces): Clear face cache.
        (Finternal_set_lisp_face_attribute): Modify frame parameters
        if attributes of certain faces are changed.
        (update_face_from_frame_parameter): New.

        * xfaces.c (realize_basic_faces): Realize new basic faces.

        * dispextern.h (SCROLL_BAR_FACE_ID, BORDER_FACE_ID,
        CURSOR_FACE_ID, MOUSE_FACE_ID): New.

        * xfaces.c (Qscroll_bar, Qcursor, Qborder, Qmouse): New.
        (syms_of_xfaces): Intialize new symbols.

        * fns.c (Fmakehash): Take one argument, test, make all the
        rest keyword arguments.

        * window.c (Fset_window_margins): Make window the first argument.
        (set_window_buffer): Call Fset_window_margins with window as first
        argument.

1999-09-07  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (Qfringe): Replaces Qmargin.

1999-09-07  Kenichi Handa  <handa@etl.go.jp>

        * charset.h: Lots of comments fixed.
        (PARSE_MULTIBYTE_SEQ): Make it work also for ASCII string.
        (STRING_CHAR_AND_CHAR_LENGTH): This macro removed.

        * charset.c : Lots of comments fixed.
        (SPLIT_MULTIBYTE_SEQ): Make it work also for ASCII string.
        (CHAR_COMPONENTS_VALID_P): Name changed from
        CHAR_COMPONENT_VALID_P.  Caller changed.

1999-09-06  Richard Stallman  <rms@gnu.org>

        * insdel.c (syms_of_insdel): Define Lisp variable
        inhibit-modification-hooks.

1999-09-06  Michael Sperber [Mr. Preprocessor]  <sperber@informatik.uni-tuebingen.de>

        * s/aix4-2.h (ALIGN_DATA_RELOC): Undefined to support new
        unexaix.c.

        * s/aix3-1.h (ALIGN_DATA_RELOC): Defined to support new unexaix.c.

1999-09-06  Dave Love  <fx@gnu.org>

        * unexaix.c: New version incorporating Michael Sperber's changes
        from XEmacs.  Should solve problems on AIX 4.3.

        * lread.c (Vbyte_boolean_vars): New variable.
        (defvar_bool, syms_of_lread): Use it.

1999-09-05  Richard Stallman  <rms@gnu.org>

        * minibuf.c (read_minibuf): Put all three properties on the
        same range, the whole prompt.

1999-09-05  Gerd Moellmann  <gerd@gnu.org>

        * sound.c (Qplay_sound_functions): Replaces Qplay_sound_hook.
        (Fplay_sound, syms_of_sound): Use it.
        (parse_sound): Allow float volume values in the range [0, 1].
        (Fplay_sound): Ditto.

        * window.c (Fset_window_vscroll): Make window the first argument,
        amount to scroll the second.  Take non-negative vscroll as
        argument.
        (Fwindow_vscroll): Return non-negative vscroll.

        * xfns.c (Fx_show_tip): Improve documentation.

1999-09-05  Gerd Moellmann  <gerd@gnu.org>

        * buffer.c, buffer.h, dispextern.h, dispnew.c, keyboard.c,
        window.c, xdisp.c, xfaces.c, xterm.c, keyboard.h: Change
        `top-line' and `top_line' to `header-line' and `header_line'.
        Likewise for similar spellings.

1999-09-05  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (row_containing_pos): New.
        (try_window_id): Use it.

        * alloc.c, dispextern.h, dispnew.c, frame.c, frame.h, keyboard.c,
        lisp.h, termhooks.h, window.c xdisp.c, xfaces.c, xfns.c, xterm.c:
        Change spelling of `toolbar' to `tool_bar' or `tool-bar'.
        Likewise for upper-case etc.

1999-09-05  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (XTset_vertical_scroll_bar) [!USE_TOOLKIT_SCROLL_BARS]:
        Fix reference to renamed variable.

1999-09-04  Gerd Moellmann  <gerd@gnu.org>

        * window.c (Qwindow_size_fixed): Replaces Qfixed_window_size.
        (window_fixed_size_p): Use Qwindow_size_fixed instead of 
        Qfixed_window_size.
        (syms_of_window): Ditto.

        * fns.c (Fmakehash): Exchange optional test and size arguments.

1999-09-03  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (XTset_vertical_scroll_bar): Block input when clearing
        under newly created scroll bar.
        (expose_window): If window is not yet fully initialized, do
        nothing.  This can happen when toolkit scroll bars are used and a
        window is split.  Reconfiguring the scroll bars will generate an
        expose for a newly created window.

        * frame.h (struct frame): New member `gamma'.

        * xfns.c: Include math.h.  Add extern declaration for atof in case
        we don't see one.
        (Qscreen_gamma): New.
        (struct x_frame_parm_table): Add prototypes, add
        x_set_screen_gamma.
        (gamma_correct): New function.
        (defined_color): Call it.
        (x_set_screen_gamma): New.
        (x_set_title): Add parameter old_value.
        (RES_TYPE_FLOAT): New.
        (x_get_arg): Handle RES_TYPE_FLOAT.
        (Fx_create_frame): Call x_default_parameter for `screen-gamma'.
        (lookup_pixel_color): Change call to x_alloc_nearest_color to
        new prototype.
        (lookup_rgb_color): Ditto.
        (syms_of_xfns): Initialize Qscreen_gamma.

        * xterm.c (x_alloc_nearest_color_for_widget) [USE_X_TOOLKIT]:
        New.  Allocate color for lwlib widgets.
        (x_alloc_nearest_color): Change parameter list include the
        frame on which to allocate colors.  Gamma-correct colors.
        (x_alloc_lighter_color): Call x_alloc_lighter_color with new
        parameter list.

        * xterm.h: Change protorype of x_alloc_nearest_color.

1999-09-03  Richard Stallman  <rms@gnu.org>

        * callproc.c: Delete the system-independent include of stdlib.h
        (leaving only the one in the WINDOWSNT conditional).

1999-09-03  Andrew Choi  <choi@cs.hku.hk>

        * callproc.c (call-process) [macintosh]: Call mac_run_command in
        sysdep.c.  The Mac code is modeled after the DOS code.
        
        * dispextern.h [macintosh]: Include macterm.h to define substitute X
        Window types and macros.

        * frame.h: Do nothing if included a second time.
        (enum output_method): Add mac_output frame type.
        (union output_data): Add new alternative `mac'.
        (FRAME_MAC_P): New macro.
        
        * frame.c (Fframep) [macintosh]: Handle mac frame type.
        (syms_of_frame_1): Initialize Qmac.
        (make_terminal_frame) [macintosh]: Initialize output_data.mac fields.
        (Fmake_terminal_frame) [macintosh]: Add an alternate error check.
        (Fmodify_frame_parameters) [macintosh]: Call
        mac_set_frame_parameter in macterm.c.
        
        * keyboard.c [macintosh]: Set KBD_BUFFER_SIZE to a smaller value
        (512) because Mac compilers limit local data of a function to 32K.
        
        * make-docfiles.c: Correctly handle input files with Mac-style
        eol's.
        
        * sysdep.c: Define numerous routines to emulate Unix system calls.
        
        * xfaces.c: on MacOS, define the set of colors listed in rgb.txt
        file of an X Window environment.
        
        * xfaces.c: on MacOS, define the Lisp functions x-display-color-p,
        x-display-grayscale, x-color-defined-p, and x-color-values.
        
        * sysdep.c [macintosh] (stat, fstat, mkdir, rmdir, utime, access)
        (open, creat, unlink, read, write, rename, fopen, pause, alarm)
        (signal, sleep, gmtime, localtime, ctime, time, index, mktemp)
        (getpwuid, getpwnam, dup, dup2, isatty, getgid, getegid, getuid)
        (geteuid, getpid, getenv, uname, opendir, closedir, readdir, getwd.):
        New functions, replacing POSIX features.
        
        * sysdep.c [macintosh] (Mac2UnixPathname, Unix2MacPathname, CheckAlarm)
        (InitMyPasswd, GetTempDirName, mystrchr, mystrtok, mystrcpy):
        (InitEmacsPasswdDir, run_mac_command): New subroutines.

        * sysdep.c [macintosh] (targetTicks, alarm_signal_func, myPasswdName)
        (myPasswd, emacsPasswdDir, emacsPasswd, myPasswdInited, mask)
        (myPasswdDir, TempDirName, sys_siglist): New variables.

        * sysdep.c [macintosh] (execvp, wait, croak, fork, kill, sigsetmask)
        (sigblock, request_sigio, unrequest_sigio, setpgrp, pipe, symlink)
        (link, lstat, readlink, umask, chmod, sbrk, fsync, ioctl):
        Define empty stubs so Emacs will link.

1999-09-03  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c: Use XCAR and XCDR instead of XCONS.

        * window.h: New member frozen_window_start_p.

        * window.c (foreach_window, foreach_window_1): New.
        (freeze_window_start, freeze_window_starts): New.
        (make_window): Initialize frozen_window_start_p.
        (replace_window): Ditto.
        (Fset_window_point): Remove references to deleted variables.
        (Fset_window_start): Ditto.

        * xdisp.c (Vresize_mini_config, resize_mini_frame,
        resize_mini_initial_height): Removed.
        (syms_of_xdisp): Remove references to these variables.
        (resize_mini_window): Don't save window configuration, freeze
        window starts instead.  Enlarge window until displaying an empty
        buffer, then shrink it.  Make the function externally visible.
        (redisplay_window): Treat frozen window start like forced start,
        but accept point outside of the window.

        * dispextern.h: Add function prototype for resize_mini_window.

        * minibuf.c (read_minibuf_unwind): Resize mini-window when
        reaching minibuf_level 0.

        * lisp.h: Remove extern declarations for variables deleted from
        xdisp.c.

        * dispnew.c (adjust_frame_glyphs): Remove reference to
        Vresize_mini_config.

1999-09-03  Gerd Moellmann  <gerd@gnu.org>

        * xfns.c (x_set_scroll_bar_width): Change conditional compilation
        to USE_TOOLKIT_SCROLL_BARS.

        * xterm.c (x_scroll_bar_create): Don't clear under scroll bar
        here.
        (XTset_vertical_scroll_bar): Clarify position computations.  Clear
        under newly created scroll bar.  Put toolkit scroll bars in the
        middle of the area reserved for the scroll bar.

1999-09-03  Kenichi Handa  <handa@etl.go.jp>

        The following changes are for the new handling of mulitbyte
        sequence.  Now, except for a composite character, no multibyte
        character in string/buffer has trailing garbage bytes.  For
        instance, the length of string "\201\300\300" is now 2, the first
        character is Latin-1 A-grave, the second is raw \300.

        * charset.h (MAKE_NON_ASCII_CHAR): Handle the case that C1 or C2
        are negative.
        (MAKE_CHAR): Don't set MSBs of C1 and C2 to 0.
        (VALID_MULTIBYTE_CHAR_P): This macro deleted.
        (PARSE_COMPOSITE_SEQ): New macro.
        (PARSE_CHARACTER_SEQ): New macro.
        (PARSE_MULTIBYTE_SEQ): New macro. 
        (CHAR_PRINTABLE_P): New macro.
        (STRING_CHAR): Adjusted for the change of string_to_non_ascii_char.
        (STRING_CHAR_AND_LENGTH): Likewise.
        (STRING_CHAR_AND_CHAR_LENGTH): Define it as STRING_CHAR_AND_LENGTH.
        (INC_POS): Use the macro PARSE_MULTIBYTE_SEQ.
        (DEC_POS, BUF_INC_POS, BUF_DEC_POS): Likewise,

        * charset.c (SPLIT_COMPOSITE_SEQ): New macro.
        (SPLIT_CHARACTER_SEQ): New macro.
        (SPLIT_MULTIBYTE_SEQ): New macro.
        (CHAR_COMPONENT_VALID_P): New macro.
        (non_ascii_char_to_string): Generate a multibyte sequence as far
        as possible.
        (string_to_non_ascii_char): The 4th arg exclude_tail_garbage is
        deleted.  Caller changed.  Use the macro SPLIT_MULTIBYTE_SEQ.
        (split_non_ascii_string): Likewise.
        (multibyte_form_length): Use the macro PARSE_MULTIBYTE_SEQ.
        (char_printable_p): New function.
        (translate_char): Check character by NATNUMP instead of INTEGERP.
        (unibyte_char_to_multibyte): Call char_valid_p instead of
        VALID_MULTIBYTE_CHAR_P.
        (Fmake_char_internal): Check the arguments more rigidly.
        (Fcharset_after): Use the macro SPLIT_MULTIBYTE_SEQ.
        (char_valid_p): Check the validity by CHAR_COMPONENT_VALID_P.
        (Fmultibyte_char_to_unibyte): Check the validity of character by
        CHAR_VALID_P.
        (chars_in_text): Call multibyte_chars_in_text.
        (multibyte_chars_in_text): Use the macro PARSE_MULTIBYTE_SEQ.
        (Fcompose_string): Use the macro STRING_CHAR_AND_LENGTH instead of
        STRING_CHAR_AND_CHAR_LENGTH (which is obsolete now).

        * data.c (Faset): Adjust the way to check byte-combining
        possibility for the new handling of multibyte sequence.

        * editfns.c (Fsubst_char_in_region): Likewise.

        * fns.c (count_combining): Use the macro PARSE_MULTIBYTE_SEQ.
        (string_char_to_byte): Likewise.
        (string_byte_to_char): Likewise.

        * indent.c (MULTIBYTE_BYTES_WIDTH): Delete the 2nd arg C.  Use the
        macro STRING_CHAR_AND_LENGTH.  Caller changed.

        * insdel.c (count_combining_composition): New function.
        (count_combining_before): Adjust the way to check byte-combining
        possibility for the new handling of multibyte sequence.  Call
        count_combining_composition for a composite character.
        (count_combining_after): Likewise.

        * print.c (print_string): Use the macro STRING_CHAR_AND_LENGTH.
        (print): Likewise.

        * dispextern.h (struct it): Change the size of the member
        `ctl_chars'.

        * xdisp.c (get_next_display_element): Display incomplete multibyte
        sequence (e.g. \222\300) by octal form.

1999-09-02  Gerd Moellmann  <gerd@gnu.org>

        * xterm.h (VERTICAL_SCROLL_BAR_WIDTH_TRIM): Change from 2 to 0.

        * fns.c (Fhash_table_weakness): Replaces Fhash_table_weak.
        (cmpfn_eql, sxhash): Use XFLOAT_DATA.

1999-09-02  Gerd Moellmann  <gerd@gnu.org>

        * buffer.c (set_buffer_internal): Never set
        windows_or_buffers_changed.

        * xdisp.c (try_window_id): Reset first_unchanged_at_end_row
        if we have displayed to the bottom of the window.

        * syntax.c (Fforward_word): Stop at a mini-buffer prompt end
        in both directions.  Extend documentation.

1999-09-01  Gerd Moellmann  <gerd@gnu.org>

        * minibuf.c (read_minibuf): Flush display after setting cursor to
        column 0.

1999-08-31  Gerd Moellmann  <gerd@gnu.org>

        * s/freebsd.h (__FreeBSD_version): Don't define it if it is
        already defined.  This avoids a warning from buffer.c.

1999-08-30  Gerd Moellmann  <gerd@gnu.org>

        * xterm.h (FRAME_X_FLAGS_AREA_COLS): Define it as the total width
        of both margins.
        (FRAME_X_FLAGS_AREA_WIDTH): Likewise.
        (FRAME_X_LEFT_FLAGS_AREA_WIDTH): New.
        (FRAME_X_RIGHT_FLAGS_AREA_WIDTH): New.

        * frame.h (FRAME_WINDOW_WIDTH_ARG): Add in FRAME_FLAGS_AREA_COLS
        once instead of twice.
        (FRAME_LEFT_FLAGS_AREA_WIDTH): New.

        * xterm.c: Remove unused bitmaps.
        (continued_bits, continuation_bits, overlay_bits): Change images.
        (x_draw_vertical_border): Use FRAME_X_RIGHT_FLAGS_AREA_WIDTH
        instead of FRAME_X_FLAGS_AREA_WIDTH.
        (x_after_update_window_line): Ditto.
        (x_draw_bitmap): Likewise.
        (x_draw_row_bitmaps): Likewise.
        (x_draw_glyph_string_box): Likewise.
        (x_draw_glyphs): Likewise.
        (x_scroll_run): Likewise.
        (expose_window_tree): Likewise.
        (note_mode_line_highlight): Likewise.
        (XTset_vertical_scroll_bar): Likewise.
        (x_clip_to_row): Likewise.
        (x_set_window_size): Likewise.

        * xfns.c (x_figure_window_size): Use FRAME_FLAGS_AREA_COLS instead
        of 2 * that value.

        * xdisp.c (window_box_width): Use FRAME_FLAGS_AREA_COLS instead of
        2 * that value.
        (window_box_left): Use FRAME_LEFT_FLAGS_AREA_WIDTH instead of
        FRAME_FLAGS_AREA_WIDTH.

        * window.c (coordinates_in_window): Use
        FRAME_LEFT_FLAGS_AREA_WIDTH instead of FRAME_FLAGS_AREA_WIDTH.
        (window_internal_width): Subtract FRAME_FLAGS_AREA_WIDTH once
        instead of twice.

        * widget.c (set_frame_size): Set flags_area_extra to 
        FRAME_FLAGS_AREA_WIDTH instead of 2 * that width.
        (EmacsFrameSetCharSize): Ditto.

        * dispnew.c (mode_line_string): Add FRAME_LEFT_FLAGS_AREA_WIDTH
        instead of FRAME_FLAGS_AREA_WIDTH.

        * dispextern.h (WINDOW_DISPLAY_PIXEL_WIDTH): Subtract
        FRAME_FLAGS_AREA_COLS once.
        (WINDOW_DISPLAY_LEFT_EDGE_PIXEL_X): Add
        FRAME_LEFT_FLAGS_AREA_WIDTH instead of FRAME_FLAGS_AREA_WIDTH.

1999-08-30  Gerd Moellmann  <gerd@gnu.org>

        * freebsd.h (C_SWITCH_SYSTEM): Added to let configure find headers
        in /usr/X11R6/include which are checked for with AC_CHECK_HEADER.

1999-08-30  Gerd Moellmann  <gerd@gnu.org>

        * fns.c (QCweakness): Replaces QCweak.
        (Fmake_hash_table): Ditto.
        (Fmakehash): Ditto.
        (syms_of_fns): Ditto.

1999-08-29  Richard Stallman  <rms@gnu.org>

        * search.c (compile_pattern_1): Enable RE_CHAR_CLASSES for regexp.

        * sysdep.c (read_input_waiting): Pass read_socket_hook just 4 args.

        * syntax.h (SYNTAX_COMMENT_NESTED, SYNTAX_FLAGS_COMMENT_NESTED):
        Add support for nested comments.

        * syntax.c (lisp_parse_state, back_comment, Fmodify_syntax_entry)
        (Fforward_comment, scan_lists, scan_sexps_forward)
        (Fparse_partial_sexp): Add support for nested comments.
        (forw_comment): New subroutine used in them.

1999-08-28  Ken Raeburn  <raeburn@gnu.org>

        * lisp.h (struct Lisp_Cons, XCAR, XCDR, struct Lisp_Float): Change
        names of structure elements if HIDE_LISP_IMPLEMENTATION is
        defined, to help detect code that uses knowledge of the Lisp
        internals that it shouldn't have.
        (XFLOAT_DATA): New macro.

1999-08-25  Gerd Moellmann  <gerd@gnu.org>

        * syntax.c (Fforward_word): If in a mini-buffer and moving
        backwards, stop in front of the prompt to prevent accidentially
        moving into the read-only prompt.

        * window.c (Frecenter): Clear frame if called with nil or no arg.

        * xdisp.c (resize_mini_window): Don't resize if
        Vmax_mini_window_height is nil.  Otherwise, use a default if
        Vmax_mini_window_height is not ot a number.
        (syms_of_xdisp): Extend documentation of Vmax_mini_window_height.

1999-08-25  Alexandre Oliva  <oliva@dcc.unicamp.br>

        * unexelf.c: Merge IRIX debugging info patch from unexsgi.c
        * m/iris4d.h: Use unexelf for IRIX 5.*.
        * m/iris5d.h: Use unexelf for IRIX 6.*.
        * unexsgi.c: Deleted.

        * unexelf.c: Auto-detect .sbss section.
        (round_up): Make it static.
        (unexec): Declare alignment as Elf Word.  Skip ``Program
        segment above .bss'' test on MIPS without .sbss.
        Copy sections .got and .sdata1 sections.  Adjust offsets in
        sections .sdata, .lit4, .lit8, .got and .sdata1.

1999-08-25  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (try_window_id): Remove typo.

1999-08-24  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (try_window_id): Recognize case that PT == ZV and in
        unchanged text at the bottom when computing the cursor position.
        (message3_nolog): Raise frame only if minibuffer_auto_raise is
        set.

        * lisp.h (PVEC_TYPE_MASK): Add the bit for hash tables.

1999-08-24  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (Qmargin): Replacement for Qbitmap_area.
        (realize_basic_faces): Replace Qmargin for Qbitmap_area.
        (syms_of_xfaces): Ditto.

        * window.c (Fset_window_point): Reset Vresize_mini_config.
        (Fset_window_start): Ditto.
        (set_window_buffer): Ditto.

        * dispnew.c (adjust_frame_glyphs): Reset Vresize_mini_config.

        * xdisp.c (redisplay_window): Don't ever test just_this_one_p
        before calling try_window.
        (echo_area_display): If height has changed, update other windows.
        (resize_mini_frame, resize_mini_initial_height): New.
        (resize_mini_window): Save/restore window configuration
        differently.

        * lisp.h (Vresize_mini_config, resize_mini_frame, 
        resize_mini_initial_height): Add extern declarations.

        * xterm.c (expose_window_tree): Fix typo CANON_Y_UNIT to
        CANON_X_UNIT.

        * xfns.c [HAVE_JPEG]: Work around a warning about HAVE_STDLIB_H
        being redefined in jconfig.h.

1999-08-23  Ken'ichi Handa  <handa@gnu.org>

        * coding.h: Include "ccl.h" instead of "../src/ccl.h".

1999-08-22  Gerd Moellmann  <gerd@gnu.org>

        * alloc.c (mark_glyph_matrix): Mark strings only.

        * xdisp.c (redisplay_internal): Clear garbaged frames after
        resizing mini-window.

1999-08-22  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (unwind_with_echo_area_buffer): Use
        set_buffer_internal_1 instead of set_buffer_internal.
        (with_echo_area_buffer): Ditto.

        * buffer.c (set_buffer_internal): Set windows_or_buffers_changed
        only if buffer is displayed somewhere.

        * buffer.h (BUF_COMPUTE_UNCHANGED): New.

        * insdel.c (gap_left): Use BUF_COMPUTE_UNCHANGED.
        (gap_right): Ditto.
        (modify_region): Ditto.

        * buffer.c (modify_overlay): Use BUF_COMPUTE_UNCHANGED.

        * xdisp.c (Vresize_mini_config): New.
        (resize_mini_window): Use it to save restore original window
        configuration
        (syms_of_xdisp): Initialize it.

        * buffer.h (struct buffer): Add prevent_redisplay_optimizations_p.

        * dispextern.h (struct glyph_matrix): Add buffer, begv, and zv.

        * xdisp.c (reconsider_clip_changes): New.
        (redisplay_internal, redisplay_window): Call it.
        (mark_window_display_accurate, redisplay_internal): Set current
        matrix' buffer, begv, zv.

        * window.c (Fset_window_hscroll): Set
        prevent_redisplay_optimizations_p instead of clip_changed.
        (Fset_window_hscroll): Ditto.
        (temp_output_buffer_show): Ditto.
        (Fset_window_vscroll): Ditto.

        * buffer.c (reset_buffer): Set clip_changed to 0 and
        prevent_redisplay_optimizations_p to 1.
        (Fget_buffer_create): Set prevent_redisplay_optimizations_p to 1.

        * buffer.h (BUF_UNCHANGED_MODIFIED, UNCHANGED_MODIFIED,
        BUF_OVERLAY_UNCHANGED_MODIFIED, OVERLAY_UNCHANGED_MODIFIED,
        BUF_BEG_UNCHANGED, BEG_UNCHANGED, BUF_END_UNCHANGED,
        END_UNCHANGED): New.
        (struct buffer_text):  Add beg_unchanged, end_unchanged,
        unchanged_modified, overlay_unchanged_modified.

        * window.h (beg_unchanged, end_unchanged, unchanged_modified,
        overlay_unchanged_modified): Removed.
        (with_echo_area_unwind_data): Don't save beg/end_unchanged.
        (unwind_with_echo_area_buffer): Don't restore them.
        (debug_beg_unchanged, debug_end_unchanged) [GLYPH_DEBUG]: Removed.
        (text_outside_line_unchanged_p, redisplay_internal,
        try_scrolling): Use/set buffer-specific beg/end_unchanged.
        (redisplay_window): Let try_window_id be called if more than one
        window is displayed.  Use/set buffer-specific beg/end_unchanged.
        (get_last_unchanged_at_beg_row, get_first_unchanged_at_end_row,
        try_window_id):
        Use buffer-specific beg/end_unchanged.

        * window.h (beg_unchanged, end_unchanged, unchanged_modified,
        overlay_unchanged_modified): Remove extern declarations.

        * keyboard.c (command_loop_1):  Set beg/end_unchanged per
        buffer.

        * insdel.c (gap_left): Compute beg/end_unchanged per buffer.
        (gap_right): Ditto.
        (adjust_after_replace): Likewise.
        (replace_range, del_range_2, modify_region): Likewise.

        * dispnew.c (direct_output_for_insert):  Set beg_unchanged
        and unchanged_modified per buffer.

        * coding.c (code_convert_region): Compute beg/end_unchanged per
        buffer.

        * buffer.c (modify_overlay): Compute beg/end_unchanged
        per buffer.
        (Fget_buffer_create): Initialize new members of the buffer 
        structure.

1999-08-22  Gerd Moellmann  <gerd@gnu.org>

        * lisp.h: Add prototype for copy_hash_table and Fcopy_hash_table.

        * fns.c (Qkey, Qvalue): Renamed from Qkey_weak, and Qvalue_weak.
        (Qkey_value_weak):  Removed.
        (make_hash_table): Use nil, `key', `value', t for weakness.
        (Fmake_hash_table): Ditto.
        (copy_hash_table): New.
        (Fcopy_hash_table): New.

1999-08-22  Gerd Moellmann  <gerd@gnu.org>

        * xfns.c: Call change_frame_size and do_pending_window_change with
        new parameter.  

1999-08-21  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (resize_mini_window): Do it for truncate-lines t as
        well.
        (redisplay_internal): Resize mini-window only if text might 
        have changed.
        (display_echo_area): Reset displayed echo_area_buffer to nil
        at the end if we're displaying a nil message.

1999-08-21  Gerd Moellmann  <gerd@gnu.org>
        
        * fns.c (hash_lookup): Test with EQ before calling key comparion
        function.
        (hash_remove): Ditto.
        (cmpfn_eq): Removed.
        (cmpfn_eql): Don't test with EQ.
        (cmpfn_equal): Ditto.
        (make_hash_table): Set comparison function for `eq' to null.

        * buffer.c, cmds.c, editfns.c, indent.c, insdel.c, buffer.h:
        Remove conditional compilation on NO_PROMPT_IN_BUFFER.

        * dispextern.h (NO_PROMPT_IN_BUFFER): Removed.

        * window.c, widget.c, process.c, keyboard.c, frame.c, xdisp.c,
        xterm.c: Call change_frame_size and do_pending_window_change with
        new parameter.

        * dispnew.c (do_pending_window_change): Add parameter `safe'.
        (change_frame_size): Ditto.
        (change_frame_size_1): Ditto.  Deley size changes if redisplaying
        and not called from a safe place.
        (window_change_signal): Call change_frame_size with new parameter.

        * dispextern.h: Change prototypes for do_pending_window_change
        and change_frame_size.

        * xfaces.c (face_at_buffer_position): Don't xassert that
        window's buffers equals current_buffer; this is not the 
        case during echo area display.

1999-08-21  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c, minibuf.c: Remove conditional compilation on
        NO_PROMPT_IN_BUFFER.

        * minibuf.c (Fminibuffer_prompt_end): New.
        (syms_of_minibuf): Defsubr it.  Remove
        minibuffer-prompt-in-buffer.
        (Fminibuffer_prompt_width): Return 0 if not in mini-buffer.
        Extend documentation.

        * xdisp.c (get_next_display_element): Display \r as ^M.

        * xterm.c (x_scroll_bar_create) [USE_TOOLKIT_SCROLL_BARS]: Clear
        under scroll bar widget.

1999-08-21  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (minibuffer_scroll_overlap): Removed because not used
        anywhere.
        (unwind_redisplay): Return nil.
        (clear_garbaged_frames): New.
        (redisplay_internal): Use it.
        (echo_area_display): Ditto.
        (resize_mini_window): Mew.
        (display_echo_area_1): Use it to resize echo area window.
        (redisplay_internal): Use it to resize active mini-window.

        * dispextern.h, lisp.h: Add function prototypes.

        * dispnew.c (set_window_cursor_after_update): Do the 
        cursor_in_echo_area case only for a mini-window showing
        a message.  Don't let cursor end up after the end of a row.

        * xdisp.c (echo_area_glyphs, echo_area_message,
        echo_area_glyphs_length, previous_echo_glyphs,
        previous_echo_area_message, previous_echo_area_glyphs_length):
        Removed.
        (Vmessage_stack, echo_area_buffer, echo_buffer,
        display_last_displayed_message_p, Vwith_echo_area_save_vector): New.
        (message2_nolog): Use set_message and clear_message.
        (message3): Rename parameter len to nbytes to make clear what
        it is.
        (message3_nolog): Ditto.  Use set_message and clear_message.
        (update_echo_area): Rewritten.
        (with_echo_area_buffer): New.
        (with_echo_area_buffer_unwind_data, unwind_with_area_buffer): New.
        (setup_echo_area_for_printing): New.
        (display_echo_area, display_echo_area_1): New.

        (current_message, current_message_1): New.
        (push_message, restore_message, pop_message, 
        check_message_stack): New.
        (truncate_echo_area): Rewritten.
        (truncate_message_1): New.
        (set_message, set_message_1, clear_message): New.
        (echo_area_display): Rewritten.
        (redisplay_internal): Check for needed echo area update
        differently.
        (redisplay_preserve_echo_area): Rewritten.
        (redisplay_window): Check for mini-window displaying echo area 
        message differently.
        (syms_of_xdisp): Initialize Vmessage_stack and echo area buffers.
        Remove initialzation of removed variables.
        (init_xdisp): Remove references to removed variables.

        * dispnew.c (adjust_frame_message_buffer): Removed references
        to echo_area_glyphs and previous_echo_glyphs.
        (direct_output_for_insert): Check for mini-window displaying
        echo area message differently.
        (update_frame): Likewise.
        (set_window_cursor_after_update): Likewise.  In echo area,
        don't try to set cursor on rows that aren't enabled.

        * print.c: Remove conditional compilation on `standalone'.
        (glyph_len, str_to_glyph_cpy, str_to_glyph_ncpy,
        glyph_to_str_cpy):  Remove that section because GLYPHs are no 
        longer used in that way.
        (PRINTDECLARE): Add multibyte.
        (PRINTPREPARE, PRINTFINISH): Handle printcharfun t differently.
        (printbufidx): Removed.
        (printchar, strout): Rewritten.

        * keyboard.c (ok_to_echo_at_next_pause): Make it a pointer to
        a struct kboard.
        (echo_kboard): New.
        (echo_now): Set echo_kboard to the current kboard.
        (cancel_echoing): Set echo_kboard to null.
        (cmd_error_internal): Use clear_message, remove references
        to echo_area_glyphs and echo_area_message.
        (command_loop_1): Check for echo area messages differently.
        (read_char): Likewise.
        (record_menu_key): Use clear_message.
        (Fexecute_extended_command):  Check for echo area messages
        differently.  Use push_message, restore_message, pop_message.

        * alloc.c (Fgarbage_collect): Use push_message, restore_message,
        pop_message.

        * emacs.c (shut_down_emacs): Call check_message_stack.

        * lisp.h: Add function prototypes and extern declarations for
        new functions and variables.

        * fileio.c (Fdo_auto_save): Use push_message, restore_message,
        pop_message.

        * minibuf.c (read_minibuf): Use clear_message instead of 
        setting echo_area_glyphs.
        (Fminibuffer_completion_help): Ditto.

        * editfns.c (Fcurrent_message): Rewritten.

        * frame.c, window.h: Remove references to echo_area_glyphs
        and previous_echo_glyphs.

1999-08-21  Dave Love  <fx@gnu.org>

        * aix3-2-5.h (C_DEBUG_SWITCH): Use -g -O.
        * aix4-1.h: Likewise.

        * irix6-5.h (C_DEBUG_SWITCH): Set for debug and optimize.

1999-08-20  Gerd Moellmann  <gerd@gnu.org>

        * xfns.c: Remove tiff34 prefix from include.

1999-08-20  Dave Love  <fx@gnu.org>

        * cm.c: Revert previous change.

1999-08-19  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (XTset_vertical_scroll_bar): Fix previous change.  Clear
        under scroll bar with width FRAME_SCROLL_BAR_COLS.

1999-08-18  Dave Love  <fx@gnu.org>

        * callproc.c, filelock.c, insdel.c, sysdep.c, xmenu.c: Use
        stdlib.h.

        * doprnt.c: Use stdlib.h, unistd.h.

        * config.in: Add HAVE_TERMCAP_H.

        * cm.c: Use termcap.h.

1999-08-18  Gerd Moellmann  <gerd@gnu.org>

        * xfns.c (x_window) [USE_X_TOOLKIT]: Remove test for
        FRAME_X_WINDOW (f) being null at the of the function.  If widgets
        cannot be created we will already have crashed earlier.  Call
        lw_set_main_areas with a null menu-bar widget, so that we have
        a reasonable default.
        (Fx_create_frame): Rearranged so that Lisp errors during frame
        initialization cause less damage.  Initialize menu bar widget
        here.

1999-08-18  Gerd Moellmann  <gerd@gnu.org>
        
        * dispnew.c (update_frame_line): Fix previous change.  If writing
        whole line clear to end of frame.

1999-08-17  Gerd Moellmann  <gerd@gnu.org>

        * window.c (Fcoordinates_in_window_p): Return `left-bitmap-area'
        and `right-bitmap-area' if position is in the bitmap areas.  This
        avoids an error when clicking on the bitmap areas.  Instead, they
        are currently treated like clicks inside the window.
        (coordinates_in_window): Return 5 and 6 for bitmap areas.
        (Qleft_bitmap_area, Qright_bitmap_area): New.
        (syms_of_window): Initialize new symbols.

        * dispnew.c (update_frame_line): If writing whole line,
        don't write trailing spaces unless we must.

        * xdisp.c (unwind_redisplay): New.  Resets flag redisplaying_p.
        (redisplay_internal): Register unwind_redisplay with
        register_unwind_protect.
        (try_window_reusing_current_matrix): If new start > old start,
        give up if start pos of first reusable row is not equal to new
        start.

        * eval.c (Fsignal): Don't reset redisplaying_p here.

        * xterm.c (expose_area): If row extends face to end of line,
        write the whole line.

1999-08-16  Gerd Moellmann  <gerd@gnu.org>

        * dispextern.h (struct it): Remove member
        show_trailing_whitespace_p.

        * dispnew.c (direct_output_for_insert): Use
        Vshow_trailing_whitespace instead of former iterator member
        show_trailing_whitespace_p.
        (direct_output_forward_char): Don't do it if hightlighting
        trailing whitespace.

        * xdisp.c (Qshow_trailing_whitespace): Removed.
        (Vshow_trailing_whitespace): Added.
        (init_iterator): Remove initialization code for
        show_trailing_whitespace_p.
        (redisplay_internal): Don't try cursor movement in this_line
        if showing trailing whitespace.
        (redisplay_window): Likewise for cursor movement in current
        matrix and try_window_id.
        (try_window_reusing_current_matrix): Likewise.
        (trailing_whitespace_p): Return 0 if trailing whitespace is
        in front of point.
        (display_line): Use Vshow_trailing_whitespace instead of
        former iterator member show_trailing_whitespace_p.
        (syms_of_xdisp): Add DEFVAR_LISP for show-trailing-whitespace.

1999-08-16  Gerd Moellmann  <gerd@gnu.org>

        * window.c (Fpos_visible_in_window_p): Rewritten.

        * xfaces.c (add_to_log): Renamed from display_message.
        Don't display messages in echo area.

        * xterm.c (x_draw_glyph_string_box): Use the background width
        of the glyph string for the width of the box.

1999-08-16  Stefan Monnier  <monnier@cs.yale.edu>

        * syntax.c (Fforward_comment): Set comstyle for Scomment_fence.

1999-08-16  Geoff Voelker  <voelker@cs.washington.edu>

        * xfns.c, w32fns.c (x_set_frame_parameters): Set foreground and
        background first, and then set other parameters that might
        depend upon their new values.

1999-08-15  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (Vfont_list_limit): New.
        (syms_of_xfaces): Make it a user-variable.
        (DEFAULT_FONT_LIST_LIMIT): New.
        (sorted_font_list): If Vfont_list_limit is an integer > 0, list
        maximally that number of fonts, otherwise use
        DEFAULT_FONT_LIST_LIMIT.
        (Fx_font_family_list): Bind `font-list-limit' to higher values 
        until we have all fonts.
        (Fxfont_list): Additionally return the full names of fonts and
        their registry and encoding.

        * xterm.c (XTset_vertical_scroll_bar) [USE_TOOLKIT_SCROLL_BARS]: 
        Simplify clearing "under" scroll bar.

        * window.c (Qfixed_window_size): New.
        (syms_of_window): Initialiaze it.
        (check_all_windows): Add return type void.
        (window_fixed_size_p): New.  Return non-zero if window
        is fixed-size.
        (window_min_size_1): New.
        (window_min_size): Handle fixed-size windows.
        (size_window): New. Rewritten combination of set_window_height and
        set_window_width that handles fixed-size windows.
        (set_window_height): Call it.
        (set_window_width): Call it.
        (Fsplit_window): Give an error on attempt to split a fixed-size
        window.
        (change_window_height): Partly rewritten to handle fixed-size
        windows.

1999-08-13  Wolfgang Rupprecht  <wolfgang@wsrcc.com>

        * process.c (Fopen_network_stream): Fix previous change.

1999-08-13  Karl Heuer  <kwzh@gnu.org>

        * xdisp.c (line_number_display_limit_width): New var.
        (decode_mode_spec): Use it instead of hardcoded value.
        (syms_of_xdisp): Defvar it.

1999-08-13  Richard M. Stallman  <rms@gnu.org>

        * eval.c (run_hook_list_with_args): Gcpro `globals'.
        (run_hook_with_args): Likewise.

        * window.h (struct window): New field too_small_ok.

        * window.c (set_window_height, set_window_width): 
        If window starts out "too small", set its too_small_ok flag.
        If window's too_small_ok flag is set, don't delete it
        unless it is so small it would cause a crash.

1999-08-13  Gerd Moellmann  <gerd@gnu.org>

        * window.c (MINSIZE): Removed.
        (window_min_size): New.
        (set_window_height): Use window_min_size.
        (change_window_height): Ditto.

1999-08-12  Gerd Moellmann  <gerd@gnu.org>

        * indent.c (vmotion): Don't add in mini-buffer prompt width
        if prompts are inserted into mini-buffer.

1999-08-12  Wolfgang Rupprecht  <wolfgang@wsrcc.com>

        * config.in: Add HAVE_GETADDRINFO.
        * process.c (Fopen_network_stream): Use getaddrinfo.

1999-08-11  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (get_overlay_arrow_glyph_row): Set the charpos of
        glyphs to -1.

        * xdisp.c (face_before_or_after_it_pos): If position after
        or before iterator's current position in the buffer is out
        of bounds, return the iterator's original face id.

        * dispnew.c (mirror_make_current): If desired row isn't enabled,
        just swap glyphs pointers between current and desired row.
        (build_frame_matrix_from_leaf_window) [GLYPH_DEBUG]: Copy
        desired matrix method string to current matrix.

1999-08-11  Kenichi Handa  <handa@etl.go.jp>

        * lisp.h (CHAR_MODIFIER_MASK): New macro.

        * lread.c (read_escape): For Control modifier, pay attention to
        multibyte character.
        (read1): Likewise.  Singal error or a multibyte character which
        has a modifer bit.  Check validity of Shift modifer.

        * charset.c (non_ascii_char_to_string): Handle modifier bits as
        the same as Lisp reader.

1999-08-10  Richard M. Stallman  <rms@gnu.org>

        * charset.h (BCOPY_SHORT): Fix typo `unsigined'.

1999-08-10  Alexandre Oliva  <oliva@dcc.unicamp.br>

        * unexelf.c [__linux__ && __alpha__] (HAS_SBSS_SECTION): Define.

1999-08-10  Eli Zaretskii  <eliz@gnu.org>

        * msdos.c (IT_set_face): Abort if the default face is not realized
        and cached.
        (IT_write_glyphs): Reset the screen face to the default face
        before writing glyphs.

        * xfaces.c (realize_default_face) [MSDOS]: Don't take default
        colors from the frame here.
        (realize_tty_face) [MSDOS]: Do it here.  Update the face
        attributes with the actual name of the color taken from the
        frame.

        * dosfns.c (msdos_stdcolor_name): Remove const from return value.
        * dosfns.h (msdos_stdcolor_name): Ditto for the prototype.

        * frame.c (Fframe_parameters): Swap foreground and background
        colors returned in frame parameters if the frame has reverse in
        its parameter alist.
        (Fmake_terminal_frame): Make a unique copy of face_alist for
        each frame.

1999-08-07  Richard Stallman  <rms@gnu.org>

        * buffer.c (Fprevious_overlay_change): Just return
        the answer obtained from overlays_at.

        * xfns.c (xpm_load) [!XpmAllocCloseColors]:
        Use XpmCloseness and attrs.closeness instead.

1999-08-06  Richard Stallman  <rms@gnu.org>

        * lread.c (Feval_buffer): New arg DO_ALLOW_PRINT.

1999-08-06  Geoff Voelker  <voelker@cs.washington.edu>

        * dired.c (directory_files_internal, Fdirectory_files_and_attributes, 
        Ffile_attributes_lessp): New functions.
        (Fdirectory_files): Use directory_files_internal.
        (syms_of_dired): Initialize Fdirectory_files_and_attributes,
        Ffile_attributes_lessp.

        * w32.c (stat): Check for directory ending in separator when
        doing readdir fast path.

        * w32fns.c (x_set_icon_type): Support setting frame icons.
        * w32term.c (x_bitmap_icon): New function.
        (x_make_frame_visible, x_iconify_frame): Invoke x_bitmap_icon.
        
1999-08-06  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (set_iterator_to_next): After delivering a character
        from a display vector, restore face and charset to what they were
        before the display vector was processed.

1999-08-06  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (reseat_at_next_visible_line_start): New parameter
        on_newline_p.
        (set_iterator_to_next):  After delivering last char
        from display vector, reseat on next visible line start if 
        dpvec_char_len < 0.
        (next_element_from_buffer): Set dpvec_char_len to -1 for
        selective display.

1999-08-06  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (compute_line_metrics): If first line's physical ascent
         is larger than its logical ascent, use the physical ascent, and
         make the row taller.  Set row's overlapping_p flag.

        * dispnew.c (redraw_overlapping_rows): Use flag overlapping_p.
        (direct_output_for_insert): Ditto.

        * dispextern.h (struct glyph_row): Add overlapping_p.

        * xterm.c (x_draw_phys_cursor_glyph): Redraw overlaps.

        * dispextern.h (MATRIX_ROW_OVERLAPS_PRED_P): New.
        (MATRIX_ROW_OVERLAPS_SUCC_P): New.

        * dispnew.c (direct_output_for_insert): Don't use this method if
        row is overlapped by others.
        (update_text_area): Write full line if current line is overlapped.
        (redraw_overlapped_rows): New.
        (update_window): Call it.
        (redraw_overlapping_rows): New.
        (update_window): Call it.
        (scrolling_window): Make sure overlapped_p flag in current rows is
        unchanged.
        (row_equal_p): Take rows overlapped_p flag into account.

        * dispextern.h (struct glyph_row): Add flag overlapped_p.

        * xterm.c (x_fix_overlapping_area): New.
        (x_redisplay_interface): Add x_fix_overlapping_area.

        * dispnew.c (adjust_glyphs): Block input while adjusting matrices.

1999-08-06  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (x_draw_glyphs): Add parameter overlaps_p.
        (struct glyph_string): Add member for_overlaps_p.
        (x_get_glyph_string_clip_rect): If glyph string draws foreground
        of overlapping rows, clip to window bottom.
        (x_fill_glyph_string): Add parameter overlaps_p.
        (x_fill_composite_glyph_string): Ditto.
        (BUILD_GLYPH_STRINGS): Ditto.
        (BUILD_CHAR_GLYPH_STRINGS): Ditto.
        (x_draw_glyph_string): Don't draw anything but the foreground
        if glyph string draws row overlaps.

        * dispnew.c (direct_output_for_insert): Don't use this
        optimization for rows that overlap others.
        (update_window_line): Return non-zero if display has changed.
        (update_text_area): Ditto.
        (update_window): Record if display has been changed.

        * dispextern.h (MATRIX_ROW_OVERLAPPING_P): New.

        * dispextern.h (struct redisplay_interface): Add
        fix_overlapping_area.

        * xterm.c (x_append_glyph): Set glyph flag overlaps_vertically_p.

        * dispextern.h (struct glyph): Add overlaps_vertically_p.

        * xterm.c (x_produce_image_glyph): Compute iterator's physical
        ascent and descent.
        (x_produce_stretch_glyph): Ditto.
        (x_produce_glyphs): Ditto.

        * xdisp.c (init_iterator): Reset physical line height info
        after producing special glyphs.
        (display_toolbar_line): Set physical line height info.
        (compute_line_metrics): Ditto.
        (display_line): Ditto.
        (display_string): Ditto.

        * term.c (produce_glyphs): Set iterator's physical height
        information.

        * dispnew.c (blank_row): Compute glyph row's physical height.
        (row_equal_p): Take physical row heights into account.
        (direct_output_for_insert): Ditto.
        (update_text_area): Ditto.

        * dispextern.h (struct glyph_row): Add phys_ascent and
        phys_height.
        (struct it): Add phys_ascent, phys_descent, max_phys_ascent,
        max_phys_descent.

1999-08-04  Stefan Monnier  <monnier@cs.yale.edu>

        * buffer.c (switch_to_buffer_1): New subroutine, taken out from
        Fswitch_to_buffer.
        (no_switch_buffer): New function.
        (Fswitch_to_buffer): Call them.  Don't get confused
        by "same-window" buffers in a dedicated frame.

        * window.c (display-buffer): Don't get confused
        by "same-window" buffers in a dedicated frame.

1999-08-04  Andreas Schwab  <schwab@gnu.org>

        * insdel.c (insert_from_string_1): Check gap size against number
        of outgoing bytes, not incoming bytes.

1999-08-03  Tom Breton  <tob@world.std.com>

        * lread.c (read1): Added circular reading code to #N=.
        (SUBSTITUTE): New macro.
        (seen_list): New variable.
        (substitute_object_in_subtree): New function.
        (substitute_object_recurse): New function.
        (substitute_in_interval): New function.

1999-08-02  Eli Zaretskii  <eliz@gnu.org>

        * Makefile.in (frame.o, sysdep.o, xfaces.o): Depend on dosfns.h.

        * frame.c (make_terminal_frame): Don't call init_frame_faces if
        noninteractive, for termcap frames as well.

        * sysdep.c (init_sys_modes): Call init_frame_faces for termcap
        frames.

1999-08-01  Richard Stallman  <rms@gnu.org>

        * fns.c (internal_equal): Correct overlay comparison.

1999-07-31  Richard M. Stallman  <rms@caffeine.ai.mit.edu>

        * xfns.c (x_set_internal_border_width): 
        Call do_pending_window_change.  Don't block input, don't call XFlush.
        (x_set_vertical_scroll_bars): Call do_pending_window_change.
        (x_set_scroll_bar_width, x_set_font): Likewise.

        * frame.c (Fset_frame_height): Call do_pending_window_change.
        (Fset_frame_width, Fset_frame_size): Likewise.

        * xterm.c (x_set_window_size): When calling change_frame_size,
        specify 1 for DELAY.

        * widget.c (EmacsFrameSetCharSize): Don't call
        do_pending_window_change here.

1999-07-30  Dave Love  <fx@gnu.org>

        * config.in: Add HAVE_STDLIB_H.

1999-07-30  Richard M. Stallman  <rms@gnu.org>

        * process.c (create_process): Detect failure of `pipe'.

1999-07-30  Keisuke Nishida  <kei@psn.net>

        * alloc.c (allocate_vectorlike): Add missing increment.

        * data.c (Fdefalias): Call Ffset instead of duplicating code.

        * keymap.c (get_keymap_1, get_keyelt): Check the type of OBJECT
        before calling indirect_function.

1999-07-30  Eli Zaretskii  <eliz@gnu.org>

        * dispextern.h (load_color, lookup_derived_face): Declare
        prototypes.

        * dispnew.c (init_display) [MSDOS]: Don't initialize frame faces,
        it will be done later.

        * frame.c (make_terminal_frame) [MSDOS]: Don't call
        init_frame_faces if non-interactive.
        (Fframe_parameters) [MSDOS]: Replace indexing into colornames[]
        array with a call to msdos_stdcolor_name.  The font name is now
        "ms-dos", consistent with realize_tty_face.

        * keyboard.c (cmd_error_internal): Don't kill Emacs if this is an
        MSDOS frame.

        * window.c (Fset_window_configuration) [MSDOS]: Don't call
        x_set_toolbar_lines.

        * xfaces.c (load_color): Remove static from definition and remove
        prototype.
        [MSDOS]: Add a DOS-specific version of load_color.
        (lookup_face): Replace FRAME_TERMCAP_P with !FRAME_WINDOW_P.
        (lookup_derived_face): New function.
        (realize_default_face): Support MSDOS frames.
        [MSDOS]: If fore/background colors are unspecified, inherit them
        from the frame.
        (realize_face): Support MSDOS frames.
        (realize_tty_face): Support MSDOS frames.
        [MSDOS]: If the face color is not in Vface_tty_color_alist, call
        load_color to try to find a suitable approximation.  If the face
        is inverse-video, swap the foreground and background colors.

        * dosfns.c (msdos_stdcolor_name, msdos_stdcolor_idx): New
        functions.

        * dosfns.h (msdos_stdcolor_name, msdos_stdcolor_idx): Declare.

        * msdos.h: Remove redundant declarations (most of them are now in
        dispextern.h).

        * msdos.c (IT_set_face): Rewritten for the new redisplay engine.
        Use default frame colors if the face doesn't specify them; invert
        the colors if highlight is ON.
        (IT_write_glyphs): Rewritten for the new redisplay engine.
        (IT_change_line_highlight): Add (unused) parameter Y, since that's
        how the hook is called by term.c.
        (IT_copy_glyphs): New function, copies an area of the display in
        video RAM.
        (IT_insert_glyphs): Rewritten to DTRT instead of aborting, since
        redisplay now calls it even if char_ins_del_ok is zero.
        (IT_set_frame_parameters): Prototype changed.  Calls the new
        load_color.  Puts the new fore/background colors into the default
        face on current frame.
        (IT_menu_display): Rewritten to handle the new struct glyph
        instead of a char array.
        (XMenuActivate): Call lookup_derived_face to create and use
        special faces for the pop-up and drop-down menus.

1999-07-29  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (x_set_toolkit_scroll_bar_thumb): Don't call
        XawScrollbarSetThumb if thumb parameters haven't changed because
        that function apparently isn't optimized for this case.

1999-07-29  Eli Zaretskii  <eliz@gnu.org>

        * msdos.c (getdefdir): Don't return failure indication when
        _fixpath sets errno to ENOSYS.

1999-07-28  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (string_char_and_length): New.  Use it everywhere
        instead of STRING_CHAR_AND_LENGTH in xdisp.c.

1999-07-28  Kenichi Handa  <handa@etl.go.jp>

        * fns.c (count_combining): New function.
        (struct textprop_rec): New structure.
        (concat): Copy text properties correctly when byte combining
        occurs.

1999-07-28  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (x_setup_relief_color): Don't try smart color allocation
        if display is mono.
        (x_draw_row_bitmaps): If face has stipple, don't switch
        to foreground color for clearing areas, and set the fill style.

        * xfaces.c (load_face_colors): Load background color if setting
        stipple, too.
        (prepare_face_for_display): Use FillOpaqueStippled instead of 
        FillStippled.

1999-07-26  Ken'ichi Handa  <handa@gnu.org>

        * xterm.c (x_find_ccl_program): Add casting.

        * w32fns.c (w32_find_ccl_program): Add casting.

1999-07-27  Gerd Moellmann  <gerd@gnu.org>

        * dispextern.h (struct glyph_row): Flag internal_border_p removed.

        * xfns.c (x_create_tip_frame): Don't set bitmapIcon resource
        because this will try to access a nonexisting widget.

1999-07-26  Markus Rost  <rost@gnu.org>

        * fns.c (Fgethash): Fix order of variables (patch by gerd). 
        (Fputhash): Ditto.
        (Fremhash): Ditto.

1999-07-26  Gerd Moellmann <gerd@gnu.org>
        
        * widget.c (EmacsFrameSetCharSize): Don't add XtNborderWidth
        value to frame width and height.

        * xterm.c (x_get_glyph_string_clip_rect): Take internal border
        into account for full-width windows.  Don't add scroll bar width
        to width of clip rect.
        (x_draw_glyph_string_box): Add 1 to right x of full width lines.
        (x_set_glyph_string_background_width): Add 1 to background width.
        (x_draw_glyphs): Take internal border into account for full-width
        lines.

1999-07-26  Richard M. Stallman  <rms@gnu.org>

        * xfns.c (x_set_mouse_color): Always unload the old color.
        Don't allow nil as color value.
        (x_set_cursor_color, x_set_background_color, x_set_foreground_color): 
        Always unload the old color.

        * indent.c (Fmove_to_column): Extend end of line only if FORCE is t.

1999-07-26  Karl Heuer  <kwzh@gnu.org>

        * fns.c (Fy_or_n_p): Doc fix.

1999-07-26  Kenichi Handa  <handa@etl.go.jp>

        * ccl.h (setup_ccl_program): The type is changed to `int'.

        * ccl.c (ccl_driver) <CCL_Call>: Now CCL program ID to call may be
        stored in the following CCL code.  Adjusted for the change of
        Vccl_program_table.
        (resolve_symbol_ccl_program): Adjusted for the new style of
        embedded symbols (SYMBOL . PROP) in CCL compiled code.   Return Qt
        is resolving failed.
        (ccl_get_compiled_code): New function.
        (setup_ccl_program): Function type changed from `void' to `int'.
        Resolve symbols in CCL_PROG.
        (Fccl_program_p): New function.
        (Fccl_execute): Get compiled CCL code by just calling
        setup_ccl_program.
        (Fccl_execute_on_string): Likewise.
        (Fregister_ccl_program): Adjusted for the change of
        Vccl_program_table.

        * coding.c (setup_coding_system): Get compiled CCL code by just
        calling setup_ccl_program.

        * xterm.c (x_find_ccl_program): Get compiled CCL code by just
        calling setup_ccl_program.

        * w32fns.c (w32_find_ccl_program): Get compiled CCL code by just
        calling setup_ccl_program.

1999-07-23  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (frame_update_line_height): Just use the height of the
        frame's fontset or font, instead of taking face fonts into
        account.

        * xdisp.c (get_next_display_element): Display DEL as `^?'.

1999-07-23  Richard M. Stallman  <rms@gnu.org>

        * window.c (Fsplit_window): For default size, round up for left window.

1999-07-21  Joe Ramey  <ramey@ti.com>

        * filelock.c (lock_if_free): Return -1 if check_lock_owner
        has returned -1 (lockfile exists but is not a symlink?).

1999-07-20  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (x_draw_bar_cursor): Use scratch_cursor_gc to
        because of a change in cursor_gc made in 20.4.

1999-07-19  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (x_calc_absolute_position): Subtract menu bar height
        for YNegative, if using X toolkit.

        * xfns.c (x_real_positions): Don't subtract window borders 
        from positions returned.

1999-07-17  Gerd Moellmann  <gerd@gnu.org>

        * xrdb.c (x_load_resources): Set double-click time defaults
        for Motif list boxes from double-click-time.

        * fns.c (Vhash_table_tests): Remvoed.
        (Qhash_table_test): New.
        (syms_of_fns): Initialize Qhash_table_test.
        (Fmake_hash_table): Look up user-defined tests in symbol prop
        `hash-table-test'.
        (Fdefine_hash_table_test): Store test and hash function as
        symbol prop `hash-table-test'.
        (make_hash_table): Add parameters user_test and user_hash.

        * window.c (set_window_buffer): Set window margins for tty
        frames, too.
        (Fset_window_margins): Ditto.

        * term.c (append_glyph): Use glyph area of iterator instead of
        always TEXT_AREA.

        * dispnew.c (update_frame_1): Add left margin width to cursor
        hpos.
        (direct_output_for_insert): Ditto.
        (direct_output_forward_char): Ditto.

        * dispnew.c (adjust_glyph_matrix): Set glyph matrix' top_line_p.

        * dispextern.h (struct glyph_matrix): Add top_line_p.

1999-07-16  Gerd Moellmann  <gerd@gnu.org>

        * frame.h (FRAME_WINDOW_REDISPLAY_P): Removed.  Use FRAME_WINDOW_P
        instead.

        * fns.c (cmpfn_eq): Add hash code parameters.
        (cmpfn_eql): Ditto.
        (cmpfn_equal): Ditto, and compare hash codes before calling Fequal.
        (cmpfn_user_defined): Likewise.

1999-07-15  Gerd Moellmann  <gerd@gnu.org>

        * lisp.h (DEFAULT_REHASH_THRESHOLD): Changed to 0.8.

        * fns.c (maybe_resize_hash_table): Correct computation of
        index vector size.
        (make_hash_table): Ditto.
        (Fmakehash): New.

        * xdisp.c (echo_area_display): Don't call redraw_garbaged_frames.

        * alloc.c (gc_sweep): Call sweep_weak_hash_tables.
        (survives_gc_p): Make it externally visible.
        (mark_object): Ditto.

        * fns.c (remove_hash_entry): Removed.
        (sweep_weak_hash_tables): New.

        * print.c (print): Print more information about hash tables.

        * xfns.c (image_spec_hash): Removed.
        (lookup_image): Use sxhash instead of image_spec_hash.
        (image_spec_equal_p): Removed.
        (lookup_image): Use Fequal instead of image_spec_equal_p.

1999-07-14  Gerd Moellmann  <gerd@gnu.org>

        * lisp.h (P_): Moved to top of file.

        * fns.c (make_hash_table): Set new members.

        * alloc.c (mark_object): Mark hash table's user_hash_function.
        Mark index vector for weak hash tables.

        * lisp.h (struct Lisp_Hash_Table): Add user_cmp_function,
        user_hash_function, cmpfn, and hashfn.

        * fns.c (build_hash): Removed.
        (hash_test): Removed.
        (cmpfn_eq, cmpfn_eql, cmpfn_equal, cmpfn_user_defined): New.
        (hashfn_eq, hashfn_eql, hashfn_equal, hashfn_user_defined): New.

1999-07-13  Gerd Moellmann  <gerd@gnu.org>

        * alloc.c (survives_gc_p): New.

        * print.c (print): Add hash table handling.

        * alloc.c (mark_object): Add code to mark hash tables.

        * lisp.h (GC_HASH_TABLE_P): New.

        * emacs.c (main): Call init_fns.

        * fns.c (init_fns): New.

        * fns.c: Add hash table implementation.

        * lisp.h (PVEC_HASH_TABLE): New.
        (struct Lisp_Hash_Table): New.
        (XHASH_TABLE): New.
        (XSET_HASH_TABLE): New.
        (HASH_TABLE_P): New.
        (CHECK_HASH_TABLE): New.
        (DEFAULT_HASH_SIZE): New.
        (DEFAULT_REHASH_THRESHOLD): New.
        (DEFAULT_REHASH_SIZE): New.

        * xterm.c (x_draw_glyphs): Add parameters real_start and real_end.
        (x_write_glyphs): Compute overwritten cursor using real start
        and end positions of display.
        (x_insert_glyphs): Ditto.

1999-07-10  Gerd Moellmann  <gerd@gnu.org>

        * keyboard.c (read_char): Use message3_nolog to show help-echo.

        * dispnew.c (blank_row): Add y-position as parameter.  Compute
        visible height.

        * xdisp.c (next_element_from_string): Give padding spaces
        a position of -1.

        * dispnew.c (adjust_glyph_matrix): Some work to support 
        marginals areas on tty frames in a future version.
        (allocate_matrices_for_frame_redisplay): Ditto.

        * xdisp.c (display_line): At ZV, set glyph row's displays_text_p
        to zero if number of glyphs in the row is <= 1.

1999-07-09  Gerd Moellmann  <gerd@gnu.org>

        * dispnew.c (buffer_posn_from_coords): Take left marginal area
        into account.

        * xdisp.c (handle_display_prop): Don't reset area if handing
        a property from a string that came from a `display' property.
        (handle_single_display_prop): Don't handle recursive `display'
        properties.
        (handle_single_display_prop): Handle some display property
        forms for terminal frames.
        (Qimage): Moved here from xfns.c.

        * dispextern.h (struct it): New field string_from_display_prop_p.

        * xterm.c (x_clip_to_row): Don't let clip_rect include top
        line.

1999-07-08  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (handle_single_display_prop): Handle `:when FORM'.

        * window.c (set_window_buffer): Set window's vscroll to zero.

        * xdisp.c (QCwhen): New.
        (display_prop_end): New.
        (handle_single_display_prop): Use it.
        (debug_method_add): Print buffer name if tracing.
        (try_window_reusing_current_matrix): Compute visible height
        of reused rows.  Fix cursor position calculation in case of
        top-line.

        * dispextern.h (struct redisplay_interface): Add parameter
        cursor_on_p to update_window_end_hook.

        * xterm.c (x_update_window_end): Add parameter cursor_on_p.

1999-07-07  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (redisplay_internal): Ensure that redisplayinp_p 
        doesn't become negative when decrementing it.

        * eval.c (Fsignal): Reset redisplaying_p to zero.

        * xdisp.c (try_window_reusing_current_matrix): Call hooks
        for window update.
        (try_window_id): Ditto.

        * xterm.c (x_clear_end_of_line): Handle top-line correctly.
        (x_scroll_run): Ditto.
        (any_help_event_p): New.
        (x_initialize): Set it to zero.
        (XTread_socket): Clear help echo only if any_help_event_p.

        * xdisp.c (init_iterator): Set top_line_p.
        (start_display): Use correct initial y if top-line is present.
        (make_cursor_line_fully_visible): Bug fixes for top-line.
        (try_scrolling): Ditto.
        (try_window_reusing_current_matrix): Ditto.

        * dispextern.h (struct it): Add top_line_p.

        * dispnew.c (shift_glyph_matrix): Move some computations out
        of the loop.

        * dispnew.c (margin_glyphs_to_reserve): Use NUMBERP and 
        XFLOATINT.

1999-07-06  Gerd Moellmann  <gerd@gnu.org>

        * dispnew.c (update_frame_1): When setting cursor in echo area,
        skip only over padding spaces at the end.

        * xfaces.c (realize_tty_face): Set face's font_name field to
        "tty".

        * term.c (update_end): Turn cursor on only if selected window's
        cursor_off_p flag is not set.

1999-07-05  Gerd Moellmann  <gerd@gnu.org>

        * term.c (TS_cursor_visible): Renamed from TS_visual_mode.
        (TS_cursor_normal): Renamed from TS_end_visual_mode.
        (TS_cursor_invisible):  New.
        (term_init): Initialize TS_cursor_invisible.
        (tty_hide_cursor): New.
        (tty_show_cursor): New.
        (update_end): Show tty cursor.
        (update_begin): Hide tty cursor to prevent cursor flickering
        during redisplays triggered by timers (stealth fontification).

        * keyboard.c (make_lispy_event) <TOOLBAR_EVENT>: Apply modifiers.

        * xterm.c (XTread_socket) [USE_MOTIF] <KeyPress>: Catch events
        in scroll bars.
        (x_handle_toolbar_click): Set modifier bits.

1999-07-04  Gerd Moellmann  <gerd@gnu.org>

        * keyboard.c (kbd_store_ptr): Declare it as a volatile pointer
        instead of a pointer to a volatile input_event.
        (kbd_buffer_store_event): Remove volatile modifier from 
        declaration of local variable `sp'.
        (Fdiscard_input): Don't cast when assigning kbd_store_ptr
        to kbd_fetch_ptr.

1999-07-03  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (try_window_id): Set beg_unchanged and end_unchanged
        only if buffer is modified.  Return quickly if changes are
        above window start.

1999-07-02  Gerd Moellmann  <gerd@gnu.org>

        * dispextern.h (HSCROLL_WINDOWS): Removed.

        * xdisp.c (mark_window_display_accurate): Don't set
        w->region_showing.
        (redisplay_internal): Don't call redraw_garbaged_frames.

1999-07-01  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (echo_area_display): Don't display truncation marks
        for messages because 20.4 doesn't do it either.
        (redisplay_window): Case same window start.  Instead of giving
        up when cursor is partially visible, make it fully visible.
        (mark_window_display_accurate): Some cleanup.  Record window's
        last cursor information.
        (debug_method_add): Improved.
        (redisplay_internal): Record last cursor info only if not
        consider_all_windows_p.

        * dispnew.c (update_window): Update top line after scrolling.
        (blank_row): Renamed from make_empty_enabled_row.
        (increment_glyph_row_buffer_positions): Increment positions
        in buffers, only.

        * window.c (Fcoordinates_in_window_p): Add top-line to doc
        string.

1999-06-30  Gerd Moellmann  <gerd@gnu.org>

        * dispnew.c (update_window): Check that updated row is visible.

        * xterm.c (x_draw_row_bitmaps): Check for invisible rows at
        top of window differently.

        * xdisp.c (try_window_reusing_current_matrix): Don't do it
        if region is showing.

        * dispnew.c (adjust_glyph_matrix): Check w->vscroll when
        avoiding matrix reallocation.  Set window_vscroll in matrix.

        * dispextern.h (struct glyph_matrix): Add member window_vscroll.

        * lwlib-Xm.c: Add function prototypes.

        * xdisp.c (debug_method_add): New.
        (debug_redisplay_method): Removed.
        (try_window_reusing_current_matrix): Handle case where old
        window start is the same as new window start.

        * dispextern.h (struct glyph_matrix) [GLYPH_DEBUG]: Make `method'
        an array instead of a pointer.

        * lwlib-Xm.c (xm_update_label): Use val->name to look up
        a label string from resources.
        (xm_update_label): Add some comments.

        * xfns.c (Fx_show_tip): Undo previous change.

        * xterm.c (x_append_glyph): Clear glyph->u.val.

        * dispextern.h (struct glyph): Increase size of face_id bit-field
        for CHAR_GLYPH to 12.

1999-06-29  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (x_charset_registry): Make it externally visible.

1999-06-28  Gerd Moellmann  <gerd@gnu.org>

        * dispnew.c (update_window): Use mode_line_p flag of rows 
        instead of WINDOW_WANTS_MODELINE_P.

        * xterm.c (clear_mouse_face): Make externally visible.

        * xfns.c (Fx_show_tip): Clear mouse face before showing tip.

        * xterm.c (expose_line): Handle exposure of top-lines.

        * xterm.c (XTframe_up_to_date): Don't call note_mouse_highlight
        if mouse_face_mouse_frame is null.

        * xdisp.c (redisplay_window): If window is echo_area_window,
        and update_mode_line is set, update menubar and toolbar.

        * dispnew.c (space_glyph): Set its charpos to -1.
        (update_frame_1): Ignore trailing padding spaces.

        * xdisp.c (next_element_from_c_string): Set position of padding
        glyphs to -1.

1999-06-27  Gerd Moellmann  <gerd@gnu.org>

        * xfns.c (x_laplace_read_row): Use XQueryColors instead of
        XQueryColor.

        * xdisp.c (display_menu_bar): Remove unwarranted assertion.
        (set_cursor_from_row): Skip over glyphs having a null object at
        the start of rows.
        (insert_left_trunc_glyphs): Use charpos < 0 to indicate truncation
        glyphs.
        (handle_invisible_prop): Compute next change only when needed.
        (handle_face_prop): Don't correct DEFAULT_FACE_ID if in the mode
        line.

1999-06-26  Gerd Moellmann  <gerd@gnu.org>

        * xrdb.c (x_load_resources): Don't set resource for double-click
        time.

        * xdisp.c (try_window_id): Return quickly if all changes are
        below the window's current matrix end.

        * dispextern.h (MATRIX_ROW_PARTIALLY_VISIBLE_P): Remove window
        parameter.

        * xdisp.c (try_window_reusing_current_matrix): Set no_scrolling_p
        in desired not in current matrix.
        (try_window_reusing_current_matrix): Rotate matrices starting
        at start_vpos instead of 0.

        * xterm.c (expose_window): Use window_text_bottom_y.
        (fast_find_position): Ditto.

        * xdisp.c (redisplay_window): Use window_text_bottom_y.
        (try_window_reusing_current_matrix): Ditto.
        (get_last_unchanged_at_beg_row): Ditto.
        (init_iterator): Ditto.

        * dispnew.c (allocate_matrices_for_window_redisplay): Allocate one
        more row.
        (check_matrix_invariants): Use window_text_bottom_y.
        (update_window): Ditto.
        (scrolling_window): Ditto.

        * xdisp.c (window_text_bottom_y): New.

1999-06-25  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (XTread_socket): Set mouse_face_frame to zero after
        clearing mouse face.
        (XTread_socket) <EnterNotify> [LESSTIF_VERSION]: If
        event.xcrossing.focus is not set, and focus is in the menu bar,
        set focus frame as if event.xcrossing.focus were set.

1999-06-24  Gerd Moellmann  <gerd@gnu.org>

        * keyboard.c (make_lispy_event): Handle mouse on top lines.
        * keyboard.c (make_lispy_movement): Ditto.

        * window.c (coordinates_in_window): Return 4 if on top line.
        (Fcoordinates_in_window_p): Return `top-line' if on top line.

        * xdisp.c (window_box_height): Subtract top line height.
        (window_box): Add top line height to top y position if top line
        exists.
        (init_iterator): If base_face_id is TOP_LINE_FACE_ID, set row to
        the top line row of the window.  Set initial y-position to
        window's top line height plus delta.
        (start_display): Choose start glyph row depending on whether
        window has a top line.
        (try_scrolling): Take top line height into account for aggressive
        scrolling.
        (compute_window_start_on_continuation_line): Take top line into
        account.
        (redisplay_window): Ditto.  If top line height has changed, 
        trigger a new redisplay.
        (try_window_reusing_current_matrix): Take top line into account.
        (find_last_row_displaying_text): Ditto.
        (get_last_unchanged_at_beg_row): DItto.
        (try_window_id): Ditto.
        (compute_line_metrics): Ditto.

        * dispnew.c (shift_glyph_matrix): Compute visible row height
        taking top line of window into account.
        (update_window): Update top line.  If scrolling_window detects
        that all rows are equal, only set cursor.
        (update_window_line): Call after_update_window_line_hook if
        mode_line_p flag of rows has changed.
        (scrolling_window): Add parameter top_line_p.  Return -1 if
        all rows are equal.
        (mode_line_string): Add parameter mode_line_p.  Handle strings
        in top lines.

        * dispextern.h (MATRIX_TOP_LINE_ROW): New.
        (MATRIX_FIRST_TEXT_ROW): New.
        (MATRIX_ROW_PARTIALLY_VISIBLE_P): Use row's visible_height.
        (MATRIX_ROW_PARTIALLY_VISIBLE_AT_TOP_P): New.
        (MATRIX_ROW_PARTIALLY_VISIBLE_AT_BOTTOM_P): New.
        (MATRIX_TOP_LINE_HEIGHT): New.
        (CURRENT_MODE_LINE_HEIGHT): Use estimate_mode_line_height.
        (CURRENT_TOP_LINE_HEIGHT): New.
        (DESIRED_TOP_LINE_HEIGHT): New.
        (WINDOW_DISPLAY_TOP_LINE_HEIGHT): New.
        (WINDOW_DISPLAY_HEIGHT_NO_MODE_LINE): Replaces
        WINDOW_DISPLAY_TEXT_AREA_PIXEL_HEIGHT.
        (WINDOW_DISPLAY_TEXT_HEIGHT): New.

        * xterm.c (x_after_update_window_line): Don't draw bitmaps for top
        lines.
        (x_draw_row_bitmaps): Take top line into account when clearing
        bitmap area.
        (x_estimate_mode_line_height): Replacement for
        x_frame_mode_line_height.
        (x_get_glyph_string_clip_rect): Take top line into account.
        (x_clear_end_of_line): Ditto.
        (note_mode_line_highlight): Add parameter mode_line_p.  Handle
        top lines.
        (note_mouse_highlight): Call note_mode_line_highlight for top lines.
        (x_erase_phys_cursor): Take top line into account.

        * xdisp.c (window_box_height): Subtract top line height if
        window wants a top line.
        (display_mode_lines): New.
        (redisplay_window): Call it.
        (display_mode_line): Add parameters face_id and format.

        * dispextern.h (CURRENT_TOP_LINE_HEIGHT): New.
        (MATRIX_TOP_LINE_HEIGHT): New.

        * xterm.c (x_frame_mode_line_height): Add parameter face_id.

        * term.c (estimate_mode_line_height): Renamed from
        frame_mode_line_height.  Add parameter face_id.
        (estimate_mode_line_height_hook): Renamed from
        frame_mode_line_height_hook.
        (produce_special_glyphs_hook): Removed.
        (produce_glyphs_hook): Removed.

1999-06-23  Gerd Moellmann  <gerd@gnu.org>

        * dispextern.h (WINDOW_WANTS_TOP_LINE_P): New.
        (struct glyph_row): Add mode_line_p.

        * xfaces.c (realize_basic_faces): Realize face `top-line'.
        (Qtop_line): New.
        (syms_of_xfaces): Initialize Qtop_line.

        * dispextern.h (TOP_LINE_FACE_ID): New.

        * buffer.c (init_buffer_once): Set default for
        top_line_format to nil.
        (init_buffer_once): Init top_line_format.
        (default-top-line-format): New.
        (top-line-format): New buffer-local variable.

        * buffer.h: Add top_line_format.

        * xdisp.c (overlay_arrow_changed_p): Removed because not used.

1999-06-17  Dave Love  <fx@gnu.org>

        * xfns.c: Move the PNG section before the JPEG one to avoid
        problems surrounding setjmp.h/png.h on GNU/Linux.
        
1999-06-17  Gerd Moellmann  <gerd@gnu.org>

        * xfns.c (x_kill_gs_process): Don't free colors.

1999-06-17  Dave Love  <fx@gnu.org>

        * s/gnu-linux.h: Zap spurious ~.

1999-06-16  Gerd Moellmann  <gerd@gnu.org>

        * xfns.c (gif_load): Improve multi-image support.

1999-06-15  Gerd Moellmann  <gerd@gnu.org>

        * xfns.c (gif_load): Support multi-image files.

        * Makefile.in (LIBGIF): Use libungif.

        * configure.in (HAVE_GIF): Use libungif instead of libgif
        because the former doesn't contain patented compression code.

        * xdisp.c (compute_window_start_on_continuation_line): Don't
        do it if line start is too far away from window start.

1999-06-14  Gerd Moellmann  <gerd@gnu.org>

        * buffer.c (init_buffer_once): Set buffer_local_flags for
        scroll_*_aggressively.
        (syms_of_buffer): Add DEFVAR_PER_BUFFER for scroll-*-aggressively.
        (init_buffer_once): Set defaults for these variables.
        (syms_of_buffer): Add default-scroll-*-aggressively.

        * buffer.h (scroll_up_aggressively): New.
        (scroll_down_aggressively):  New.

        * Makefile.in (LIBPNG): Add -lz -lm in case we're linking with
        a static PNG library.

        * configure.in (HAVE_PNG): Add -lz -lm when checking for PNG lib
        in case it's a static library.

        * Makefile.in (ctagsfiles): Split so that files starting
        with an `x' are found before files starting with `w32'.
        (ctagsfiles1): New.
        (ctagsfiles2): New.
        (TAGS): Use ctagsfiles[12] instead of ctagsfiles.

        * xdisp.c (compute_window_start_on_continuation_line): New.
        (redisplay_window): Use it.
        (INFINITY): New.
        (reseat_to_string): Use it.
        (hscroll_window_tree): Ditto.
        (compute_window_start_on_continuation_line): Ditto.
        (redisplay_window): Don't force display with a new window start.

1999-06-06  Gerd Moellmann  <gerd@gnu.org>

        * xfns.c (x_report_frame_params): Don't report `outer-window-id'
        if widget not present.

        * xdisp.c (prepare_menu_bars): Ignore tooltip frame.

1999-06-04  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (recompute_basic_faces)[GLYPH_DEBUG]: Check return
        value of realize_basic_faces.
        (load_face_font_or_fontset): Store full font name in face.
        (realize_default_face): Use full font name.

        * xlwmenu.c (make_shadow_gcs) ]emacs]: Use x_alloc_nearest_color.

        * xterm.c (x_produce_glyphs): Set member char_to_display.
        (x_append_glyph): Store char_to_display in glyphs.

        * dispextern.h (struct it): Add char_to_display.

        * xfns.c (x_set_font): Don't call face-set-after-frame-default
        if faces haven't been initialized.
        (Fx_create_frame): Call face-set-after-frame-default after
        faces have been initialized, and widget has been created.

        * puresize.h (BASE_PURESIZE): Increased.

1999-06-01  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (set_lface_from_font_name): Add parameter force_p.
        (Finternal_set_lisp_face_attribute): If frame is t when
        :font attribute is set, use the selected frame.
        (clear_face_cache): Add parameter clear_fonts_p.
        (Fclear_face_cache): Add optional parameter thorougly.

        * xfaces.c (face_numeric_value): Return -1 if symbol is not
        in table.
        (Fclear_face_cache): New.
        (choose_face_fontset_font): If fontset doesn't contain font
        pattern for the given charset, use CHARSET_ASCII.
        (Finternal_set_lisp_face_attribute): Fix handling of nil
        stipple attribute.
        (Finternal_set_lisp_face_attribute): Fix handling of changing
        font-related face attributes of the default face.
        (set_lface_from_font_name): Set only attributes that aren't
        specified.

1999-05-31  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (SCALABLE_FONTS): Define this to enable scalable
        font support.
        (Vscalable_fonts_allowed) [SCALABLE_FONTS]: New.
        (x_face_list_fonts): Add parameter scalable_fonts_p.  Handle
        scalable fonts depending on the setting of SCALABLE_FONTS.
        (first_font_matching): List more than one font to find the
        first non-scalable matching font.
        (sorted_font_list): Let x_face_list_fonts return scalable fonts
        depending on SCALABLE_FONTS.
        (better_font_p): New parameter compare_pt_p.  If zero, don't
        compare point sizes of fonts.
        (exact_face_match_p) [SCALABLE_FONTS]: New.
        (build_scalable_font_name) [SCALABLE_FONTS]: New.
        (may_use_scalable_font_p) [SCALABLE_FONTS]: New.
        (best_matching_font) [SCALABLE_FONTS]: Handle scalable fonts.
        (syms_of_xfaces):  Add scalable-fonts-allowed.

1999-05-26  Gerd Moellmann  <gerd@gnu.org>

        * xfns.c (png_load): Let PNG lib handle gamma.  Construct
        mask only if image contains simple transparency information.
        Otherwise, combine image with frame background color.

        * configure.in (--with-png, HAVE_PNG): New.

        * config.in (HAVE_PNG): New.

        * Makefile.in: Add PNG library.

        * xfns.c: Add PNG support.

1999-05-25  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (init_xdisp): Initialize echo_area_message and
        previous_echo_area_message to nil.

        * keyboard.c (read_char): Rename local variable echo_area_message
        because it shadows the global one.

1999-05-05  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (note_mode_line_highlight): Restructured.

        * window.c (coordinates_in_window): Handle windows that don't have
        a mode line because their buffer's mode-line-format is nil.
        Recognize the mode line under x positions that correspond to
        flags areas and left scroll bar.

1999-05-02  Dave Love  <fx@gnu.org>

        * xterm.c (note_mouse_highlight): Separate help-echo processing
        from check on mouse-face so that it works generally.

1999-04-21  Gerd Moellmann  <gerd@gnu.org>

        * sound.c (Fplay_sound): Run hook play-sound-hook.
        (Qplay_sound_hook): New.

1999-04-20  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (update_echo_area): Handle echo_area_message.

1999-04-19  Gerd Moellmann  <gerd@gnu.org>

        * editfns.c (Fmessage): Use message3.

        * print.c (printchar): Set echo_area_message to nil.
        (strout): Ditto.

        * minibuf.c (read_minibuf): Reset echo message strings to nil.
        (Fminibuffer_completion_help): Ditto.

        * keyboard.c (cmd_error_internal): Set echo_areA_message.
        (command_loop_1): Test echo_areA_message.
        (read_char): Ditto.
        (record_menu_key): Set echo_area_message to nil.
        (Fexecute_extended_command): Test echo_area_message.
        (Fexecute_extended_command): Handle echo_area_message.

        * fileio.c (Fdo_auto_save): Handle the case that echo_area_message
        is set.

        * editfns.c (Fcurrent_message): If echo_area_message is set,
        return a substring of that string.

        * dispnew.c (direct_output_for_insert): Test echo_area_message
        in addition to echo_area_glyphs.
        (set_window_cursor_after_update): Ditto.
        (update_frame_1): Ditto.

        * alloc.c (Fgarbage_collect): Use message3_nolog to display
        old Lisp message string.

        * xdisp.c (echo_area_message): New.
        (previous_echo_area_message): New.
        (syms_of_xdisp): Initialize and staticpro new variables.
        (echo_area_display): Display echo_area_message if set.
        (message2_nolog): Set echo_area_message and
        previous_echo_area_message.
        (echo_area_display): Set previous_echo_area_message.
        (redisplay_internal): Display echo area if echo_area_message
        or previous_echo_area_message are set.
        (redisplay_preserve_echo_area): Test/set echo_area_message and
        previous_echo_area_message.
        (redisplay_window): Test echo_area_message.
        (message3_nolog): New.
        (message3): New.

        * editfns.c (Fformat): Add text properties to the result string
        from properties of the format string and properties of string
        arguments.

        * textprop.c (text_property_list): New.
        (add_text_properties_from_list): New.
        (extend_property_ranges): New.

1999-03-29  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (Qraised, Qsunken, QCshadow): Removed.
        (QCline_width, QCstyle, Qpressed_button, Qreleased_button): New.
        Use these symbols for the box face attribute instead of the
        removed ones.

1999-03-12  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (realize_tty_face): Don't set alt_char_p of face.
        Correct wrong test for slant.

1999-03-10  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c: Use `unspecified' for unspecified face attributes,
        use t and nil for on/off.

1999-03-06  Gerd Moellmann  <gerd@gnu.org>

        * buffer.c (syms_of_buffer): Extend doc string of
        mode-line-format.

        * xfaces.c (x_face_list_fonts): New parameter try_alternatives_p.
        (first_font_matching): New.
        (set_lface_from_font_name): Use it if font name is a pattern.
        (font_field_wildcard_p): Removed.

        * dispnew.c (shift_glyph_matrix): Add `window' parameter.
        Recompute visible height of rows.

        * xterm.c (note_mouse_highlight): Reorder code for help-echo.
        Don't accept non-strings for help-echo from overlays.

1999-03-04  Dave Love  <fx@gnu.org>

        * xterm.c (note_mouse_highlight): Check overlays for help-text
        property.
        (XTread_socket): Fix compiler warning.
        
1999-03-05  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (note_mouse_highlight): Don't restrict number of 
        overlay to 10.  Call overlays_at so that it doesn't try to
        extend the vector.

        * xdisp.c (compute_line_metrics): Compute glyph row's visible
        height.

        * dispnew.c (row_equal_p): Compare visible row height, only.
        (update_text_area): Draw whole line if visible heights of
        rows differ.
        (update_window_line): Call after_update_window_line_hook
        if visible row height has changed.

        * dispextern.h (MATRIX_ROW_VISIBLE_HEIGHT): Removed.
        (struct glyph_row): New member visible_height.

        * xfaces.c (font_field_wildcard_p): New.
        (set_lface_from_font_name): Remove parameter force_p.  Accept
        font names containing wildcards.

1999-03-04  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (x_after_update_window_line): Clear internal border
        when windows_or_buffers_changed.

        * dispextern.h (WINDOW_WANTS_MODELINE_P): Return zero if window's
        buffer has a nil mode_line_format.

1999-03-03  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (x_setup_relief_colors): Use either background color
        or specified color.

        * xfaces.c (realize_x_face): Set face->use_box_color_for_shadows_p.

        * dispextern.h (struct face): Add use_box_color_for_shadows_p.

        * xterm.c (x_draw_box_rect): New.
        (x_draw_glyph_string_box): Renamed from
        x_draw_glyph_string_relief.  Call x_draw_box_rect.

        * xfns.c (QCrelief): New.
        (syms_of_xfns): Initialize it.

        * dispextern.h (struct glyph): Rename left_shadow_p to
        left_box_line_p, right_shadow_p to right_box_line_p.
        (MAX_RELIEF_THICKNESS): Removed.
        (struct it): Rename members having `relief' in their names
        to contain `box' instead.

        * xfaces.c (realize_x_face): Handle new box attribute values.
        (QCrelief, Qbox): Removed.
        (QCshadow, QCcolor, Qraised, Qsunken): New.
        (syms_of_xfaces): Initialize new symbols.

1999-03-02  Gerd Moellmann  <gerd@gnu.org>

        * dispextern.h (LFACE_RELIEF_INDEX): Removed.

        * xfaces.c (LFACE_RELIEF): Removed.
        (merge_face_vector_with_property): Remove handling of `:relief'.
        (Finternal_set_lisp_face_attribute): Ditto.
        (Finternal_set_lisp_face_attribute_from_resource): Ditto.
        (Finternal_get_lisp_face_attribute): Ditto.
        (realize_default_face): Ditto.
        (lface_hash): Don't compute hash from relief.

        * dispextern.h (struct face): Replace member `relief' by
        `box_line_width'.  Add member `box'.
        (face_box_type): New.

        * xterm.c (x_produce_glyphs): If face has overline, add overline
        thickness + 1 to ascent.

1999-03-01  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (x_draw_glyph_string): Draw underline, overline,
        strike-through, and boxes.
        (x_draw_glyph_string_underline): Removed.

        * xfaces.c (QCoverline, QCstrike_through, QCbox): New.
        (Qoverline, Qstrike_through, Qbox): New.
        (syms_of_xfaces): Define these symbols.
        (check_lface_attrs): Add checks for overline, strike-through,
        and box.
        (Finternal_set_lisp_face_attribute): Set new attributes.
        (LFACE_OVERLINE, LFACE_STRIKE_THROUGH, LFACE_BOX): New.
        (load_color): Handle new attributes.
        (realize_x_face): Ditto.
        (merge_face_vector_with_property): Ditto.
        (free_face_colors): Ditto.
        (Finternal_set_lisp_face_attribute_from_resource): Ditto.
        (Finternal_get_lisp_face_attribute): Ditto.
        (Finternal_lisp_face_attribute_values): Ditto.

        * dispextern.h (lface_attribute_index): Add enumerators for
        overstrike, strike-through, and box.
        (struct face): Add members for overline, strike-through, and
        box.

1999-02-17  Dave Love  <fx@gnu.org>

        * s/gnu-linux.h s/gnu.h s/irix5-0.h s/netbsd.h s/sco4.h s/sco5.h
        s/template.h (NARROWPROTO): Define on the basis of relevant X cf
        files.

1999-02-16  Gerd Moellmann  <gerd@gnu.org>

        * keyboard.c (toolbar_items): Call access_keymap with third
        parameter 1, so that we don't get inherited toolbar item
        definitions.

        * xdisp.c (redisplay_internal): In optimization 1, don't decrement
        the window end vpos when in empty first line of window.

1999-02-15  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (set_font_frame_param): New.
        (Finternal_set_lisp_face_attribute): Call it.

Sun Feb 14 10:54:02 1999  Masatake Yamato  <masata-y@is.aist-nara.ac.jp>

        * xfaces.c (Finternal_set_lisp_face_attribute_from_resource):
        Accept specifications of color for underline.

1999-02-13  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (Finternal_set_lisp_face_attribute): If parameter
        `frame' is t, operate on face defaults for new frames.  If it
        is nil, operate on the selected frame.

1999-02-12  Gerd Moellmann  <gerd@gnu.org>

        * dispnew.c (check_matrix_invariants): Put it in #if 0.
        (update_window): Put the call to check_matrix_invariants in #if 0.

Sun Feb  7 09:58:49 1999  Masatake Yamato  <masata-y@is.aist-nara.ac.jp>

        * dispextern.h: Remove all else block of UNDERLINE_COLOR.
        Remove definition of UNDERLINE_COLOR.

Mon Jan  4 04:43:41 1999  Masatake Yamato  <masata-y@is.aist-nara.ac.jp>

        * xfaces.c (free_face_colors): Free the color for underline.

        * xterm.c (x_draw_glyph_string_underline): Set the color for underline
        to the GC.

Sun Jan  3 08:41:10 1999  Masatake Yamato  <masata-y@is.aist-nara.ac.jp>

        * dispextern.h  (UNDERLINE_COLOR): Defined.
        (struct face): Added two new members.
        underline_color, underline_defaulted_p.

        * xfaces.c (merge_face_vector_with_property): 
        (check_lface_attrs): Accept the string value for underline.
        (Finternal_set_lisp_face_attribute): Likewise. 

        * xfaces.c (load_color): Change the last argument type to enum
        lface_attribute_index from int. And addec code for underling coloring.
        (load_face_colors): Pass LFACE_*_INDEX to load_color.
        
1999-02-12  Gerd Moellmann  <gerd@gnu.org>

        * xfns.c (Fx_image_header): Removed.

1999-02-07  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c: Don't include <bitmaps/gray>.
        (x_term_init): Use gray_bitmap_width and gray_bitmap_height.

        * xfns.c (Fx_image_header): Add missing `\n\'.
        (gray_bitmap_width, gray_bitmap_height, gray_bitmap_bits): New.

1999-02-01  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (x_scroll_bar_create): Set background pixel from
        specified scroll bar color.
        (x_scroll_bar_set_handle): Use scroll bar foreground color.

        * xfns.c (x_set_scroll_bar_foreground): Remove all scroll bars.
        (x_set_scroll_bar_background): Ditto.

        * xterm.c (x_create_toolkit_scroll_bar): Set scroll bar colors.

        * xfns.c (x_default_scroll_bar_color_parameter): New.
        (Fx_create_frame): Call it.

1999-01-31  Gerd Moellmann  <gerd@gnu.org>

        * xfns.c (Fx_create_frame): Initialize scroll bar pixel color
        values in x_output structure.  
        (Qscroll_bar_foreground, Qscroll_bar_background): New.
        (syms_of_xfns): Initialize these symbols.

        * xterm.h (struct x_output): Add scroll bar pixel colors.

        * xfns.c (x_frame_parms): Add entries for scroll bar colors.
        (x_set_scroll_bar_foreground): New.
        (x_set_scroll_bar_background): New.

        * xlwmenu.c (all_dashes_p): Removed.
        (size_menu_item): Call lw_separator_p.
        (display_menu_item): Ditto.
        (display_menu): Ditto.
        (draw_separator): New.
        (display_menu_item): Call it.
        (separator_height): New.
        (size_menu_item): Call it.

        * lwlib-Xm.c (all_dashes_p): Removed.
        (make_menu_in_widget): Use lw_separator_p.  Set Motif separator
        type.

        * lwlib.c (lw_separator_p): New.

        * lwlib.h (enum menu_separator): New.

1999-01-12  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (handle_single_display_prop): New.
        (handle_display_prop): Call it.
        (handle_raise_prop): Removed.
        (handle_height_prop): Removed.
        (handle_space_width_prop): Removed.
        (handle_face_prop): Remove handling of raised text.
        (handle_display_prop): Do it here.

        * dispextern.h (DISPLAY_PROP_IDX): Replaces GLYPH_PROP_IDX.
        (RAISE_PROP_IDX): Removed.
        (HEIGHT_PROP_IDX): Removed.
        (SPACE_WIDTH_PROP_IDX): Removed.

        * xdisp.c (Qdisplay): Replaces Qglyph.
        (handle_display_prop): Formerly handle_glyph_prop.

1999-01-11  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (reseat_to_string): Set position in display vector to -1.
        (handle_stop): Set position in display vector to -1.  Don't
        check overlay strings when set up to deliver characters from a
        display vector.
        (set_iterator_to_next): At the end of a run of characters from a
        display vector, check whether the display vector display replaces
        the display of a character.

1999-01-05  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (init_frame_faces): Don't realize faces if frame's
        X window hasn't been created yet.

1998-12-06  Gerd Moellmann  <gerd@gnu.org>

        * sound.c: New.

1998-12-04  Gerd Moellmann  <gerd@gnu.org>

        * config.in (HAVE_SOUND): New.

        * emacs.c (main): Call syms_of_sound and init_sound.

        * Makefile.in (obj): Add sound.o.

        * configure.in: Add checks for machine/soundcard.h and sys/soundcard.h.

        * config.in (HAVE_MACHINE_SOUNDCARD_H): New.
        (HAVE_SYS_SOUNDCARD_H): New.

1998-12-03  Gerd Moellmann  <gerd@gnu.org>

        * buffer.h (struct buffer): indicate_empty_lines renamed from
        indicate_zv_lines.

        * buffer.c (indicate-empty-lines): Renamed from indicate_zv_lines.
        (default-indicate-zv-lines): Likewise.

        * dispextern.h (struct glyph_row): Rename indicate_zv_line_p
        to indicate_empty_line_p.

        * xdisp.c (reseat_at_next_visible_line_start): Reset method
        to next_element_from_buffer.

        * frame.c (make_frame): Set n_current_toolbar_items to 0.

        * xdisp.c (handle_face_prop): Allow symbols of the form `N+'
        and `N-'.

        * xfns.c (xbm_scan): New.
        (xbm_read_hexint): Removed.
        (xbm_read_bitmap_file_data): Use xbm_scan.

        * fileio.c (Finsert_file_contents): Prevent redisplay optimizations.

1998-12-02  Gerd Moellmann  <gerd@gnu.org>

        * xfns.c (xbm_read_hexint): New.
        (xbm_read_bitmap_file_data): New.
        (xbm_load_image_from_file): Call xbm_read_bitmap_file_data
        instead of XReadBitmapFileData.

        * xdisp.c (handle_raise_prop): Compute voffset from current font.

        * xfaces.c (face_with_height): New.

        * xdisp.c (eval_handler): Renamed from eval_mode_handler.
        (eval_form): Renamed from eval_mode_element.
        (handle_face_prop): Use it.
        (Qheight): Replaces Qsmaller.
        (handle_height_prop): Replaces handle_smaller_prop.
        (handle_face_prop): If iterator's font_height is not an 
        integer, evaluate it to get the font height to use.

        * dispextern.h (HEIGHT_PROP_IDX): Replaces SMALLER_PROP_IDX.
        (struct it): Use `font_height' instead of `smaller'.

1998-12-01  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (reseat_1): New.
        (reseat): Call it.
        (move_it_vertically_backward): Ditto.
        (redisplay_window): Don't abort when cursor not found in recenter.

1998-11-30  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (reseat_at_next_visible_line_start): When not
        currently delivering display elements from the current buffer,
        restore buffer position first.
        (init_from_display_pos): Don't set IT's position from the
        position passed to this function.

1998-11-28  Gerd Moellmann  <gerd@gnu.org>

        * config.in (PROTO): Removed.

        * xterm.h: Change PROTO to P_.

1998-11-26  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (take_vertical_position_into_account): New.
        (x_produce_image_glyph): Call it.
        (x_produce_stretch_glyph): Ditto.
        (x_produce_glyphs): Ditto.
        (x_fill_glyph_string): Adjust base line for glyph's voffset.
        (x_fill_composite_glyph_string): Ditto.
        (x_fill_image_glyph_string): Ditto.
        (x_fill_stretch_glyph_string): Ditto.

        * xdisp.c (display_line): Always compute row height from
        max_ascent and max_descent.

        * dispextern.h (struct glyph): Add voffset.
        (struct it): Replace height by descent, max_height by max_descent.

        * xterm.c (x_append_glyph): Set voffset
        (x_append_stretch_glyph): Ditto.
        (x_produce_image_glyph): Ditto.
        (x_produce_glyphs): Take voffset into account.
        (x_produce_image_glyph): Ditto.
        (x_produce_stretch_glyph): Ditto.

        * dispextern.h (struct it): Add voffset.
        * xdisp.c (push_it): Save voffset.
        (pop_it): Restore it.

        * xdisp.c (it_props): Add entry for `raise'.
        (handle_raise_prop): New.

        * dispextern.h (RAISE_PROP_IDX): New.

        * xdisp.c (Qraise): New.
        (syms_of_xdisp): Define Qraised.

        * xterm.c (x_scroll_bar_move): Clear to the left and right
        of toolkit scroll bars differently.
        (x_scroll_bar_move): Removed.
        (XTset_vertical_scroll_bar): Move code from x_scroll_bar_move here.

        * dispextern.h: Make it compilable --with-x=no.
        * alloc.c: Ditto.
        * emacs.c: Ditto.
        * dispnew.c: Ditto.
        * keyboard.c: Ditto.
        * term.c: Ditto.
        * xdisp.c: Ditto.
        * xfaces.c: Ditto.
        * xfns.c: Ditto.
        * xmenu.c: Ditto.

1998-11-25  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (XTread_socket): Cancel help-echo when leaving frame.

1998-11-24  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (x_set_toolkit_scroll_bar_thumb): When dragging,
        update slider size, only.
        (xm_scroll_callback): Set dragging member of the scroll bar.
        (xt_action_hook): Reset last_scroll_bar_part.
        (XTredeem_scroll_bar): Reset bar->dragging to nil.

        * xlwmenu.c (abort_gracefully): New.
        (display_menu): Use it instead of abort.
        (size_menu): Ditto.

        * xfns.c (Fx_hide_busy_cursor): Don't try to hide busy cursor
        window on newly created frames that don't have one.

1998-11-23  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (restore_overlay_strings): Removed.
        (restore_dpvec): Removed.
        (init_from_display_pos): Inline both functions above.

        * xfns.c (IMAGE_NON_NEGATIVE_INTEGER_VALUE): New.
        (parse_image_spec): Handle it.
        (xbm_format): Use it.
        (xpm_format): Ditto.
        (pbm_format): Ditto.
        (jpeg_format): Ditto.
        (tiff_format): Ditto.
        (gif_format): Ditto.
        (gs_format): Ditto.

        * xdisp.c (set_window_cursor): Removed.
        (redisplay_internal): Case cursor motion in cursor line of
        selected window; use set_cursor_from_row.

1998-11-22  Gerd Moellmann  <gerd@gnu.org>

        * widget.c (EmacsFrameSetCharSize): Take widget's border width
        into account.

1998-11-21  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (expose_frame): Redraw menu bar window.

        * xdisp.c (display_menu_bar): Record hpos instead of x-position
        in menu item.

        * dispnew.c (change_frame_size_1): Use FRAME_TOP_MARGIN instead
        of FRAME_TOOLBAR_LINES.  Use `f' instead of `frame'.

        * widget.c (set_frame_size): Use FRAME_SCROLL_BAR_COLS
        to determine vertical_scroll_bar_extra.
        (EmacsFrameSetCharSize): Ditto.
        * xfns.c (x_figure_window_size): Ditto.

        * xterm.c (x_draw_row_bitmaps): Draw in `bitmap-area' face.
        (x_draw_bitmap): Ditto.

        * dispextern.h (face_id): New id BITMAP_AREA_FACE_ID.
        * xfaces.c (realize_basic_faces): Realize it.

1998-11-20  Gerd Moellmann  <gerd@gnu.org>

        * xmenu.c (xmenu_show): Add workaround for remaining button grab
        under LessTif   Use the widget of the frame as parent for the 
        menu, again.

1998-11-19  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (XTread_socket): Inhibit busy cursor for EnterNotify.
        When EnterNotify, don't generate a mouse movement event if
        notification is from a busy-cursor child window.

        * xterm.h (struct x_output): Add busy_window, remove cursor.

        * xfns.c (Fx_show_busy_cursor): Formerly Fx_display_busy_cursor.
        Use a transparent window to display the busy-cursor.
        (Fx_hide_busy_cursor): Formerly Fx_undisplay_busy_cursor.

1998-11-17  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (check_window_end): New, for debugging.
        (CHECK_WINDOW_END): New.
        (try_window_id): Use it.

        * xterm.c (process_expose_from_menu): Return int.

        * keyboard.c (kbd_buffer_get_event): Set flag to prevent recording
        TOOLBAR_EVENT events in last_nonmenu_event.

1998-11-16  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (redisplay_window): If windows_or_buffers_changed,
        window end isn't reliable, so set window_end_valid to nil.
        (redisplay_internal): If overlay arrow has changed, set
        windows_or_buffers_changed to redisplay thoroughly.

        * dispnew.c (adjust_glyph_matrix): Invalidate window end, if
        necessary.

        * xfns.c (file_dialog_cb): New.
        (Fx_file_dialog): New.
        * fileio.c (Fread_file_name): Call it.

        * xrdb.c (x_load_resources): Add default resoures for file 
        selection dialog.

1998-11-14  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (note_mouse_highlight): Don't highlight when popup
        is active.

        * xlwmenu.c (xlwMenuResources): Change previously unused 
        XtNmargin to 4.
        (size_menu): Take margin into account.
        (display_menu_item): Ditto.
        (remap_menubar): Ditto.
        (draw_arrow): Draw it 3D.

        * keyboard.c (timer_check): Inhibit busy cursor around calls to
        timer-event-handler.  This busy cursor tends to be anoying if
        fontifying stealthily.

        * dispnew.c (direct_output_for_insert): Give up if current row
        contains trailing whitespace.

1998-11-13  Gerd Moellmann  <gerd@gnu.org>

        * dispextern.h (prop_idx): Add FONTIFIED_PROP_IDX.

        * xdisp.c (handle_fontified_prop): New.
        (Vfontification_functions): New.
        (Qfontification_functions): New.
        (it_props): Add handle_fontified_prop.

1998-11-12  Gerd Moellmann  <gerd@gnu.org>

        * xmenu.c (xmenu_show): Use the frame's edit_widget as parent.
        Otherwise, under LessTif, after the popup has gone, all button
        press events come in for the frame's widget, and release events
        come in for the edit_widget.
        * xterm.c (XTread_socket): Remove workaround for that problem.
        (x_set_toolkit_scroll_bar_thumb): Add workaround for LessTif
        XmScrollBarSetValues.
        (SET_SAVED_MENU_EVENT): Give it statement form.

        * lwlib-Xm.c (make_menu_in_widget): Set alignment of menu
        title after all widgets have been created.

        * xfaces.c (display_message): If waiting_for_input, don't display
        the message.

        * window.c (scroll_command): If not acting on current_buffer,
        make redisplay consider all windows.

        * xfns.c (Fx_hide_tip): Return t if tooltip was open.

        * xdisp.c (handle_glyph_prop): Set it->object for images to
        the object having the glyph property.

        * xterm.c (x_draw_row_bitmaps): Don't draw if row is completely
        invisible.

1998-11-11  Gerd Moellmann  <gerd@gnu.org>

        * xterm.h (struct x_display_info): Add gray pixmap.  * xterm.c
        (x_term_init): Create the gray pixmap.
        (x_setup_relief_color): Use it.
        (x_get_glyph_string_clip_rect): Draw a toolbar window over the
        internal border at the top of a frame.
        (x_init_glyph_string): Likewise.
        (x_draw_glyph_string_relief): Correct right x by 1 pixel for 
        full-width lines.
        (XTflash): Don't flash the toolbar window.

        * xterm.c (XTread_socket): Workaround for LessTif popup menus
        in case of ButtonPress events.

1998-11-10  Gerd Moellmann  <gerd@gnu.org>

        * xrdb.c (x_load_resources): Add grey background colors as
        defaults for menus, scroll bars, and dialogs.

        * insdel.c (prepare_to_modify_buffer): Move setting
        windows_or_buffers_changed from modify_region here.

        * xfns.c (Fx_show_tip): Inhibit redisplay.
        (Fx_hide_tip): Ditto.
        (Fx_image_header): New.

1998-11-09  Gerd Moellmann  <gerd@gnu.org>

        * dispnew.c (clear_window_matrices): Set window_end_valid to nil
        when clearing current window matrices.

1998-11-08  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (handle_glyph_prop): Don't set an iterator's buffer
        position from a string position.  Use the right end position
        if the property spans a whole overlay string.

1998-11-07  Gerd Moellmann  <gerd@gnu.org>

        * xmenu.c (menubar_selection_callback): Remove workaround for
        Lesstif not calling XmNpopdownCallback because it doesn't
        handle the case where users don't select any menu item.

        * xlwmenu.c (toggle_button_width): Renamed from
        toggle_or_radio_button_width.
        (radio_button_width): New.
        (size_menu_item): Use new functions.
        (draw_shadow_rhombus): New.
        (draw_radio): Use radio_button_width and draw_shadow_rhombus.
        (draw_toggle): Use toggle_button_width.

        * insdel.c (modify_region): Set windows_or_buffers_changed.

        * buffer.c (set_buffer_internal): Don't set
        windows_or_buffers_changed.

        * lwlib-Xm.c (xm_update_toggle): Add callback xm_generic_callback
        instead of xm_internal_update_other_instances.

        * xmenu.c (HAVE_BOXES): Define if USE_X_TOOLKIT.

        * lwlib-Xm.c (make_menu_in_widget): Do help button before managing
        children to get it to the right place.
        (make_menu_in_widget): Create toggle buttons.
        (update_one_menu_entry): Update toggle buttons.

        * xmenu.c (menubar_selection_callback): Add workaround for
        Lesstif not calling XmNpopdownCallback.

        * xdisp.c (eval_mode_element): New.
        (eval_mode_handler): New.
        (display_mode_element): Use eval_mode_element.

        * xdisp.c (display_mode_element): Allow `(:eval FORM)'.
        Remove code looking at text props of default value.

        * xmenu.c (HAVE_BOXES): Define if using Lucid menus.

        * xlwmenu.c (size_menu_item): Add parameter button_width.
        (size_menu): Compute button_width.
        (toggle_or_radio_button_width): New.
        (draw_toggle): New.
        (draw_radio): New.
        (draw_shadow_rectangle): Add parameter `down_p'.

        * xlwmenuP.h (_window_state): Add button_width.

1998-11-06  Gerd Moellmann  <gerd@gnu.org>

        * xmenu.c (single_submenu): Set button_type of menu to 
        BUTTON_TYPE_NONE.
        (single_submenu): Likewise for panes and menu items.
        (set_frame_menubar): Set button_type of menu bar to none.
        (xmenu_show): Likewise.
        (single_submenu): Set widget values selected slot.
        (xmenu_show): Likewise.

        * lwlib.c (merge_widget_value): Handle button_type.
        (copy_widget_value_tree): Copy button_type.

        * lwlib.h (enum button_type): New.
        (_widget_value): New member button_type.

        * xmenu.c (push_menu_item): Add parameters `type' and
        `selected'. Store it in menu_items.
        (MENU_ITEMS_ITEM_TYPE): New.
        (MENU_ITEMS_ITEM_SELECTED): New.
        (MENU_ITEMS_ITEM_LENGTH): Increase by two.

        * xfns.c (clear_image_cache): Get the current time, before
        doing anything.
        (cache_image): Set prev pointer of next image.
        (clear_image_cache): Clear current matrices if any image was
        freed.

        * xterm.c (XTread_socket): Set inhibit_busy_cursor.

        * xfns.c (x_set_cursor): New.
        (Fx_display_busy_cursor): New.
        (Fx_undisplay_busy_cursor): New.

        * xterm.h (struct x_output): Add busy_cursor.

        * xfns.c (Vx_busy_pointer_shape): New.
        (x_set_mouse_color): Create busy cursor.

        * process.c (wait_reading_process_input): Show and hide busy
        cursor.

        * keyboard.c (command_loop_1): Display busy cursor.

        * eval.c (Fsignal): Hide busy cursor.

        * buffer.c (set_buffer_internal): Don't set
        windows_or_buffers_changed.

        * xterm.c (redo_mouse_highlight): New.

1998-11-04  Gerd Moellmann  <gerd@gnu.org>

        * lwlib-Xm.c (make_menu_in_widget): Test for menubar widgets
        using XmNrowColumnType.

        * xfns.c (x_create_x_image_and_pixmap): Add depth parameter.
        (x_build_heuritic_mask): New.
        (lookup_image): Call it.

        * xterm.c (note_toolbar_highlight): Always set up help_echo.
        (previous_help_echo): New.
        (XTread_socket): Generate help event with nil message when
        leaving a region with help-echo.
        (note_mouse_highlight): Handle `help-echo' over text.
        (XTread_socket): Dispatch VisibilityNotify, CirculateNotify,
        CirculateRequest.
        (clear_mouse_face): Don't clear if tooltip is shown.
        (XTread_socket): Redo mouse-highlight after tooltip is gone.
        Avoid SET_FRAME_GARBAGED when tooltip is mapped.

        * keyboard.c (Vshow_help_function): New.
        (read_char): Use it.

1998-11-03  Gerd Moellmann  <gerd@gnu.org>

        * xfns.c (x_create_tip_frame): New.
        (Fx_show_tip): New.
        (Fx_hide_tip): New.

        * xterm.c (x_destroy_window): Handle case that we don't have 
        a widget.

        * dispextern.h (struct glyph_row): Rename no_marginal_areas_p
        to full_width_p.  Add internal_border_p.

1998-11-02  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (note_mode_line_highlight): Check the charpos of
        the glyph under the mouse pointer before accessing text
        properties at that position.

1998-11-01  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (x_draw_image_relief): Handle toolbar_button_relief.

        * xdisp.c (auto-raise-toolbar-buttons): New.
        (build_desired_toolbar_string): Handle the flag.
        (toolbar-button-margin): New.
        (toolbar-button-relief): New.
        (build_desired_toolbar_string): Use margin and relief.

        * xterm.c (x_set_toolkit_scroll_bar_thumb): Remove workaround
        for FreeBSD.
        (note_mode_line_highlight): New.
        (note_mouse_highlight): Call it.

1998-10-31  Gerd Moellmann  <gerd@gnu.org>

        * s/freebsd.h (NARROWPROTO): New.

        * xdisp.c (display_string): New parameter face_string.
        (display_mode_element): When displaying a symbol with a string
        value, use text properties from the symbol's default value, maybe.

        * xrdb.c (x_load_resources): Add font defaults for menus and
        dialogs.

1998-10-30  Gerd Moellmann  <gerd@gnu.org>

        * xfns.c (Fx_create_frame): Try 12pt Courier font first.

1998-10-29  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (x_produce_glyphs): Fix bug causing glyphs to be
        produced for characters with codes < 32 under certain
        circumstances.

        * xdisp.c (redisplay_window): Handle values of PT in front
        of invisible, intangible text.
        (try_window_id): Set overlay_arrow_seen to zero before 
        displaying lines.
        (display_mode_element): Assign to glyphs written for a mode
        line spec `%x' as object the Lisp format string, as position
        the position of the `%' in that string.
        (display_string): If displaying a C string, optionally get
        the face to use from a Lisp string.

        * xterm.c (expose_window_tree): Include mode line height.

        * xfns.c (Fx_create_frame): Add toolbar height to frame height.

1998-10-27  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (note_mouse_highlight): Change mouse pointer shape
        over mode line.

1998-10-26  Gerd Moellmann  <gerd@gnu.org>

        * window.c (coordinates_in_window): Use CURRENT_MODE_LINE_HEIGHT.

        * xdisp.c (redisplay_window): If mode line height has changed,
         arrange for a thorough immediate redisplay using the correct mode
         line height.
         (window_box_height): Use CURRENT_MODE_LINE_HEIGHT.

        * dispextern.h (MATRIX_MODE_LINE_HEIGHT): New.
        (CURRENT_MODE_LINE_HEIGHT): New.
        (DESIRED_MODE_LINE_HEIGHT): New.

        * keyboard.c (make_lispy_event): Add string and string position
        info to mouse-click events.
        (read_key_sequence): Handle `local-map' property of mode line
        strings.

        * keyboard.h (POSN_STRING): New.

1998-10-25  Gerd Moellmann  <gerd@gnu.org>

        * dispnew.c (mode_line_string): Mew.

        * xterm.c (xt_action_hook): New.
        (x_create_toolkit_scroll_bar): Add action hook.
        (xm_scroll_callback): Implement dragging.

        * keyboard.c (Qend_scroll): New.
        (scroll_bar_parts): Add it.

        * termhooks.h (scroll_bar_end_scroll): New.

        * xterm.c (XTread_socket): Bug fix.

1998-10-24  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (redisplay_window): Finish scroll bars after
        redisplaying toolbar.

        * keyboard.c (scroll_bar_parts): Add Qtop and Qbottom.
        (syms_of_keyboard): Add Qbottom.

        * termhooks.h (scroll_bar_to_top): New.
        (scroll_bar_to_bottom): New.

        * xdisp.c (redisplay_window): Always resize toolbar window if
        auto_resize_toolbar_p is non-zero.
        (auto_resize_toolbar_p): Renamed from auto_resize_toolbar.
        (window_box): New.
        (window_box_height): New.
        (window_box_width): New.
        (window_box_left): New.
        (window_box_right): New.
        (window_box_edges): New.

1998-10-23  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (x_set_toolkit_scroll_bar_thumb): Kluge for call to
        XawScrollbarSetThumb in FreeBSD.
        (x_create_toolkit_scroll_bar): Set resource "beNiceToColormap"
        to true.

        * window.c (get_phys_cursor_glyph): Return null if cursor vpos
        is out of range.

        * xterm.c (x_create_toolkit_scroll_bar): Set scroll_bar_pixel.
        (x_term_init): Initialize it.

        * xterm.h (struct x_display_info): Add scroll_bar_pixel.

        * xterm.c (x_create_toolkit_scroll_bar): Set LessTif scroll bar's
        cursor.

1998-10-22  Gerd Moellmann  <gerd@gnu.org>

        * keyboard.c (make_lispy_event): Handle scroll_bar_click
        differently when using toolkit scroll bars.

        * xterm.c (x_send_scroll_bar_event): New.
        (x_scroll_bar_to_input_event): New.
        (xaw3d_scroll_callback): New.
        (xaw3d_jump_callback): New.
        (xm_scroll_callback): New.
        (x_toolkit_scroll_p): New.
        (XTread_socket): Handle scroll bar client message.
        (x_term_init): Initialize Xatom_Scrollbar.
        (x_scroll_bar_create): Set cursor.
        (xm_scroll_callback):
        (x_create_toolkit_scroll_bar): New.
        (x_set_toolkit_scroll_bar_thumb): New.
        (x_scroll_bar_create): Call x_create_toolkit_scroll_bar.
        (XTset_vertical_scroll_bar): Call x_set_toolkit_scroll_bar_thumb.

        * xterm.h (struct x_display_info): Add Xatom_Scrollbar.

1998-10-21  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (x_scroll_bar_remove): Handle toolkit scroll bars.
        (XTread_socket): Don't handle mouse button events for scroll bars
        if using toolkit scroll bars.
        (XTset_vertical_scroll_bar): Set thumb size and position for
        Athena scroll bar.

        * xterm.h (scroll_bar): Add x_widget_low and x_widget_high.

        * xterm.c (XTread_socket): Dispatch expose event to widget
        if using toolkit scroll bars.
        (x_scroll_bar_expose): Make no-op for toolkit scroll bars.
        (x_scroll_bar_create): Create and show a scroll bar widget 
        if using toolkit scroll bars.
        (x_scroll_bar_move): Handle tookit scroll bars.

        * Makefile.in (LIBW): Use Xaw3d if present.

        * configure.in (USE_TOOLKIT_SCROLL_BARS): New.
        (HAVE_XAW3D): New.
        
        * config.in (USE_TOOLKIT_SCROLL_BARS): New.
        (HAVE_XAW3D): New.

        * xterm.c (XTset_vertical_scroll_bar): Correct position of 
        right vertical scroll bar.

1998-10-20  Gerd Moellmann  <gerd@gnu.org>

        * xfns.c (xpm_load): Support reading XPM images from string
        buffers containing data in the same format as an XPM file.
        Support `:color-symbols'.
        (xpm_format): Add `:data'.
        (xpm_keyword_index): Add XPM_DATA.
        (syms_of_xfns): Add `:color-symbols'.
        (xpm_keyword_index): Add XPM_COLOR_SYMBOLS.
        (xpm_valid_color_symbols_p): New.
        (xpm_image_p): Call it.

        * xdisp.c (build_desired_toolbar_string): Add `:algorithm'
        attribute to the image if item is not enabled.

        * xfns.c (x_laplace): New.
        (x_laplace_read_row): New.
        (x_laplace_write_row): New.
        (lookup_image): Handle common image attributes here.  New
        attribute `:algorithm'.

        * xfaces.c (clear_face_cache): Call clear_image_cache.

        * xterm.c (x_inverted_image_mask): Removed.
        (x_draw_image_foreground_1): New.
        (x_draw_image_glyph_string): Draw images with mask to a temporary
        pixmap to reduce flickering.

        * xdisp.c (redisplay_toolbar): Handle auto-resize-toolbars.
        (display_toolbar_line): Remove parameter `margin'.

1998-10-19  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (toolbar_lines_needed): New.
        (auto-resize-toolbars): New.

        * xfns.c (cache_image): Correct call to xrealloc.

        * dispnew.c (Fset_toolbar_height): Removed.

        * xdisp.c (init_xdisp): Use FRAME_TOP_MARGIN instead of
        FRAME_MENU_BAR_LINES.

        * window.c (Fdelete_other_windows): Use FRAME_TOP_MARGIN
        instead of FRAME_MENU_BAR_LINES.
        (check_frame_size): Ditto.

        * dispnew.c (adjust_frame_glyphs_initially): Use FRAME_TOP_MARGIN
        instead of FRAME_MENU_BAR_LINES.
        (adjust_frame_glyphs_for_frame_redisplay): Ditto.
        (build_frame_matrix): Ditto.
        (change_frame_size_1): Ditto.

        * frame.h (FRAME_TOOLBAR_LINES): New.
        (FRAME_TOP_MARGIN): New.

        * window.c (struct save_window_data): Add frame_toolbar_lines.
        (Fset_window_configuration): Handle toolbar lines.
        (Fcurrent_window_configuration): Save toolbar lines.

        * frame.c (syms_of_frame_1): Add Qtoolbar_lines.

        * xfns.c (Fx_create_frame): Add default parameter for toolbar.

        * frame.h (struct frame): Rename top_margin to toolbar_lines.

        * xfns.c (x_frame_parms): Add `toolbar-lines'.
        (x_set_toolbar_lines): New.

        * keyboard.c (cmd_error_internal): Bug fix.

        * xterm.c: Remove double include of syssignal.h.

1998-10-18  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (x_toolbar_item): New.
        (x_handle_toolbar_click): Use it.
        (note_toolbar_highlight): Use it.

        * keyboard.c (syms_of_keyboard): Staticpro toolbar_item_properties
        and toolbar_items_vectors.

        * xterm.c (help_echo): New.
        (draw_glyphs_face): Add DRAW_IMAGE_RAISED and DRAW_IMAGE_SUNKEN.
        (x_set_glyph_string_gc): Handle them.
        (x_after_update_window_line): Don't do anything in pseudo-windows.
        (x_produce_image_glyph): Take image margin and face relief into
        account.
        (x_get_glyph_string_clip_rect): Handle pseudo-windows.
        (x_draw_glyph_string_background): Optimize case when face has
        relief.
        (x_setup_relief_color): Take frame instead of glyph string
        parameter.
        (x_draw_relief_rect): New.
        (x_draw_glyph_string_relief): Call it.
        (x_draw_image_glyph_string_foreground): Handle margin and image
        relief.
        (x_draw_image_glyph_string_background): Ditto.
        (expose_frame): Redraw toolbar window.
        (expose_window): Don't draw cursor for pseudo-windows.
        (x_y_to_hpos_vpos): Handle pseudo-windows.
        (frame_to_window_pixel_xy): New.
        (note_mouse_highlight): Call note_toolbar_highlight.
        (x_handle_toolbar_click): New.
        (note_toolbar_highlight): New.
        (show_mouse_face): Change int parameter `hl' to parameter of
        type enum draw_glyphs_face.  Handle image highlighting.
        (XTread_socket): Return a HELP_EVENT input event if help_echo is
        non-nil.  Use x_handle_toolbar_click.

        * termhooks.h (event_kind): Add HELP_EVENT, TOOLBAR_EVENT.

        * xfns.c (image_value_type): Add IMAGE_INTEGER_VALUE,
        IMAGE_BOOL_VALUE.
        (parse_image_spec): Handle them.
        (image_spec_value): Additional parameter found.
        (free_image): Remove image from the vector `images' of the 
        image cache.
        (clear_image_cache): Additional parameter force_p.
        (Fclear_image_cache): New.
        (x_find_image_file): New.
        (xbm_load): Handle `:margin' and `:relief'.  Use
        x_find_image_file.
        (xpm_load): Likewise.
        (pbm_load): Likewise.
        (jpeg_load): Likewise.
        (tiff_load): Likewise.
        (gif_load): Likewise.

        * keyboard.c (Qhelp_echo): New symbol.
        (read_char): Handle `toolbar' and `help_echo' events.
        (kbd_buffer_get_event): Handle HELP_ECHO input event.
        (make_lispy_event): Handle TOOLBAR_EVENT.
        (toolbar_items): New.
        (process_toolbar_item): New.
        (PROP): New.
        (init_toolbar_items): New.
        (append_toolbar_item): New.
        (read_char_x_menu_prompt): Handle `toolbar' event.
        (read_key_sequence): Ditto.

        * xfaces.c (Qtoolbar): New.
        (realize_basic_faces): Realize `toolbar' face.
        (face_at_string_position): Remove parameter modeline_p, add
        base_face_id.

        * xfns.c (xbm_load_image_from_file): Don't use Xmu function
        to read data.

1998-10-17  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (init_iterator): Replace parameter modeline_p with
        base_face_id.
        (next_element_from_string): Call get_next_display_element
        recursively after handling text properties.
        (prepare_menu_bars): Call update_toolbar.
        (update_toolbar): New.
        (build_desired_toolbar_string): New.
        (display_toolbar_line): New.
        (redisplay_toolbar): New.
        (toolbar_item_info): New.
        (redisplay_window): Call redisplay_toolbar.
        (Fdump_toolbar_row): New.  Defined if compiled with GLYPH_DEBUG.

        * dispnew.c (clear_current_matrices): Clear matrices of toolbar
        window.
        (clear_desired_matrices): Ditto.
        (adjust_frame_glyphs_for_window_redisplay): Make toolbar window.
        (free_glyphs): Free matrices of toolbar window.
        (update_frame): Update toolbar window.
        (change_frame_size_1): Take toolbar into account.
        (Fset_toolbar_height): New.

        * dispextern.h (struct it): Remove member modeline_p, add
        base_face_id.
        (struct image): Add members relief and margin.
        (IMAGE_ASCENT): Include margin in height.

1998-10-14  Gerd Moellmann  <gerd@gnu.org>

        * xfns.c (Fclear_image_cache): New.

        * xfaces.c (realize_basic_faces): Realize toolbar face.
        (face_at_string_position): Remove parameter modeline_p, add
        base_face_id.

        * dispextern.h (enum face_id): Add TOOLBAR_FACE_ID.

1998-10-13  Gerd Moellmann  <gerd@gnu.org>

        * keyboard.c (syms_of_keyboard): Intern `:help'.

1998-10-12  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (note_toolbar_highlight): New.
        (note_mouse_highlight): Call it.

        * window.c (window_from_coordinates): Additional parameter toolbar_p.
        (coordinates_in_window): Handle toolbar window.

        * keyboard.c (toolbar_items): New.
        (process_toolbar_item): New.
        (parse_toolbar_item): New.
        (init_toolbar_items): New.
        (append_toolbar_item): New.

        * dispextern.h (enum toolbar_item_idx): New.
        (enum toolbar_item_image): New.

        * frame.h (struct frame): Add toolbar-related members.

        * xfaces.c (face_at_string_position): Remove assertion that
        current_buffer == window's buffer.  This is not the case when
        called for the toolbar window.

        * frame.c (make_frame): Initialize toolbar members.

        * alloc.c (mark_object): Mark toolbar data of frames.

        * frame.h (struct frame): Add toolbar-related members
        toolbar_window, desired_toolbar_items, current_toolbar_items,
        desired_toolbar_string, current_toolbar_string,
        n_desired_toolbar_items, n_current_toolbar_items.  Add
        window_height.

        * xterm.c (x_after_update_window_line): Don't draw bitmap
        areas for pseudo-windows.
        (expose_frame): Handle toolbar window.
        (expose_window): Don't do cursor stuff for pseudo-windows.

        * xdisp.c (display_menu_bar): Correct calls to init_iterator.

1998-10-11  Gerd Moellmann  <gerd@gnu.org>

        * frame.c (make_frame): Initialize toolbar_window.

        * alloc.c (mark_object): Make the toolbar window.

        * dispnew.c (update_frame): Update frame's toolbar_window.
        (clear_current_matrices): Likewise.
        (clear_desired_matrices): Likewise.
        (adjust_frame_glyphs_for_window_redisplay): Make toolbar_window.
        (free_glyphs): Free the toolbar window and its matrices.

        * frame.h (struct frame): Add toolbar_window.

        * xterm.c (x_draw_glyph_string_relief): Handle mouse-face
        with relief.

1998-10-10  Gerd Moellmann  <gerd@gnu.org>

        * dispnew.c (buffer_posn_from_coords): Don't screw up if 
        window start is not in the range BEGV..ZV.

1998-10-09  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (try_scrolling): Experimentally handle the case
        that scroll-preserve-screen-position is set to `always'.

        * window.c (Vscroll_preserve_screen_position): Replacement for
        scroll_preserve_screen_position.

1998-10-08  Gerd Moellmann  <gerd@gnu.org>

        * dispnew.c: Don't initialize auto structs; the HP/UX compiler
        doesn't like it.
        * xdisp.c: Ditto.

        * xdisp.c (make_cursor_line_fully_visible): Adjust this_line_y.

1998-10-06  Gerd Moellmann  <gerd@gnu.org>

        * minibuf.c (Fminibuffer_complete_word): Fix computation of 
        i_byte when prompts are inserted into minibuffers.

        * dispextern.h (FRAME_INTERNAL_BORDER_WIDTH_SAFE): New.
        (WINDOW_DISPLAY_LEFT_EDGE_PIXEL_X): Use it.
        (WINDOW_DISPLAY_TOP_EDGE_PIXEL_Y): Ditto.

1998-10-04  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (make_cursor_line_fully_visible): New.
        (try_scrolling): New.
        (redisplay_window): Move scrolling code to try_scrolling.
        (make_cursor_line_fully_visible): Handle case of window too small
        to show a single line.
        (redisplay_window): Case forced window start---use
        make_cursor_line_fully_visible.
        (redisplay_window): Case cursor movement via current matrix.
        If ending up on a partially visible line, make it fully visible
        instead of recentering.
        (try_scrolling): Additional parameter scroll_smoothly.

        * xterm.c (x_draw_bitmap): Don't XClearArea under the pixmap.

1998-09-28  Gerd Moellmann  <gerd@gnu.org>

        * window.c (window_scroll_pixel_based): Bug fix: vpos used
        instead of y-position for scroll-preserved-screen-position.

1998-09-07  Gerd Moellmann  <gerd@gnu.org>

        * dispnew.c (update_frame_line): If current row is not enabled,
        write the whole line.

1998-09-06  Gerd Moellmann  <gerd@gnu.org>

        * lisp.h (HAVE_FACES): Removed.

        * dispextern.h (HAVE_FACES): Removed.

        * config.in (HAVE_FACES): Removed.

        * dispnew.c (HAVE_FACES): Removed.

        * xdisp.c (HAVE_FACES): Removed.

        * xfaces.c (HAVE_FACES): Removed.

1998-09-05  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (init_iterator): If face_change_count is non-zero,
        free realized faces.

        * xfaces.c (free_all_realized_faces): Make it externally visible.
        (Finternal_set_lisp_face_attribute): Increment
        windows_or_buffers_changed.

        * dispnew.c (direct_output_for_insert): Give up if
        face_change_count is non-zero.
        (direct_output_forward_char): Ditto.

        * xfaces.c (face_change_count): New.

1998-09-04  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (x_draw_bar_cursor): Don't draw if cursor hpos is out
        of range.

1998-09-03  Gerd Moellmann  <gerd@gnu.org>

        * term.c (Ftty_display_color_p): New.

1998-09-02  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (Ftty_defined_colors): New.

        * xterm.c (x_produce_glyphs): Fix computation of
        contains_overlapping_glyphs_p for ASCII.

        * dispnew.c (Fshow_cursor): Don't change cursor state while
        redisplaying.
        (direct_output_for_insert): If a glyph with lbearing or rbearing
        is among the new glyphs, set row flag contains_overlapping_glyph_p.

1998-09-01  Gerd Moellmann  <gerd@gnu.org>

        * term.c (OUTPUT_IF): Make replacement text have statement form.
        (OUTPUT1_IF): Ditto.
        (TS_italic_mode, TS_end_italic_mode): Removed.
        (TS_bold_mode): Removed.
        (TS_underscore_mode, TS_end_underscore_mode): Removed.
        (TS_enter_bold_mode, TS_enter_dim_mode, TS_enter_blink_mode): New.
        (TS_enter_reverse_mode): New.
        (TS_enter_underline_mode, TS_exit_underline_mode): New.
        (TN_magic_cookie_glitch_ul): New.
        (TS_enter_alt_charset_mode, TS_exit_alt_charset_mode): New.
        (TS_exit_attribute_mode): New.
        (TN_max_colors, TN_max_pairs, TS_orig_pairs): New.
        (TS_set_foreground, TS_set_background): New.
        (reset_terminal_modes): Switch colors back to default.
        (write_glyphs): Turn face on before writing text, turn it off
        afterwards.
        (insert_glyphs): Ditto.
        (term_init): Initialize new terminal capability variables.
        (turn_on_face): Turn a face on.
        (turn_off_face): Turn a face off.

        * lisp.h (MAKE_GLYPH): Remove test for frame type.
        (GLYPH_CHAR): Ditto.
        (GLYPH_FACE): Ditto.

        * xfaces.c (Vface_tty_color_alist): New.
        (face-register-tty-color): New.
        (face-clear-tty-colors): New.

        * dispextern.h (FACE_TTY_DEFAULT_COLOR): New.
        (struct it): Remove member faces_p since we now always have faces.

1998-08-31  Gerd Moellmann  <gerd@gnu.org>

        * dispextern.h (struct face): Add tty appearance flags.

        * xdisp.c (init_iterator): Always handle faces.
        (extend_face_to_end_of_line): Handle tty frames.

        * dispnew.c (clear_glyph_matrix): Allow a null matrix to be
        passed in.

1998-08-30  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (realize_default_face): Use empty strings to indicate
        that the face should use the default foreground/background
        color of the terminal.  Fill font-related attributes with 
        appropriate values for tty frames.

        * emacs.c (main): Call syms_of_xfaces before init_window_once.

        * xfaces.c (realize_default_face): If face `default' is not
        yet known, create it.

        * frame.c (make_terminal_frame): Call init_frame_faces
        unconditionally.

        * xfaces.c (init_frame_faces): Make it work for tty frames.
        (free_frame_faces): Ditto.
        (clear_face_cache): Ditto.
        (recompute_basic_faces): Ditto.
        (Fframe_face_alist): Ditto.
        (free_realized_face): Ditto.
        (prepare_face_for_display): Ditto.
        (clear_face_gcs): Ditto.
        (lookup_face): Ditto.
        (smaller_face): Ditto.
        (realize_default_face): Ditto.
        (realize_face): Ditto.
        (realize_face): Dispatch to functions depending on the frame type.
        (realize_x_face): X way of realizing faces.
        (realize_tty_face): TTY way of realizing faces.

1998-08-29  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (realize_face): Remove parameter unibyte_registry,
        compute it instead.
        (lookup_face): Remove local variable unibyte_registry.

1998-08-22  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (x_draw_glyph_string_relief): Draw top and bottom lines
        1 pixel longer.

        * xdisp.c (face_before_or_after_it_pos): Fix computation 
        of face in buffer.

        * editfns.c (make_buffer_string_both): If prompt in buffer,
        prevent start > end.

        * indent.c (Fvertical_motion): Set current_buffer to window's
        buffer if it isn't already.

1998-08-21  Gerd Moellmann  <gerd@gnu.org>

        * dispextern.h (GLYPH_DEBUG): Use default 0.

        * xdisp.c (it_props): New member `smaller'.
        (init_iterator): Initialize it.
        (Qsmaller): New.
        (push_it): Save value of `smaller' value on the stack.
        (pop_it): Restore `smaller' from the stack.
        (handle_smaller_prop): New.
        (handle_face_prop): Use `smaller' text property to select a
        suitable face.

        * dispextern.h (SMALLER_PROP_IDX): New.
        (struct it): Add member `smaller'.

        * xfaces.c (smaller_face): New.

        * frame.h (FRAME_WINDOW_WIDTH_ARG): Add bitmap area widths.

        * dispnew.c (allocate_matrices_for_window_redisplay): Compute
        total pixel width of window differently.

        * xdisp.c (init_iterator): Compute width of mode line differently.

        * dispextern.h (WINDOW_DISPLAY_PIXEL_WIDTH): Subtract width
        of bitmap areas.

        * window.c (Fsplit_window): Include width of bitmap areas in
        window width.
        (window_internal_width): Subtract width of bitmap areas from
        total width.

1998-08-18  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c: Functions reordered for better readability.

        * dispnew.c (update_text_area): Handle glyphs with arbitrary
        lbearing.
        (update_window_tree): Parameter no_scrolling_p removed.
        (update_single_window): Ditto.

        * xterm.c (x_get_char_font_and_encoding): Renamed to
        x_get_char_face_and_encoding.

        * dispnew.c (update_text_area): Don't call get_glyph_overhangs
        if end of current row reached.

        * xterm.c (x_get_glyph_face_and_encoding): New.
        (x_get_glyph_overhangs): Call it.

        * xdisp.c (Qshow_trailing_whitespace): New.
        (Qtrailing_whitespace): New.
        (enum prop_handled): New.
        (struct props, it_props): New.
        (next_overlay_change): New.  Works like Fnext_overlay_change
        but doesn't use xmalloc.
        (handle_stop): Restructured.
        (face_before_or_after_it_pos): Case iteration over a string: fix
        handling of face before current position.

1998-08-16  Gerd Moellmann  <gerd@gnu.org>

        * dispnew.c (adjust_glyph_matrix): Don't optimize matrix
        reallocation matrix if fonts_changed_p.
        (update_text_area): Handle glyphs with lbearing.

1998-08-14  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (struct props): New.
        (it_props): New.
        (compute_prop_info): New.
        (handle_stop): New.

        * textprop.c (validate_interval_range): Make it externally
        visible.

        * dispnew.c (direct_output_for_insert): Remove calls
        to compute_stop_pos.

        * dispextern.h (struct it): Remove check_charpos,
        next_overlay_pos.  Add what_changes.

1998-08-10  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (note_mouse_highlight): Set BEGV_BYTE, ZV_BYTE.

        * xfaces.c (Vx_unibyte_registry_and_encoding): Removed.  Use
        face_default_registry instead.

        * syntax.c (scan_sexps_forward): Set up syntax table before
        jumping to initial state label.

1998-08-09  Gerd Moellmann  <gerd@gnu.org>

        * dispnew.c (check_matrix_invariants): Handle case of row end pos
        >= ZV specially.

1998-08-08  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (redisplay_window): Case cursor movement---if cursor
        ends up in partially visible row, try to scroll.  Case forced
        window start---handle windows not tall enough to show a single
        line.

        * window.h (struct window): Member dy renamed vscroll.

        * xterm.c (x_list_fonts): Re-activate suppression of scalable
        fonts.
        (x_draw_stretch_glyph_string): Set clipping if using GC that
        hasn't set it yet.

        * xdisp.c (redisplay_window): Case forced window start -
        don't let cursor end on partially visible row.  Use desired
        matrix to find a suitable PT if it doesn't appear.
        (decode_mode_spec): Merged with 20.2.97.
        (try_window_reusing_current_matrix): Give up if old or
        new display is vscrolled.
        (redisplay_window): Reset vscrolling if forced window start,
        or if recentering.

1998-08-06  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (realize_default_face): Use the fontset name instead of
        the alias for the family attribute of the default face because we
        can't easily determine a good alias from fontset-alias-alist.
        (face_fontset): Use Fquery_fontset to find the fontset.
        (font_list): Additional pattern parameter.
        (try_font_list): Ditto.
        (set_lface_from_font_name): Set face family from font foundry
        and family.
        (font_list): If family contains a hyphen, build pattern differently.

1998-08-05  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (free_realized_faces): Increment windows_or_buffers_-
        changed instead of setting the frame garbaged.

        * xfaces.c (lface_equal_p): Don't assume equal Lisp types for
        all attribute values.  This is wrong if values are unspecified,
        i.e. nil.

        * xdisp.c (try_window_id): Give up if window start changed.

        * xfaces.c (make_realized_face): Store registry as Lisp object.
        (load_face_font_or_fontset): Compute registry of a face
        differently.  Make it `eq' to Vx_unibyte_registry_and_encoding if
        possible.

        * dispextern.h (FACE_SUITABLE_FOR_CHARSET_P): Compare registries
        differently.

        * alloc.c (mark_face_cache): Mark the registry member of faces.

        * dispextern.h (struct face): Make registry a Lisp string.

1998-08-04  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (x_get_char_font_and_encoding): Additional parameter
        multibyte_p.  Handle unibyte text.
        (x_append_glyph): Set the multibyte_p flag of glyphs.
        (x_produce_image_glyph): Ditto.
        (x_append_stretch_glyph): Ditto.
        (x_produce_glyphs): Handle unibyte text like ASCII.

        * xdisp.c (push_it): Save the multibyte flag of an iterator on the
        stack.
        (pop_it): Restore it.
        (face_before_or_after_it_pos): Handle the case that the string or
        buffer is unibyte.
        (get_overlay_strings): Set the multibyte flag of the iterator if
        the new overlay string is multibyte.
        (get_glyph_property): Likewise.
        (get_next_display_element): Don't check for charset changes in
        unibyte text.
        (append_space): Compute face differently for unibyte text.
        (extend_face_to_end_of_line): Don't return quickly if face has
        stipple.

        * xfaces.c (load_face_font_or_fontset): Store registry and
        encoding of the font in the registry member of the face.
        (make_realized_face): Additional parameter `registry'.
        (free_realized_face): Free the registry of a realized face.
        (face_suitable_for_charset_p): Function form of the macro
        with the same name in uppercase.
        (lookup_face): Use Vx_unibyte_registry_and_encoding if charset < 0.
        (choose_face_font): New parameter unibyte_registry.
        (choose_face_fontset_font): Ditto.
        (realize_default_face): Remember the registry and encoding of
        the specified frame font in Vx_unibyte_registry_and_encoding.
        (face_at_buffer_position): Handle unibyte.
        (face_at_string_position): Likewise.
        (realize_face): New parameter unibyte_registry.  
        (compute_char_face): Handle the unibyte case.

        * dispextern.h (struct glyph): Add bit multibyte_p.
        (struct face): New member registry holding the registry and
        encoding of the X font of the face.
        (FACE_UNIBYTE_P): Value is non-zero if face is for unibye text.
        (enum face_id): Add BASIC_FACE_ID_SENTINEL.
        (FACE_SUITABLE_FOR_CHARSET_P): Handle charset < 0 meansing unibyte
        text.
        (struct iterator_stack_entry): Add multibyte_p.

        * xdisp.c (string_pos): Use string_char_to_byte.
        (char_charset): Removed.

1998-08-03  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (x_draw_image_glyph_string_foreground): Draw a
        rectangle for a block cursor over an image without a mask.
        (x_stretch_block_cursor): Added.  Non-zero means don't draw
        a block cursor over a stretch as wide as that stretch.
        (x_draw_stretch_glyph_string): Use it.
        (x_draw_hollow_cursor): Ditto.

        * minibuf.c (read_minibuf): Use minibuf_prompt instead of prompt.
        (read_minibuf): Add front-sticky text property for prompt.

        * xdisp.c (char_charset): Return charset of a character,
        depending on whether or not multi-byte characters are enabled.

        * xfaces.c (Fset_face_charset_registry): Removed.
        (x_charset_registry): Determine registry from charset plist.

1998-08-02  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (get_next_display_element): Don't check for charset
        changes if multi-byte characters are not enabled.
        
        * xdisp.c (echo_area_display): Use the flush function from the
        redisplay interface.  
        * keyboard.c (detect_input_pending_run_timers): Likewise.

        * dispextern.h (produce_*glyphs_hook): Removed.
        * term.c (produce_*glyphs): Ditto.
        (cursor_to): Remove pixel position parameters.

        * dispnew.c: Remove hooks for window-based redisplay, introduce
        a redisplay interface structure.

        * xterm.c (x_per_char_metric): Return default char metrics if per
        char metric exists but contains a zero width.  Adobe Courier seems
        to contain such characters.

        * xdisp.c (compute_line_metrics): Compute the width of rows
        without stopping at glyphs with zero width.

1998-08-01  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (display_mode_line): If nothing was displayed at all,
        display a space.
        (hscroll_window_tree): Don't subtract 1 from target point if equal
        to ZV and window is not the selected window.

        * dispnew.c (check_matrix_invariants): Remove check for window
        start at BEGV or after newline.  This happens in rare cases
        intentionally.

1998-07-31  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (x_charset_registry): Use STRING_BYTES.
        (syms_of_xfaces): Add Vface_default_registry.
        (x_charset_registry): Use it.

        * xdisp.c (run_window_scroll_functions): Run window scroll functions.
        (redisplay_window): Use it.

        * dispnew.c (update_text_area): Handle lbearing of deleted text
        by backing up one character.

1998-07-30  Gerd Moellmann  <gerd@gnu.org>

        * dispnew.c (adjust_glyph_matrix): Use a different check to 
        decide to do nothing.

        * xfaces.c (face_at_string_position): Additional parameter
        mode_line_p.  If non-zero, merge with the mode line face
        instead of the default face.
        * dispextern.h (struct it): Add mode_line_p.
        * xdisp.c (init_iterator): Set it.
        (compute_face_in_string): Use it.
        (face_before_or_after_it_pos): Handle strings.
        (get_next_display_element): Don't look for relief end in C strings.
        (next_element_from_string): Deliver string position instead of
        buffer position.

        * xterm.c (x_flush): Flush X output buffer.
        (XTflash): Use it.

        * xfaces.c (lface_from_face_name): Renamed from lface_from_symbol.
        Allow strings as face names.

        * xfns.c (forall_images_in_image_cache): Check that frame is
        alive.

        * widget.c (EmacsFrameDestroy): Remove call to free_frame_faces;
        it's also called from x_destroy_window.  Since this function is
        called from X, freeing stuff allocated with xmalloc is dangerous
        here, anyway.

        * xfaces.c (free_realized_faces): Don't clear current matrices
        of a frame being destroyed.

        * frame.c (make_frame): Call set_window_buffer instead of 
        Fset_window_buffer.

        * window.c (set_window_buffer): Extracted from Fset_window_buffer,
        with an additional argument specifying whether or not hooks may
        be called.
        (Fset_window_buffer): Call it.

        * dispnew.c (clear_desired_matrices): Check that frame has
        a valid root window before clearing matrices in the window tree.
        (clear_current_matrices): Ditto.
        (clear_window_matrices): If GLYPH_DEBUG, check that hchild and
        vchild are valid windows if not nil.

        * xfaces.c (merge_face_vector_with_property): Allow :reverse-video
        for :inverse-video.
        (Finternal_set_lisp_face_attribute): Ditto.
        (Finternal_set_lisp_face_attribute_from_resource): Ditto.
        (Finternal_get_lisp_face_attribute): Ditto.
        (Finternal_lisp_face_attribute_values): Ditto.
        (syms_of_xfaces): Define the symbol `:reverse-video'.

        * xdisp.c (get_glyph_property): Renamed from
        fill_iterator_from_glyph_property.
        (next_element_from_buffer): Handle case that no `glyph' property
        was found correctly.
        (display_line): Extend face to end of line only if we have faces.

1998-07-29  Gerd Moellmann  <gerd@gnu.org>

        * dispnew.c (Fshow_cursor): Renamed from blink_cursor.  Take
        additional window argument.

        * xdisp.c (reseat_at_previous_visible_line_start): Renamed from
        set_iterator_to_previous_visible_line_start.
        (reseat_at_next_visible_line_start): Likewise.
        (compute_stop_pos): Renamed from set_iterator_stop_pos.
        (face_before_or_after_it_pos): Renamed from get_face_at_it_pos.
        (compute_face_in_buffer): Renamed from
        compute_face_at_iterator_position.
        (compute_face_in_string): Renamed from
        compute_face_at_iterator_string_position.
        (get_space_width): Renamed from get_iterator_space_width.
        (next_overlay_string): Renamed from
        set_iterator_to_next_overlay_string.
        (get_overlay_strings): Renamed from
        get_overlay_strings_at_iterator_position.
        (restore_overlay_strings): Renamed from
        setup_overlay_strings_from_glyph_pos.
        (restore_dpvec): Renamed from setup_iterator_dpvec_from_glyph_pos.
        (init_from_display_pos): Renamed from init_iterator_from_glyph_pos.
        (init_to_row_start): Renamed from init_iterator_to_row_start.
        (init_to_row_end): Formerly init_iterator_to_next_row_start.

        * xterm.c: Merge with 20.2.97.
        (x_produce_glyphs): Use x_append_stretch_glyph for tabs.

        * dispextern.h (struct glyph): Replace text_pos position with
        simple charpos.

        * xdisp.c (this_line_start_pos): Use struct text_pos.
        (this_line_end_pos): Renamed from .*endpos; use struct text_pos.
        (enum move_it_result): Renamed from move_iterator_result.
        (string_pos_nchars_ahead): Compute text_pos in a string from a
        known text_pos plus a character delta.
        (string_pos): Compute text_pos in string from charpos.
        (c_string_pos): Likewise for a C string.
        (number_of_chars): Return number of characters in a possibly
        multi-byte C string.
        (check_it): Renamed from check_iterator.  Check that charpos and
        bytepos are in sync.
        (push_it): Renamed from save_iterator_settings.
        (pop_it): Renamed from restore_iterator_settings.
        (move_it_.*): Renamed from move_iterator_.*.
        (charset_at_position): Take charpos/bytepos into account.
        (back_to_previous_line_start): Set iterator to previous line start.
        (forward_to_next_line_start): Set iterator to next line start.
        (back_to_previous_visible_line_start): Renamed from 
        move_iterator_previous_visible_line_start.
        (set_iterator_to_next_visible_line_start): Handle charpos/bytepos.
        (get_face_at_it_pos): Renamed from get_face_from_cursor_pos.
        Handle charpos/bytepos.
        (compute_face_at_iterator_position): Handle charpos/bytepos.
        (compute_face_at_iterator_string_position): Likewise.
        (get_iterator_space_width): Likewise.
        (load_overlay_strings): Likewise.
        (get_overlay_strings_at_iterator_position): Likewise.
        (reseat_iterator): Take a text_pos position argument.
        (setup_iterator_overlay_strings_from_glyph_pos): Handle charpos/
        bytepos.
        (init_iterator): Take additional bytepos parameter.
        (reseat_iterator_to_string): Handle charpos/bytepos.
        (start_display): Take a text_pos parameter.  Handle charpos/bytepos.
        (next_element_from_string): Handle charpos/bytepos.
        (next_element_from_c_string): Likewise.
        (fill_iterator_from_glyph_property): Likewise.
        (next_element_from_buffer): Likewise.
        (set_iterator_to_next): Increment charpos and bytepos of an iterator.
        (move_iterator_in_display_line_to): Handle charpos/bytepos.
        (move_it_to): Likewise.
        (move_it_vertically_backward): Likewise.
        (move_it_vertically): Likewise.
        (move_it_by_lines): Likewise.
        (hscroll_window_tree): Likewise.
        (redisplay_internal): Likewise.
        (set_cursor_from_row): Likewise.
        (redisplay_window): Likewise.
        (try_window): Take a text_pos parameter.  Handle charpos/bytepos.
        (try_window_reusing_current_matrix): Handle charpos/bytepos.
        (get_first_unchanged_at_end_row): Compute and return delta_bytes.
        (try_window_id): Handle charpos/bytepos.
        (Ftrace_redisplay_toggle): Return Qnil.
        (get_overlay_arrow_glyph_row): Handle charpos/bytepos.
        (insert_left_trunc_glyphs): Likewise.

        * dispnew.c: `Merge' with 20.2.97 (it's really too different to
        do a real merge).
        (increment_glyph_matrix_buffer_positions): Add parameter delta_bytes.
        (increment_glyph_row_buffer_positions): Ditto.
        (copy_glyph_row_contents): Ditto.
        (check_matrix_invariants): Add additional checks for charpos/
        bytepos consistency.
        (direct_output_for_insert): Changed for charpos/bytepos.
        (buffer_posn_from_coords): Likewise.  Put code dealing with 
        `direction-reversed' in #if 0.

        * xterm.h: Merge with 20.2.97.
        
        * frame.h: Merge with 20.2.97.

        * window.h: Merge with 20.2.97.  Add window_end_bytepos.

        * dispextern.h (MATRIX_ROW_START_CHARPOS): Get charpos of a row
        start.
        (MATRIX_ROW_START_BYTEPOS): Likewise for the byte position.
        (MATRIX_ROW_END_CHARPOS): Likewise for the row end.
        (MATRIX_ROW_END_BYTEPOS): Likewise for the row end byte position.
        (struct it): Various members renamed from .*pos to .*charpos.
        (IT_CHARPOS): Access current buffer character position of an
        iterator.
        (IT_BYTEPOS): Access current buffer byte position of an iterator.
        (IT_STRING_CHARPOS): Access current string character position of
        an iterator.
        (IT_STRING_BYTEPOS): Access current string byte position of
        an iterator.
        (globally): Add function prototypes from 20.2.97.

        * everywhere: Use P_ instead of PROTO for function prototypes
        because everyone else seems to use P_.

        * dispextern.h (struct text_pos): Structure describing a charpos/
        bytepos position in text.
        (BYTEPOS): Access the byte position part of a text_pos.
        (CHARPOS): Likewise for the character position.
        (SET_TEXT_POS): Set a text_pos from a character and byte position.
        (INC_TEXT_POS, DEC_TEXT_POS): Increment/decrement a text position.
        (SET_TEXT_POS_FROM_MARKER): Set a text_pos from a marker.
        (SET_MARKER_FROM_TEXT_POS): Set a marker from a text_pos.
        (TEXT_POS_EQUAL_P): Compare two text_pos structures for equality.
        (struct display_pos): Renamed from glyph_pos. Use struct text_pos
        for buffer and string positions.
        (struct glyph): Use text_pos.
        (struct it): Renamed from display_iterator.  Use text_pos.

1998-07-23  Gerd Moellmann  <gerd@gnu.org>

        * xfns.c (x_kill_gs_process): Get image colors from XImage of a
        pixmap.

1998-07-21  Gerd Moellmann  <gerd@gnu.org>

        * dispextern.h (struct glyph_row): New flag indicate_zv_line_p.
        * xterm.c (x_draw_row_bitmaps): Use it.
        * dispnew.c (row_equal_p): Ditto.
        (update_window_line): Ditto.

        * xfns.c (prepare_image_for_display): Don't set loading_failed_p
        flag of images.

        * dispextern.h (struct image): Removed member loading_failed_p.
        It's probably better to have the chance to try to load an image
        again.

1998-07-20  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (x_draw_bitmap): Draw bitmap for empty lines ending
        at ZV if `indicate-zv-lines' is non-nil.
        (x_draw_row_bitmaps): Compute bitmap for `indicate-zv-lines'.

        * dispnew.c (row_equal_p): Compare displays_text_p and
        ends_at_zv_p flags of rows.
        (update_window_line): Ditto.

        * buffer.h (struct buffer): New member indicate_zv_lines.

        * buffer.c (init_buffer_once): Add default for `indicate-zv-lines'.
        (init_buffer_once): New variable `default-indicate-zv-lines'.
        (syms_of_buffer): New buffer-local varianle `indicate-zv-lines'.

        * xdisp.c (redisplay_window): Don't try moving the cursor
        if current glyph row w->last_cursor.vpos isn't enabled.

        * xterm.c (bitmap_type): Add ZV_LINE_BITMAP.

        * window.c (Fset_window_vscroll): Allow only negative scroll
        values.  Others don't seem to make sense, and this way it's easy
        to restore a vscroll of zero.

        * xterm.c (x_inverted_image_mask): Check that pixmap could be
        allocated.
        (x_draw_image_glyph_string_background): Don't clip if pixmap
        could not be created.

        * xfns.c (xbm_load_image_from_file): Check that pixmap could
        be created.
        (xbm_load): Ditto.
        (gs_load): Ditto.

        * xterm.c (x_get_glyph_overhangs): Take image and stretch
        glyphs into account.

        * xfaces.c (realize_default_face): Don't set font family of
        the default face from the fontset alias name for `fontset-startup'.

        * xfns.c (gs_load): Pass frame's pixel foreground and background
        color to the Lisp loader.

1998-07-19  Gerd Moellmann  <gerd@gnu.org>

        * xfns.c (tiff_image_p, tiff_load): Support TIFF images via
        libtiff34.

        * configure.in (--with-tiff, HAVE_TIFF): Added.

        * config.in (HAVE_TIFF): Added.

        * Makefile.in (LIBTIFF): Added.

        * xfns.c (jpeg_image_p, jpeg_load): Support JPEG images.

        * Makefile.in (LIBJPEG): Added.

        * xfns.c (resource_types): Enumerators renamed to RES_TYPE_NUMBER,
        RES_TYPE_BOOLEAN etc. because of conflict of `boolean' with
        jpeglib.h.

        * configure.in (HAVE_JPEG, --with-jpeg): Added.  On systems 
        where the library is installed in /usr/local/lib, e.g. FreeBSD,
        configure must be run with `--x-includes=/usr/X11R6/include:
        /usr/local/include --x-libraries=/usr/X11R6/lib:/usr/local/lib'.

1998-07-18  Gerd Moellmann  <gerd@gnu.org>

        * config.in (HAVE_JPEG): Added.

        * xfns.c (ct_init): Initialize color table used to map RGB colors
        from images to X pixel colors.
        (ct_free): Free color table.
        (ct_lookup): Look an RGB color up.
        (ct_allocated_colors): Get vector of allocated colors.
        (pbm_image_p): Test if image specification is a valid PPM 
        image specification.
        (pbm_scan_number): Scan a decimal ASCII number from a file.
        (pbm_load): Load a PPM image.

        * window.c (Fset_window_vscroll): Adjust glyph matrix if
        necessary.  Take canonical character units as parameter.
        (Fwindow_vscroll): Return canonical character units.

        * dispnew.c (allocate_matrices_for_window_redisplay): Add negative
        w->dy to display height for which glyph rows must be allocated.

1998-07-17  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (face_at_string_position): Merge in region face
        so that it won't overwrite the font in the region.
        (face_at_buffer_position): Ditto.
        (realize_basic_faces): Don't realize region face.

        * dispextern.h (enum face_id): REGION_FACE_ID removed.

        * xterm.c (x_set_glyph_string_background_width): Don't let
        cursor face extend to end of line.

        * xdisp.c (append_space): If adding space of default face,
        make sure glyph ist produced with right face.

        * xterm.c (x_clear_glyph_string_rect): Draw a rectangle in the
        background color of a glyph string.
        (x_draw_glyph_string_background): Call it.
        (x_draw_glyph_string_bg_rect): Ditto.
        (x_draw_stretch_glyph_string): Ditto.

1998-07-15  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (init_iterator): Initialize it->current_y to the
        window's vscroll w->dy.

        * window.c (Fwindow_vscroll): Return number of pixels window
        is vscrolled smoothly.
        (Fset_window_vscroll): Set the number.

        * xdisp.c (move_iterator_to): Recognize case MOVE_TO_POS and
        to_pos in truncated part of a line.

1998-07-14  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (move_iterator_in_display_line_to): If very first glyph
        doesn't fit on the line, truncate it, despite truncate_lines nil.
        (display_line): Ditto.

        * xfns.c: Experimental support for Ghostscript images.

        * xterm.c (x_term_init): Initialize new atoms DONE and PAGE.
        (XTread_socket): React on events from Ghostscript.
        (expose_frame): If width or height are zero, redraw entire frame.
        (XTread_socket): Call expose_frame after receiving event from
        Ghostscript.

        * xterm.h (struct x_display_info): Add atoms DONE and PAGE
        for Ghostscript support.

        * xdisp.c (redisplay_internal): Return quickly if called
        recursively.

        * alloc.c (NSTATICS): Increased to 1024.

1998-07-08  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (x_append_stretch_glyph): Append a stretch glyph to an
        iterator's glyph row.
        (x_produce_stretch_glyph): Call it.
        (x_produce_glyphs): Handle `space-width' property; call
        x_append_stretch_glyph.

        * xdisp.c (syms_of_xdisp): Add symbol `space-width' used as a text
        property.
        (get_iterator_space_width): Determine value of `space-width'
        property at iterator's position.
        (reseat_iterator): Call it.
        (next_element_from_string): Ditto.
        (next_element_from_buffer): Ditto.
        (init_iterator): Initialize space_width of iterator.
        (redisplay_internal): Don't goto end_of_redisplay if PT hasn't
        moved, but cursor blinks.
        (redisplay_internal): Set w->last_cursor_off_p after update.

        * dispextern.h (enum iterator_prop_idx): Add SPACE_WIDTH_PROP_IDX.
        (struct display_iterator): Add new member space_width.

        * window.h (struct window): Add last_cursor_off_p.

1998-07-07  Gerd Moellmann  <gerd@gnu.org>

        * Saved.

        * window.c (Fpos_visible_in_window_p): Case window not up to
        date---return nil if iterator hasn't reached position.

1998-07-06  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (text_outside_line_unchanged_p): Fix case that
        overlays have changed.
        (redisplay_window): Case cursor movement.  Don't try it if
        last_cursor.vpos is out of range.

        * xdisp.c (set_cursor_from_row): Set this_line_.* variables.  This
        way, the display optimization for the line containing the cursor
        is used more frequently, esp. when we have a blinking cursor.
        (display_line): Don't set this_line_.* variables.

        * xterm.c (x_redraw_cursor): Removed.
        (x_display_and_set_cursor): Set cursor type depending on
        cursor_off_p flag of window.

        * dispnew.c (redraw_cursor_hook): Removed.
        (Fblink_cursor): Additional parameter on_p to set the cursor_off_p
        member of the selected window.

        * xfaces.c (Fface_font): Added for compatibility with 20.2.

        * xterm.c (x_y_to_hpos_vpos): Return null if not over text.
        Return glyph area under x/y.
        (note_mouse_highlight): Use x_y_to_hpos_vpos in its new form.

        * keyboard.c (detect_input_pending_run_timers): Call gobble_input
        after redisplaying.

1998-07-05  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (text_outside_line_unchanged_p): Test if changes
        are all outside of a line of text.
        (redisplay_internal): Use it.

1998-06-30  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (next_element_from_buffer): After skipping over
        invisible text, look for the `glyph' property.
        (set_iterator_stop_pos): Ignore check positions in front
        of an iterator's current position.

        * xterm.c (show_mouse_face): Don't act on rows that don't exist
        anymore or which are marked as not having valid contents.

        * xfaces.c (Finternal_set_lisp_face_attribute): Don't free
        realized faces if new attribute value is equal to old value.

1998-06-29  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (Finternal_make_lisp_face): Increment
        lface_id_to_name_size when lface_id_to_name is reallocated.

1998-06-27  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (set_iterator_stop_pos): Compute initial stop_pos
        as minimum of endpos and overlay_pos.
        (load_overlay_strings): Set next_overlay_pos of iterator to
        -1 if we don't have to check for more overlay strings.

1998-05-09  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (set_iterator_to_next_visible_line_start): Don't
        do anything if iterator is at ZV because scan_buffer doesn't
        work otherwise.

        * xterm.c (x_encode_char): Inline it.
        (x_get_char_font_and_encoding): Simplified.
        (x_per_char_metric): Inline it.

        * xterm.c (x_draw_glyph_string_relief): Use clipping.

        * xdisp.c (get_next_display_element): Check for end of relief
        face moved here from next_element_from_buffer.

        * xterm.c (x_produce_image_glyph): Add relief thickness.
        (x_produce_stretch_glyph): Ditto.

1998-05-08  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (fill_iterator_from_glyph_property): Handle glyph
        property value (space :width WIDTH :height HEIGHT :ascent ASCENT).

        * xterm.c (x_produce_stretch_glyph): Produce a stretch glyph
        from a glyph property.
        (x_produce_glyphs): Use it.

        * xdisp.c (set_iterator_to_next): Handle next_element_from_stretch.

        * xterm.c (x_produce_image_glyph): Add to current_x only if 
        in text area.
        (x_produce_glyphs): Ditto.

        * xdisp.c (display_line): Compute row height from glyphs in 
        marginal areas.

        * xterm.c (x_draw_image_glyph_string_background): Draw 
        background of an image glyph string.
        (x_draw_glyph_string_bg_rect): Draw a rectangular region of 
        the background of a glyph string.
        (x_draw_image_glyph_string_foreground): Draw the foreground of
        an image glyph string.
        (x_inverted_image_mask): Return the inverted mask of an image.

        * xfns.c (x_draw_image): Removed.

        * dispextern.h (struct image_type): Remove drawing function.

        * xfaces.c (load_face_colors): Swap colors if face is inverse.

        * xdisp.c (get_next_display_element): In marginal areas, translate
        newlines, tabs, etc. like normal control characters.

        * xfaces.c (Fface_color_supported_p): Transpose parameters frame
        and color.
        (free_realized_faces): Set frame garbaged.

        * xfaces.c (syms_of_xfaces): Add defsubr for
        internal-lisp-face-attribute-values.

1998-05-07  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (x_produce_image_glyph): Don't add glyph if area is
        full.
        (x_produce_image_glyph): Set IT->nglyphs to 1.
        (x_draw_image_glyph_string): Use inverted mask to draw background.

        * dispextern.h (struct image_type): Additional clipping rect
        parameters for drawing functions.

        * xterm.c (x_get_glyph_string_clip_rect): Get clip rect for 
        a glyph string.
        (x_draw_image_glyph_string): Use it and pass the rect to the
        image drawing function.

        * xdisp.c (fill_iterator_from_glyph_property): Use position of
        first character with `glyph' property as image position.  Set
        iterator back to that position as long as the image hasn't been
        consumed with set_iterator_to_next.
        (set_cursor_from_row): Accept when glyph with given position is
        not found in the row.  Set cursor x to end of line in that case,
        so that we can hscroll.
        (redisplay_internal): Correct computation of delta by which
        positions have changed in redisplay optimization for cursor
        row of selected window.

        * xdisp.c (display_line): Remove start_pos.
        (display_line): Fix bug preventing display optimization for 
        cursor line of selected window.
        (next_element_from_buffer): Avoid XSETBUFFER, use it->w->buffer
        instead.

        * dispnew.c (update_text_area): Use GLYPH_EQUAL_P.
        (update_text_area): Take glyph pixel width into account
        when trying to find a resync point.
        (row_equal_p): Compare glyphs in all areas.

1998-05-06  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (x_produce_glyphs): Don't add glyph if area is full.

        * dispextern.h (struct glyph_row): Use unsigned hash value.

        * xdisp.c (display_line): Simplified and made faster by setting
        the cursor with set_cursor_from_row.
        (set_cursor_from_row): Handle rows of desired matrix.

1998-05-05  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (set_cursor_from_row): Don't put cursor on glyphs
        with type != CHAR_GLYPH.
        (fill_iterator_from_glyph_property): Return void.  Set
        method to next_element_from_image.
        (next_element_from_image): Dummy function for delivering a
        single image id.
        (set_iterator_to_next): Add method next_element_from_image.
        (redisplay_window): When recentering, and cursor vpos is -1
        after display, assume middle of window is in first line displayed
        in window, and display again.
        (fill_iterator_from_glyph_property): Assign image glyph 
        the position of the first character having the glyph property.

        * dispextern.h (IMAGE_ASCENT): Compute ascent of image.
        * xfns.c (x_draw_image): Use it.
        * xterm.c (x_produce_image_glyph): Use it.

        * xterm.c (x_produce_image_glyph): Set iterator's pixel_width.

        * Makefile.in: Extraneous #define of LIBXPM removed.

        * xterm.c (x_produce_glyphs): Produce a STRETCH_GLYPH for tabs.
        (x_fill_stretch_glyph_string): Fill a glyph string from a 
        stretch glyph.
        (x_compute_glyph_string_overhangs): Compute overhangs only
        for text glyph strings.
        (x_draw_stretch_glyph_string): Draw a stretch glyph string.
        (x_draw_glyph_string): Call it.

        * dispextern.h (glyph_type): Add STRETCH_GLYPH.
        (struct glyph): Add sub-structure for stretchable glyphs.
        (GLYPH_EQUAL_P): Compare glyph type and u.val.

        * xdisp.c (get_overlay_arrow_glyph_row): Put face code into
        #ifdef HAVE_FACES.

        * xterm.c (x_produce_glyphs): Use ASCII face for spaces of a TAB.

        * xdisp.c (fill_iterator_from_glyph_property): Renamed from
        setup_iterator_from_glyph_property.  Don't do it for terminal
        frames.

        * xterm.c (x_produce_image_glyph): Produce glyph for image
        that can't be loaded.

        * xfns.c (lookup_image): If image can't be loaded, set its
        width and height so that we can draw a rectangle.
        (x_draw_image): Draw a rectangle for images that don't have
        a pixmap.
        (make_image): Set hash value.
        (image_spec_equal_p): Use image_spec_value.

        * xterm.c (expose_frame): Don't try to redraw if basic faces
        haven't benn realized yet.
        (x_draw_image_glyph_string): Fill background only if image 
        is not as tall as row.

1998-05-04  Gerd Moellmann  <gerd@gnu.org>

        * Makefile.in (LIBXPM): If not already defined, define to -lXpm.
        (LIBX)[HAVE_X11]: Add LIBXPM.

        * xfns.c (xpm_image_p): Implementation of image type functions
        for XPM.
        (xpm_load): Ditto.

        * dispextern.h (struct image): Add mask pixmap for XPM.

        * xfns.c (x_draw_image): Handle images with masks.

        * configure.in: --with-xpm added.  Code detecting -lXpm added.

        * config.in: Add HAVE_XPM.

        * xfns.c (xbm_draw): Removed.
        (x_draw_image): Default implementation for drawing images.
        (xbm_keyword_index): Remove XBM_DEPTH.
        (xbm_format): Remove `:depth'.
        (xbm_image_spec_from_file): Removed to reduce consing.
        (xbm_load_image_from_file): Added for the same reason. 

        * xterm.c (x_fill_image_glyph_string): Don't set ybase of 
        glyph string.
        (x_draw_image_glyph_string): Pass ybase to image draw function.

        * xfns.c (make_image): Set default baseline.

        * xterm.c (x_produce_image_glyph): Compute ascent of image
        from its height and baseline percentage.

        * xfns.c (xbm_keyword_index): Add XBM_BASELINE.
        (xbm_format): Add description for `:baseline'.
        (xbm_image_spec_from_file): Add keywords from original spec to
        result.
        (xbm_load): Set baseline of image.
        (xbm_image_p): Check range for baseline.

        * dispextern.h (struct image): Add member baseline.

        * xdisp.c (dump_glyph_matrix): Handle image glyphs.

        * term.c (produce_glyphs): Change assertion to allow DISP_IMAGE.

        * xdisp.c (get_next_display_element): Do character translations
        only if delivering characters.

1998-05-03  Gerd Moellmann  <gerd@gnu.org>

        * dispextern.h (ITERATOR_AT_END_OF_LINE_P): Test for 
        DISP_CHARACTER.

        * xterm.c (x_produce_image_glyph): Poduce image glyphs.
        (x_produce_glyphs): Call x_produce_glyphs for DISP_IMAGE.

1998-05-02  Gerd Moellmann  <gerd@gnu.org>

        * xfns.c (prepare_image_for_display): Set image timestamp.
        (clear_image_cache): Clear images if image's timestamp +
        Vimage_eviction_seconds is > now.
        (syms_of_xfns): New variables image-eviction-seconds, and
        image-types.
        (add_image_format): Add to image-types.
        (xbm_load): Support new image spec format.
        (x_alloc_image_color): Allocate a color for an image.

        * dispextern.h (struct image): Add timestamp.

        * xfns.c (xbm_image_p): Allow bool-vectors, vectors of strings and
        vectors of bool-vectors.
        (xbm_lisp_object_from_file): Build new format image spec.

1998-05-01  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (init_frame_faces): Initialize image cache.
        (free_frame_faces): Free it.

        * xterm.c (x_delete_display): Don't free image cache.

        * emacs.c (main): Call init_xfns.

1998-04-30  Gerd Moellmann  <gerd@gnu.org>

        * alloc.c (mark_object): Mark objects in image cache.

        * xfns.c (x_set_internal_border_width): Correct call to 
        widget_store_internal_border_width.

        * widget.c (widget_store_internal_border): Return void.

        * xfns.c (x_destroy_bitmap): Use xfree instead of free.  Return
        void.
        (init_x_parm_symbols): Return void.
        (x_report_frame_params): Ditto.
        (x_set_border_pixel): Ditto.
        (syms_of_xfns): Ditto.
        (x_destroy_all_bitmaps): Use xfree instead of free.

        * xterm.h (FRAME_X_IMAGE_CACHE): Access the image cache of a frame.

        * xterm.c (x_term_init): Initialize image_cache of display info.
        (x_delete_display): Free image cache.

        * xterm.h (struct x_display_info): Add image_cache.

        * xfns.c (make_image_cache): Allocate a new image cache.
        (free_image_cache): Free an image cache.
        (make_image): Allocate an image.
        (free_image): Free an image.

        * dispextern.h (struct image): Structure describing an image.
        (struct image_cache): Structure describing an image cache.

1998-04-29  Gerd Moellmann  <gerd@gnu.org>

        * xdisp.c (check_iterator_glyph_property): Return int.  Value is
        non-zero if iterator is filled with something to return.
        (next_element_from_buffer): Immediately return if
        setup_iterator_from_glyph_prop has filled iterator with pixmap.
        (next_element_from_string): Likewise.

        * xfaces.c (load_pixmap): Allow to pass null for W_PTR and H_PTR.

        * dispextern.h (struct glyph): Add pixmap_id.
        (display_element_type): Add DISP_PIXMAP.

        * xmenu.c (popup_get_selection): Use xmalloc/xfree instead of
        malloc/free.

        * xfaces.c (clear_font_table): Free fonts not used by fontsets.
        (clear_face_cache): Call it.

        * xterm.c (x_query_font): Don't look at empty font table slots.
        (x_compute_min_glyph_bounds): Likewise.
        (x_term_init): Initialize font_table to null.
        (x_load_font): Change allocation of font_info structures so
        that it is possible to free fonts.

        * xfns.c (Fx_close_connection): Use xfree instead of free. 
        Only free fonts from filled font table entries.

        * xfaces.c (best_matching_font): Support use of scalable fonts.
        (Fface_scalable_fonts_mode): Toggle use of scalable fonts.

        * xterm.h (struct x_display_info): Remove screen_dpi, add resx
        and resy.
        * xterm.c (x_term_init): Compute resx and resy.

        * xfaces.c (split_font_name): Don't reject scalable fonts.

        * xterm.c (x_list_fonts): Set code exclusing scalable fonts 
        in #if 0.

        * xfaces.c (xlfd_point_size): Return 0 for fonts whose real
        point size cannot be determined.

        * xterm.h (FRAME_SMALLEST_CHAR_WIDTH): Return smallest character
        width over all fonts on a frame.
        (FRAME_SMALLEST_FONT_HEIGHT): Likewise for font height.
        * dispnew.c (adjust_frame_glyphs_for_window_redisplay): Use these
        macros.

        * xterm.c (x_font_min_bounds): Moved here from xfaces.c.
        (x_compute_min_char_bounds): Formerly min_char_bounds in xfaces.c.
        (x_load_font): Use x_compute_min_char_bounds.

        * xterm.h (struct x_display_info): New members smallest_char_width
        and smallest_font_height.

1998-04-28  Gerd Moellmann  <gerd@gnu.org>

        * dispextern.h (PREPARE_FACE_FOR_DISPLAY): Call function with
        the same name if GC of face is zero.

        * dispextern.h (struct face): Member non_ascii_gc removed.

        * xterm.c (x_get_char_font_and_encoding): Return face's font
        for characters < 0177 in default face.  Prepare face for 
        display before returning it.
        (x_produce_glyphs): Use it->charset.
        (x_get_char_font_and_encoding): Simplified.
        (x_encode_char): Remove parameter `font'.

        * xfaces.c (choose_face_font): If registry from charset symbol
        doesn't contain a `-', make it a pattern by appending "*-*".

        * xdisp.c (check_iterator_glyph_property): Adjust limit for
        glyph_check_pos computation to character boundary.

1998-04-27  Gerd Moellmann  <gerd@gnu.org>

        * fontset.h (FONT_INFO_FROM_ID): Return null if ID is invalid.

        * xfaces.c (ascii_face_of_lisp_face): Get the id of the realized
        ASCII face for a given Lisp face id.

        * xdisp.c (set_iterator_stop_pos): Take glyph_check_pos into
        account.
        (reseat_iterator): Set glyph_check_pos. Handle case where 
        new position is < original position.
        (check_iterator_glyph_property): Handle glyph property in strings.
        (next_element_from_string): Call above function.
        (next_element_from_display_vector): Handle faces in glyphs.
        (get_next_display_element): Set face_id of glyphs for
        control chars to zero.

        * Makefile.in (term.o): Add dependency on dispextern.h.

        * xdisp.c (syms_of_xdisp): Add symbol `glyph'.
        (display_line): Handle marginal areas.
        (move_iterator_in_display_line_to): Likewise.

        * xfaces.c (Finternal_make_lisp_face): Assign Lisp faces an id.

        * xfaces.c (face_at_buffer_position): Don't merge with nil
        text property.
        (face_at_string_position): Ditto.

        * dispextern.h (struct display_iterator): Use a stack of saved
        values instead of saving check positions etc. individually.

        * xdisp.c (set_iterator_to_next): If end of Lisp string reached,
        maybe pop the iterator's stack.
        (save_iterator_settings): Push a value on iterator's stack.
        (get_overlay_strings_at_iterator_position): Use it.
        (restore_iterator_settings): Pop the stack.
        (set_iterator_to_next_overlay_string): Use it.

        * xfaces.c (try_font_list): Use alternative font families.

1998-04-26  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (Fset_face_font_sort_order): Set the order in which
        font selection matches fonts.
        (Fface_font_sort_order): Return the font sort order.
        (best_matching_font): Find best matching font based on sort order.
        (cmp_font_names): Sort by given sort order.

        * dispextern.h (struct display_iterator): New member faces_p.
        * xdisp.c (init_iterator): Initialize it->faces_p.
        (compute_face_at_iterator_string_position): Use it.
        (compute_face_at_iterator_position): Use it.
        (init_iterator): Use it.
        (display_mode_line): Ditto.

        * xdisp.c (get_next_display_element): Put code choosing a face
        when the charset changes in #ifdef HAVE_FACES.

        * dispextern.h (FACE_FOR_CHARSET): Replacement for function 
        lookup_face_for_charset.

        * xfaces.c (free_font_names): Renamed from free_split_font_names.
        (free_all_realized_faces): Renamed from remove_all_realized_faces.

1998-04-25  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (best_matching_font): Return the name of the best
        matching font in an array of font_name structures.
        (choose_face_font): Use it.
        (choose_face_fontset_font): Use it.
        (find_best_weight_font): If final font found has same weight as
        the font we started with, return the original font because it is a
        better match for the resolution of the display.
        (find_best_slant_font): Likewise.
        (merge_face_vector_with_property): Check more invalid attribute
        values.
        (lface_suitable_for_charset_p): Replaced by a macro with the same
        name in upper-case.

1998-04-24  Gerd Moellmann  <gerd@gnu.org>

        * dispextern.h (struct face): Member
        fontset_chosen_for_realization_p removed.

        * xfaces.c (cache_face): If face->fontset >= 0, add face to the
        end of the collision list, so that we find more specific faces
        first.
        (lookup_face_for_charset): Look up a new face if face->fontset >=
        0, and charset != CHARSET_COMPOSITION.

        * xfaces.c (split_font_name): Return zero if point size of font
        couldn't be computed.
        (realize_default_face): Use ASCII font of a fontset to determine
        font-related attributes of the default face.
        (face_fontset): Return fontset id for face family.
        (font_list): Additional parameter font_pattern.  If non-nil,
        return fonts matching that pattern.

1998-04-23  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (choose_face_fontset): If new fontset cannot be
        constructed, or fontset name cannot be split, return the id of the
        standard fontset.

        * xterm.c (XTframe_up_to_date): Check that frame is an X frame.
        When Emacs starts, it may be called for the initial frame which
        isn't an X frame.

        * dispextern.h (struct face): New members foreground_defaulted_p,
        background_defaulted_p.
        (struct face): Members `mask' and `cache' removed.

        * xfaces.c (load_color): Set them.
        (free_face_colors): Check them.
        (xlfd_point_size): Return -1 if resolution or point size of 
        font unknown.

        * xfaces.c (free_font): Removed.
        (load_face_font_or_fontset): Renamed from load_font.
        (load_face_font_or_fontset): Use message2 instead of signalling.
        (load_color): Likewise.
        (load_pixmap): Likewise.

        * xterm.h (struct x_display_info): Add screen_dpi.
        * xterm.c (x_term_init): Initialize it.
        * xfaces.c (xlfd_point_size): Use it.
        (split_font_name): Compute numeric XLFD_RESY.
        (cmp_font_names): Make fonts with an y-resolution more 
        similar to that of the frame appear first in the result.

        * xfaces.c (cache_face): If fontset_chosen_for_realization_p
        is set for the face to cache, add it to the end of the collision
        list.
        (try_font_list): If fonts for given family and registry cannot
        be found, first try to keep the registry, and choose a different
        family.
        (choose_face_font): Allow nfonts == 0.
        (try_font_list): Give up if no font matches given registry.

1998-04-22  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (x_get_char_font_and_encoding): Get font_info from
        font info id of the face.

        * xfaces.c (load_font): Set font_info_id.
        (realize_face): Ditto.

        * dispextern.h (struct face): Change member font_info to
        font_info_id.

        * fontset.h (FONT_INFO_ID): Build an ID from a font_info pointer.
        (FONT_INFO_FROM_ID): Get a font_info pointer from an ID.

        * xdisp.c (extend_face_to_end_of_line): If IT's current charset
        isn't ASCII, get the ASCII face before adding a space.
        (append_space): Likewise.
        (insert_left_trunc_glyphs): Initialize truncate_it's charset
        to -1 so that it will compute the right face for the truncation
        glyphs.

        * xfaces.c (realize_face): Set
        face->fontset_chosen_for_realization_p.
        (lookup_face_for_charset): If fontset wasn't specified originally
        and new charset != CHARSET_COMPOSITION, get a new face for that
        charset.

        * dispextern.h (struct face): New member
        fontset_chosen_for_realization_p_specified_p.  Set to 1 when
        realize_face has chosen a fontset to display composite characters
        for a Lisp face not specifying a fontset.

        * xdisp.c (extend_face_to_end_of_line): Move tests for default
        face and line already filled here.  Don't do anything if current
        face hasn't a relief or has a background equal to the frame
        background.

        * xfaces.c (split_font_name): Additional parameter numeric_p.
        Don't compute numeric values if it is non-zero.
        (choose_face_fontset): Call split_font_name with numeric_p == 0.
        (choose_face_fontset): Print a message if fontset contains a 
        font whose name cannot be split into fields.

1998-04-21  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (try_font_list): Try to load a list of fonts, 
        possibly using less restrictive patterns.
        (choose_face_font): Use it.

        * xterm.c (x_get_char_font_and_encoding): For charset !=
        CHARSET_ASCII use font_info of face if face hasn't a fontset set.

        * dispextern.h (struct face): New member font_info.

        * xfaces.c (load_font): Use FS_LOAD_FONT to load fonts for faces
        specifying a fontset as well as those not having a fontset.
        (free_font): Make it empty.
        (realize_face): Use changed load_font.

        * xterm.c (x_get_char_font_and_encoding): If face doesn't
        fit for charset, get the right one.

        * xfaces.c (load_font): Take frame and name parameter, return
        font.
        (free_font): Likewise.
        (split_font_name): Compute numeric values for height, swidth etc.
        (cmp_font_names): Use them.
        (find_best_width_font): Ditto.
        (find_best_height_font): Ditto.
        (find_best_weight_font): Ditto.
        (find_best_slant_font): Ditto.
        (lface_hash): Add weight, slant, swidth and relief to hash value.
        (lface_equal_p): Make it faster.
        (lface_from_symbol): Use assq_no_quit.
        (Fnote_default_face_changed): Removed.
        (cmp_font_names): Use strcmp instead of xstricmp.
        (face_charset_registries): Removed.

1998-04-20  Gerd Moellmann  <gerd@gnu.org>

        * frame.h (CHECK_FRAME): Give this macro a statement form.
        (CHECK_LIVE_FRAME): Ditto.

        * xfaces.c (find_best_width_font): Find the best matching font
        for a given width.
        (find_best_height_font): Likewise for height.
        (find_best_weight_font): Likewise for weight.
        (find_best_slant_font): Likewise for slant.
        (choose_face_font): Use them.
        (get_lface_attributes): Always return frame-local face attrs.
        (Finternal_merge_in_global_face): Merge local face with 
        global face attributes.

        * xfaces.c (check_lface_attrs, check_lface): Check consistency of
        Lisp face attributes.

1998-04-19  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (Finternal_set_lisp_face_attribute): Add :bold
        and :italic for compatibility.
        (Finternal_set_lisp_face_attribute_from_resource): Handle
        :bold and :italic.  Handle boolean resource values for 
        :underline and :italic.

        * xfns.c (display_x_get_resource): Make it externally visible.

        * xfaces.c (lface_from_symbol): Take a frame as parameter.
        If that frame is non-null, return the frame-local face.
        (Finternal_make_lisp_face): Additional frame argument.
        (lface_attributes): Get face attributes from global and frame-local
        definitions.
        (Finternal_lisp_face_equal_p): Additional frame argument.
        (merge_lisp_face_vector_with_property): Ditto.
        (Frealize_basic_faces): Removed.
        (Finternal_get_lisp_face_attribute): Additional frame argument.
        (Finternal_lisp_face_p): Ditto.
        (load_color) [MSDOS]: Removed because it isn't clear how
        to do this for MS-DOS.

        * xfaces.c (lface_from_symbol): Get global face definition
        from face-global-alist.

        * xfaces.c (Finternal_set_lisp_face_attribute): Allow `t'
        as values for :underline and :inverse-video.
        (Finternal_set_lisp_face_attribute): Allow nil values.

1998-04-17  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (Finternal_make_lisp_face): Return Lisp face vector.

        * xfaces.c (syms_of_xfaces): Add Vall_faces.
        (Finternal_make_lisp_face): Add new face to Vall_faces.

        * xdisp.c (echo_area_display): Remove code recomputing faces.
        (redisplay_internal): Ditto.
        (init_iterator): Do it here.

        * xfaces.c (choose_face_font): Check that swidth doesn't change
        for subusequent attributes.
        (xlfd_point_size): Return int.

        * xdisp.c (redisplay_internal, echo_area-display): If realized
        faces have been cleared, call recompute_basic_faces.

        * xfaces.c (recompute_basic_faces): Free realized faces.  Reset
        face_attributes_changed_p.
        (remove_all_realized_faces): Remove all realized faces on 
        all frames.
        (Finternal_set_lisp_face_attribute): Call remove_all_realized_faces.

        * xdisp.c (redisplay_internal): If face attributes have been
        changed since the last redisplay, recompute basic faces.
        (echo_area_display): Ditto.

        * xfaces.c (clear_face_gcs): Renamed from clear_realized_face_cache.

        * xfaces.c (min_char_bounds): If face cache not yet present,
        don't try to get font dimensions from faces.

        * xterm.c (x_frame_mode_line_height): If face cache not present
        set, return default height.

        * alloc.c (mark_face_cache): Check for null faces.  Correct
        index bug.

        * dispextern.h (struct face): Renamed from struct rface.  Member
        underline renamed underline_p.  Make it a bit-field.

        * xfaces.c (init_frame_faces): Allocate face cache.
        (free_frame_faces): Free face cache.
        (recompute_basic_faces): Realize basic faces only if face cache is
        allocated, i.e. after init_frame_faces has been called.

        * frame.c (make_frame): Initialze face cache with null.

        * xfaces.c (same_size_fonts): Removed.

        * xterm.c (x_set_glyph_string_gc): Add post-condition 
        s->gc != 0.
        (x_set_mouse_face_gc): Ditto.
        (x_set_mode_line_face_gc): Ditto.

        * xfaces.c (realize_default_face): Return int.  Value is 
        zero if frame params don't contain enough information to 
        realize the default face.
        (realize_basic_faces): Ditto.
        (init_frame_faces): Realize basic faces.

        * xfns.c (x_set_font): First store real font name in frame
        parameters, then call recompute_basic_faces.

        * xfaces.c (recompute_basic_faces): Call realize_basic_faces.

1998-04-16  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (syms_of_xfaces): Correct calls to defsubr.

        * xfns.c (Fx_face_fixed_p): Removed.
        (Fx_list_fonts): Moved to xfaces.c.

        * xfaces.c (compute_face_at_buffer_pos): Renamed to
        face_at_buffer_position.  Parameter charset removed; always
        compute face for CHARSET_ASCII.
        (face_at_string_position): Renamed from
        compute_face_at_string_pos. Parameter charset removed; always
        compute for CHARSET_ASCII.
        (lookup_face_for_charset): Take frame parameter instead of 
        face_cache.
        (lookup_face): Ditto.
        (compute_char_face): Renamed from compute_glyph_face.

        * xdisp.c (init_iterator): Initialize charset member.
        (reseat_iterator_to_string): Ditto.
        (get_charset_at_buffer_position): Determine charset at
        buffer position in current_buffer.
        (reseat_iterator): Call above function.
        (compute_face_at_iterator_position): Call
        compute_face_at_buffer_pos.
        (compute_face_at_iterator_string_position): Call
        compute_face_at_string_pos.
        (get_face_from_id): Removed.
        (get_face_from_cursor_pos): Call compute_face_at_buffer_pos.
        Call get_charset_at_buffer_position.
        (reseat_iterator): Determine face if charset at pos differs
        from iterator's charset.
        (reseat_iterator_to_glyph_pos): Removed.

        * xfaces.c (compute_face_at_bufpos): Remove parameter charset.
        Determine charset from buffer position.
        (compute_string_char_face): Renamed to compute_face_at_string_pos.
        (compute_face_at_bufpos): Renamed to compute_face_at_buffer_pos.

        * dispextern.h (struct display_iterator): Add member charset.

1998-04-15  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (compute_char_face): Removed.

        * xdisp.c (get_overlay_arrow_glyph_row): Use compute_glyph_face
        with new parameter list.

        * xfaces.c (region_face): Removed.
        (allocate_face): Removed.
        (copy_face): Ditto.
        (face_eql): Removed.
        (intern_face): Removed.
        (clear_face_cache): Removed.
        (load_font): Ditto.
        (unload_font): Ditto.
        (load_color): Ditto.
        (unload_color): Ditto.
        (new_computed_face): Ditto.
        (intern_computed_face): Ditto.
        (ensure_face_ready): Ditto.
        (merge_faces): Ditto.
        (compute_base_face): Ditto.
        (merge_face_list): Ditto.
        (Fmake_face_internal): Removed.
        (Fset_face_attribute_internal): Ditto.
        (face_name_id_number): Removed.
        (Fframe_face_alist): Ditto.
        (Fset_frame_face_alist): Ditto.
        (Finternal_next_face_id): Ditto.

        * xterm.h (struct x_output): Remove computed_faces, and
        param_faces.  Remove macros accessing them.

        * xfaces.c: Entirely new face implementation added.

1998-04-11  Gerd Moellmann  <gerd@gnu.org>

        * dispextern.h (struct glyph_pos): Member `bufpos' renamed
        `charpos'.

1998-04-10  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (x_scroll_bar_move): Clear only regions not covered by
        scroll bar window to reduce flickering.  Clear entire height.

        * xdisp.c (move_iterator_vertically_backward): Set iterator's
        current_x and hpos to zero after moving to previous line
        start.

1998-04-03  Gerd Moellmann  <gerd@gnu.org>

        * frame.h (FRAME_FACE_CACHE): Access to a frame's face cache.

        * xfaces.c (xlfd_point_size): Compute relative point size of
        fonts from font and frame resolution.
        (sort_fonts): New function to sort fonts, temporarily setting
        font_frame to the frame in effect.
        (xlfd_point_size): Take additional frame parameter to be able
        to get at the display's resolution.

        * xterm.c (x_setup_relief_colors): Use WHITE_PIX_DEFAULT and
        BLACK_PIX_DEFAULT.
        (x_setup_relief_color): Use FRAME_X_SCREEN instead of default
        screen of display.

1998-03-31  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c (choose_face_fontset): Instantiate fontsets.

        * fontset.h: Add external declarations for Vfontset_alias_alist
        and Vglobal_fontset_alist.

        * xfaces.c (merge_lisp_face_vector_with_property): Simplified.
        (realize_default_face): If frame parameters contain an artificial
        font name naming a fontset, set the family of the default face to
        the fontset name given by the registry.

        * Makefile.in (alloc.o): Add dependency to dispextern.h.

1998-03-22  Gerd Moellmann  <gerd@gnu.org>

        * alloc.c (mark_object): Add function prototype.  Add cast to
        Lisp_Object pointer in call to mark_object for symbol names
        because this otherwise gives a warning from gcc 2.8.1.
        (mark_face_cache): Mark Lisp objects in realized faces.

1998-03-19  Gerd Moellmann  <gerd@gnu.org>

        * frame.h (struct frame): Add member face_cache.

        * alloc.c (mark_object): Mark face cache.
        (mark_face_cache): Mark Lisp faces in face cache of frame.

        * frame.c (make_frame): Initialize face_cache.
        (Fdelete_frame): Free it.

1998-03-18  Gerd Moellmann  <gerd@gnu.org>

        * xfaces.c: Very first skeleton of functions for face realization,
        face merging, face cache etc.

        * dispextern.h (struct rface): Realized faces.  Will replace
        struct face when tested.
        (struct face_cache): Realized face caches.

        * xdisp.c (init_iterator): Initialize area member of display
        iterator.

1998-03-17  Gerd Moellmann  <gerd@gnu.org>

        * xterm.c (x_append_glyph): Use it->area to store glyphs.

        * dispextern.h (struct display_iterator): New member area.

        * xterm.c (note_overwritten_text_cursor): Note when the text
        cursor of a window is overwritten.

        * xdisp.c (set_cursor_from_row): If PT is not found in the
        row, display the cursor at the start of the row.

        * dispnew.c (direct_output_forward_char): Call
        set_cursor_from_row.

        * xdisp.c (setup_iterator_overlay_strings_from_glyph_pos): If
        position is not in an overlay string, set iterator's position and
        method explicitly so.
        (set_cursor_from_row): Correct cursor position calculation. 
        Make it externally visible.
        (redisplay_window): Call set_cursor_from_row so that there is only
        one place where the cursor position is calculated from a current
        row.

        * dispextern.h (struct display_iterator): New member
        overlay_strings_at_end_processed_p.

        * xdisp.c (check_iterator): Perform sanity checks on
        display_iterators.
        (next_element_from_buffer): Check for overlay strings at ZV.

1998-03-16  Gerd Moellmann  <gerd@gnu.org>

        * buffer.c (init_buffer_once): Add left_margin_width and
        right_margin_width to buffer_local_flags.

        * dispnew.c (margin_glyphs_to_reserve): Function computing
        number of glyphs to reserve for a marginal area.
        (adjust_glyph_matrix): Call it.
        (adjust_frame_glyphs_for_frame_redisplay): Return if frame
        is not alive.

        * window.c (Fset_window_margins): Allow floats.

        * buffer.c (syms_of_buffer): Add buffer-local variables
        left-margin-width and right-margin-width.  Add defaults
        default-left-margin-width and default-right-margin-width.

        * buffer.h (struct buffer): New members left_margin_width
        and right_margin_width.

        * window.c (Fset_window_margins): Make window the last and
        optional argument.

        * xterm.c (x_draw_glyphs): Compute x-positions for rows with
        flag no_marginal_areas_p differently.
        (x_clear_end_of_line): Ditto.
        (x_draw_glyph_string_relief): Compute width of relief differently
        for rows with flag no_marginal_areas_p.

        * dispnew.c (update_window_line): Update marginal areas only
        for rows that don't have no_marginal_areas_p set.

        * xdisp.c (display_mode_line): Set row's flag no_marginal_areas_p.
        (display_menu_bar): Ditto.

        * dispextern.h (struct glyph_row): New member no_marginal_areas_p.

        * dispnew.c (adjust_glyph_matrix): Compute glyph pointers for
        marginal areas in window-based redisplay.

        * dispextern.h (struct glyph_matrix): New members
        left_margin_glyphs and right_margin_glyphs.

1998-03-15  Gerd Moellmann  <gerd@gnu.org>

        * minibuf.c (read_minibuf_unwind): Return Lisp_Object.

        * charset.c (non_ascii_char_to_string): Use char type parameters
        because the function is used that way from outside.  Use unsigned
        char internally.

        * window.c (change_window_height): Return void.
        (make_dummy_parent): Return void.
        (init_window_once): Return void.
        (syms_of_window): Ditto.
        (keys_of_window): Ditto.
        (delete_window): Correct return with and without value.

        * buffer.c (record_buffer): Return void.

        * marker.c (unchain_marker): Return void.

        * window.c (unshow_buffer): Return void.
        (replace_window): Ditto.
        (delete_window): Ditto.

        * term.c (delete_glyphs_hook): Void return type.
        (ring_bell_hook): Ditto.
        (set_terminal_window_hook): Ditto.

        * sysdep.c (init_sigio): Return void.

        * xterm.c (x_set_window_size): Return void.
        (x_calc_absolute_position): Ditto.
        (x_set_offset): Ditto.
        (x_focus_on_frame): Ditto.
        (x_unfocus_frame): Ditto.
        (x_make_frame_visible): Ditto.
        (x_make_frame_invisible): Ditto.
        (x_iconify_frame): Ditto.
        (x_destroy_window): Ditto.
        (x_wm_set_window_state): Ditto.
        (x_wm_set_icon_pixmap): Ditto.
        (x_wm_set_icon_position): Ditto.
        (x_initialize): Ditto.
        (x_error_quitter): Ditto.
        (x_destroy_window): Use xfree instead of free.

        * keyboard.c (clear_waiting_for_input): Return void.

        * xterm.c (x_wm_set_size_hint): Return void.
        (x_raise_frame): Ditto.
        (refreshicon): Ditto.
        (x_error_catcher): Ditto.
        (x_clear_errors): Ditto.

        * keyboard.c (record_asynch_buffer_change): Return void.

        * xterm.c (XTroï