]> code.delx.au - gnu-emacs/log
gnu-emacs
22 years ago(Electric C, Lisp Eval): Avoid makeinfo warnings about colons in indices.
Eli Zaretskii [Wed, 13 Mar 2002 18:00:48 +0000 (18:00 +0000)]
(Electric C, Lisp Eval): Avoid makeinfo warnings about colons in indices.

22 years ago(Symbol Type): Avoid makeinfo warning about colons in indices.
Eli Zaretskii [Wed, 13 Mar 2002 17:59:14 +0000 (17:59 +0000)]
(Symbol Type): Avoid makeinfo warning about colons in indices.

22 years ago*** empty log message ***
Eli Zaretskii [Wed, 13 Mar 2002 17:41:53 +0000 (17:41 +0000)]
*** empty log message ***

22 years ago(x_set_toolkit_scroll_bar_thumb) <USE_MOTIF>: Use a fixed-size
Stefan Monnier [Wed, 13 Mar 2002 17:07:45 +0000 (17:07 +0000)]
(x_set_toolkit_scroll_bar_thumb) <USE_MOTIF>: Use a fixed-size
thumb (based on an ad-hoc estimate of 30 chars per line) to avoid
annoying flicker.
(xm_scroll_callback): Get rid of the now unnecessary kludge.
(XTread_socket): Mark it static.

22 years ago(fortran-split-line): Make it work with any `!' comment as well.
Stefan Monnier [Wed, 13 Mar 2002 16:42:47 +0000 (16:42 +0000)]
(fortran-split-line): Make it work with any `!' comment as well.

22 years ago(fortran-mode): Set comment-padding to "$$$".
Stefan Monnier [Wed, 13 Mar 2002 16:33:56 +0000 (16:33 +0000)]
(fortran-mode): Set comment-padding to "$$$".
Add fortran-comment-line-start-skip to comment-start-skip.
(fortran-comment-indent): Keep whole-line comments in column 0.
(fortran-find-comment-start-skip): New arg `all'.
If ALL is nil, make sure we only match comment-start-skip if we
can't match fortran-comment-line-start-skip.
Fix bug that made it return t but without moving point when
matching '!'! (a false-comment followed by a real comment).
(fortran-indent-comment): Use new `all' argument above.
Be careful not to add an incorrect comment-starter like "C"
in comment-column.
(fortran-split-line): When splitting a comment, reuse the comment
starter from the current line rather than fortran-comment-line-start.
(fortran-indent-line, fortran-auto-fill): Simplify thanks to the
cleaner behavior of fortran-find-comment-start-skip.
(fortran-fill): Don't be confused by ! inside a comment.
(fortran-break-line): Minor cleanup and simplification.

22 years ago* progmodes/etags.el (tag-exact-file-name-match-p)
Francesco Potortì [Wed, 13 Mar 2002 14:48:00 +0000 (14:48 +0000)]
* progmodes/etags.el (tag-exact-file-name-match-p)
(tag-file-name-match-p, tag-partial-file-name-match-p): Use a
simpler regexp.

22 years ago*** empty log message ***
Francesco Potortì [Wed, 13 Mar 2002 14:47:12 +0000 (14:47 +0000)]
*** empty log message ***

22 years ago(display_mode_element): Fix int/Lisp_Object mixup.
Stefan Monnier [Wed, 13 Mar 2002 14:17:16 +0000 (14:17 +0000)]
(display_mode_element): Fix int/Lisp_Object mixup.

22 years ago*** empty log message ***
Kim F. Storm [Wed, 13 Mar 2002 13:41:39 +0000 (13:41 +0000)]
*** empty log message ***

22 years ago(BASE_PURESIZE): Increase to 775000.
Kim F. Storm [Wed, 13 Mar 2002 13:33:30 +0000 (13:33 +0000)]
(BASE_PURESIZE): Increase to 775000.

22 years agoFIx typo.
Pavel Janík [Wed, 13 Mar 2002 09:34:06 +0000 (09:34 +0000)]
FIx typo.

22 years agoUse Cweb as an example, not Yacc.
Francesco Potortì [Wed, 13 Mar 2002 06:57:20 +0000 (06:57 +0000)]
Use Cweb as an example, not Yacc.

22 years ago(ibuffer-redisplay-current): Don't move point when redisplaying a
Colin Walters [Wed, 13 Mar 2002 02:31:26 +0000 (02:31 +0000)]
(ibuffer-redisplay-current): Don't move point when redisplaying a
line.

22 years ago*** empty log message ***
Colin Walters [Wed, 13 Mar 2002 02:30:32 +0000 (02:30 +0000)]
*** empty log message ***

22 years agoFix formatting of previous entry
Jason Rumney [Tue, 12 Mar 2002 22:29:10 +0000 (22:29 +0000)]
Fix formatting of previous entry

22 years ago*** empty log message ***
Jan Djärv [Tue, 12 Mar 2002 21:15:39 +0000 (21:15 +0000)]
*** empty log message ***

22 years ago(emacs-session-save): Add comment that return t means cancel shutdown
Jan Djärv [Tue, 12 Mar 2002 21:15:07 +0000 (21:15 +0000)]
(emacs-session-save): Add comment that return t means cancel shutdown

22 years agoAdded note about format-time-string deficiencies on MS-Windows.
Jason Rumney [Tue, 12 Mar 2002 20:27:24 +0000 (20:27 +0000)]
Added note about format-time-string deficiencies on MS-Windows.

22 years ago(emacs-session-restore): Take previous id as an argument.
Jan Djärv [Tue, 12 Mar 2002 19:15:06 +0000 (19:15 +0000)]
(emacs-session-restore): Take previous id as an argument.

22 years ago(command-line): Must check that x-session-previous-id
Jan Djärv [Tue, 12 Mar 2002 19:13:52 +0000 (19:13 +0000)]
(command-line): Must check that x-session-previous-id
is bound also, for non-X platforms.

22 years ago*** empty log message ***
Gerd Moellmann [Tue, 12 Mar 2002 18:55:12 +0000 (18:55 +0000)]
*** empty log message ***

22 years ago(syms_of_editfns): Fix typo.
Juanma Barranquero [Tue, 12 Mar 2002 17:24:31 +0000 (17:24 +0000)]
(syms_of_editfns): Fix typo.

22 years agoAdd cl-indent loop form indentation.
Gerd Moellmann [Tue, 12 Mar 2002 16:34:31 +0000 (16:34 +0000)]
Add cl-indent loop form indentation.

22 years ago(lisp-loop-keyword-indentation)
Gerd Moellmann [Tue, 12 Mar 2002 16:27:15 +0000 (16:27 +0000)]
(lisp-loop-keyword-indentation)
(lisp-loop-forms-indentation, lisp-simple-loop-indentation): New
user options.
(extended-loop-p, common-lisp-loop-part-indentation): New
functions.
(common-lisp-indent-function-1): Renamed from
common-lisp-indent-function.
(common-lisp-indent-function): Handle loop forms specially.
(lisp-indent-defmethod): Use car/cdr instead of first/rest.

22 years ago*** empty log message ***
Francesco Potortì [Tue, 12 Mar 2002 14:17:25 +0000 (14:17 +0000)]
*** empty log message ***

22 years agoUse Cweb, not bison as an example of etags using #line.
Francesco Potortì [Tue, 12 Mar 2002 13:44:20 +0000 (13:44 +0000)]
Use Cweb, not bison as an example of etags using #line.

22 years agoBetter description of what etags does with #line.
Francesco Potortì [Tue, 12 Mar 2002 13:40:49 +0000 (13:40 +0000)]
Better description of what etags does with #line.

22 years ago* etags.c (Python_functions): Skip spaces at beginning of lines.
Francesco Potortì [Tue, 12 Mar 2002 13:31:57 +0000 (13:31 +0000)]
* etags.c (Python_functions): Skip spaces at beginning of lines.
(Python_functions, PHP_functions): Name tags, for ctags' sake.
(TeX_commands): Name tags.  Correction of old disabled code.

* etags.c (curfiledir, curtagfname): New global variables.
(process_file): Initialise them.
(readline): Canonicalize the name found in #line directive.

22 years ago* progmodes/etags.el (tag-exact-file-name-match-p)
Francesco Potortì [Tue, 12 Mar 2002 13:12:34 +0000 (13:12 +0000)]
* progmodes/etags.el (tag-exact-file-name-match-p)
(tag-file-name-match-p, tag-partial-file-name-match-p): Assume
that the header of a tags section has either a number or nothing
after the last comma.

22 years ago*** empty log message ***
Francesco Potortì [Tue, 12 Mar 2002 13:12:10 +0000 (13:12 +0000)]
*** empty log message ***

22 years ago*** empty log message ***
Francesco Potortì [Tue, 12 Mar 2002 11:16:25 +0000 (11:16 +0000)]
*** empty log message ***

22 years agoDescription of the tags file format.
Francesco Potortì [Tue, 12 Mar 2002 10:57:49 +0000 (10:57 +0000)]
Description of the tags file format.

22 years agoInclude stdio.h because termhooks.h needs it.
Gerd Moellmann [Tue, 12 Mar 2002 10:12:20 +0000 (10:12 +0000)]
Include stdio.h because termhooks.h needs it.
Include termopt.h for interrupt_input.

22 years agoFix typo.
Pavel Janík [Tue, 12 Mar 2002 09:07:43 +0000 (09:07 +0000)]
Fix typo.

22 years ago*** empty log message ***
Colin Walters [Mon, 11 Mar 2002 21:53:49 +0000 (21:53 +0000)]
*** empty log message ***

22 years ago(toplevel): Revert previous change to use pcomplete.
Colin Walters [Mon, 11 Mar 2002 21:13:14 +0000 (21:13 +0000)]
(toplevel): Revert previous change to use pcomplete.
(shell-mode): Ditto.
(shell-pcomplete-setup-done): Remove.
(shell-pcomplete): Ditto.
(shell-pcomplete-reverse): Ditto.

22 years agoRemove documentation on setting up pcomplete.
Colin Walters [Mon, 11 Mar 2002 21:12:49 +0000 (21:12 +0000)]
Remove documentation on setting up pcomplete.

22 years ago(syms_of_coding) <file-coding-system-alist>: Doc fix
Andreas Schwab [Mon, 11 Mar 2002 19:22:07 +0000 (19:22 +0000)]
(syms_of_coding) <file-coding-system-alist>: Doc fix

22 years ago(note_mouse_movement): Put code for
Gerd Moellmann [Mon, 11 Mar 2002 18:49:44 +0000 (18:49 +0000)]
(note_mouse_movement): Put code for
x_autoselect_window_p in #if 0.

22 years ago(Fload): Don't assume that message_with_ntring uses the
Gerd Moellmann [Mon, 11 Mar 2002 18:42:35 +0000 (18:42 +0000)]
(Fload): Don't assume that message_with_ntring uses the
string it is given like a C string.

22 years ago(java-font-lock-extra-types): Add "URL" as separate item. Doc fix.
Pavel Janík [Mon, 11 Mar 2002 13:39:02 +0000 (13:39 +0000)]
(java-font-lock-extra-types): Add "URL" as separate item.  Doc fix.

22 years ago(image-type-from-file-header): Make temporary buffer unibyte.
Pavel Janík [Mon, 11 Mar 2002 13:32:22 +0000 (13:32 +0000)]
(image-type-from-file-header): Make temporary buffer unibyte.

22 years ago(add-to-list): Doc fix.
Pavel Janík [Mon, 11 Mar 2002 13:31:50 +0000 (13:31 +0000)]
(add-to-list): Doc fix.

22 years ago(imenu-update-menubar-modified-tick): New variable.
Richard M. Stallman [Mon, 11 Mar 2002 09:16:37 +0000 (09:16 +0000)]
(imenu-update-menubar-modified-tick): New variable.
(imenu-update-menubar): Don't call imenu--make-index-alist
if buffer has not changed since last time.

22 years ago(desktop-buffer-handlers): Doc fix.
Richard M. Stallman [Mon, 11 Mar 2002 09:15:27 +0000 (09:15 +0000)]
(desktop-buffer-handlers): Doc fix.
(desktop-buffer-file): Explicitly return BUF.

22 years ago(show-paren-function): Move back in other direction
Richard M. Stallman [Mon, 11 Mar 2002 09:14:28 +0000 (09:14 +0000)]
(show-paren-function): Move back in other direction
to verify the match is correct.

22 years agoClean up session manager node.
Richard M. Stallman [Mon, 11 Mar 2002 09:10:19 +0000 (09:10 +0000)]
Clean up session manager node.

22 years ago(pcomplete-entries): Expand environment variables in filename.
Miles Bader [Mon, 11 Mar 2002 04:15:31 +0000 (04:15 +0000)]
(pcomplete-entries): Expand environment variables in filename.

22 years agoUse defface instead of facemenu-get-face.
Eli Zaretskii [Sun, 10 Mar 2002 17:28:58 +0000 (17:28 +0000)]
Use defface instead of facemenu-get-face.

22 years agoAdded test for X Session Management (HAVE_X_SM).
Jan Djärv [Sun, 10 Mar 2002 16:37:56 +0000 (16:37 +0000)]
Added test for X Session Management (HAVE_X_SM).

22 years ago*** empty log message ***
Jan Djärv [Sun, 10 Mar 2002 16:31:43 +0000 (16:31 +0000)]
*** empty log message ***

22 years ago(Session Management): New node about X Session management.
Jan Djärv [Sun, 10 Mar 2002 16:31:30 +0000 (16:31 +0000)]
(Session Management): New node about X Session management.

22 years ago(command-line): Add call to emacs-session-restore
Jan Djärv [Sun, 10 Mar 2002 16:29:34 +0000 (16:29 +0000)]
(command-line): Add call to emacs-session-restore

22 years ago(x-handle-smid): New function.
Jan Djärv [Sun, 10 Mar 2002 16:27:26 +0000 (16:27 +0000)]
(x-handle-smid): New function.
(emacs-session-filename): New function.
(emacs-session-save): New function.
(emacs-save-session-functions): New variable.
(emacs-session-restore): New function.

22 years agoX Session management additions
Jan Djärv [Sun, 10 Mar 2002 16:19:56 +0000 (16:19 +0000)]
X Session management additions

22 years agoAdded test for HAVE_X_SM and added new file xsmfns.c
Jan Djärv [Sun, 10 Mar 2002 16:18:42 +0000 (16:18 +0000)]
Added test for HAVE_X_SM and added new file xsmfns.c

22 years agoAdded HAVE_X_SM
Jan Djärv [Sun, 10 Mar 2002 16:17:59 +0000 (16:17 +0000)]
Added HAVE_X_SM

22 years agoExtern declare syms_of_xsmfns ().
Jan Djärv [Sun, 10 Mar 2002 16:17:38 +0000 (16:17 +0000)]
Extern declare syms_of_xsmfns ().

22 years ago(main): Added call to syms_of_xsmfns ().
Jan Djärv [Sun, 10 Mar 2002 16:17:07 +0000 (16:17 +0000)]
(main): Added call to syms_of_xsmfns ().

22 years agoAdded Emacs event save_session_event.
Jan Djärv [Sun, 10 Mar 2002 16:16:38 +0000 (16:16 +0000)]
Added Emacs event save_session_event.

22 years ago(enum event_kind): Added save_session_event.
Jan Djärv [Sun, 10 Mar 2002 16:15:48 +0000 (16:15 +0000)]
(enum event_kind): Added save_session_event.

22 years agoAdded calls to x_session_check_input () and x_session_initialize ().
Jan Djärv [Sun, 10 Mar 2002 16:15:20 +0000 (16:15 +0000)]
Added calls to x_session_check_input () and x_session_initialize ().

22 years agoExtern declare x_session_check_input () and x_session_initialize ().
Jan Djärv [Sun, 10 Mar 2002 16:14:00 +0000 (16:14 +0000)]
Extern declare x_session_check_input () and x_session_initialize ().

22 years agoNew file for X session management.
Jan Djärv [Sun, 10 Mar 2002 16:02:47 +0000 (16:02 +0000)]
New file for X session management.

22 years ago*** empty log message ***
Andreas Schwab [Sat, 9 Mar 2002 20:36:59 +0000 (20:36 +0000)]
*** empty log message ***

22 years agoRevert last change.
Andreas Schwab [Sat, 9 Mar 2002 20:11:46 +0000 (20:11 +0000)]
Revert last change.

22 years ago(maybe_bootstrap): Fix last change.
Eli Zaretskii [Sat, 9 Mar 2002 15:14:17 +0000 (15:14 +0000)]
(maybe_bootstrap): Fix last change.

22 years ago(maybe_bootstrap): Fix the command that fails Make.
Eli Zaretskii [Sat, 9 Mar 2002 15:08:52 +0000 (15:08 +0000)]
(maybe_bootstrap): Fix the command that fails Make.

22 years agoEdit the mostlyclean target.
Eli Zaretskii [Sat, 9 Mar 2002 14:57:10 +0000 (14:57 +0000)]
Edit the mostlyclean target.

22 years agoUpdate copyright years.
Eli Zaretskii [Sat, 9 Mar 2002 14:44:18 +0000 (14:44 +0000)]
Update copyright years.

22 years agoEdit the bootstrap-* targets.
Eli Zaretskii [Sat, 9 Mar 2002 14:41:13 +0000 (14:41 +0000)]
Edit the bootstrap-* targets.

22 years ago(all): Depend on maybe_bootstrap.
Eli Zaretskii [Sat, 9 Mar 2002 14:23:25 +0000 (14:23 +0000)]
(all): Depend on maybe_bootstrap.

22 years ago(maybe_bootstrap, bootstrap, bootstrap-lisp-1)
Eli Zaretskii [Sat, 9 Mar 2002 14:09:14 +0000 (14:09 +0000)]
(maybe_bootstrap, bootstrap, bootstrap-lisp-1)
(bootstrap-lisp, bootstrap-src, bootstrap-clean-before)
(bootstrap-clean-after): New targets.

22 years ago(Fcopy_file): Fix last change.
Jason Rumney [Sat, 9 Mar 2002 10:20:18 +0000 (10:20 +0000)]
(Fcopy_file): Fix last change.

22 years agoSplit pre-21.1 changes into ChangeLog.9.
Eli Zaretskii [Sat, 9 Mar 2002 09:30:18 +0000 (09:30 +0000)]
Split pre-21.1 changes into ChangeLog.9.

22 years agoSplit pre-21.1 changes into a separate file.
Eli Zaretskii [Sat, 9 Mar 2002 09:26:56 +0000 (09:26 +0000)]
Split pre-21.1 changes into a separate file.

22 years agoEntries for Richard's commits from yesterday.
Eli Zaretskii [Sat, 9 Mar 2002 09:21:45 +0000 (09:21 +0000)]
Entries for Richard's commits from yesterday.

22 years ago(shell-command-on-region): Call push-mark with
Eli Zaretskii [Sat, 9 Mar 2002 09:06:04 +0000 (09:06 +0000)]
(shell-command-on-region): Call push-mark with
non-nil second arg, to suppress the "Mark set" message.

22 years ago(Fcopy_file) [WINDOWS_NT]: Ensure file is not
Jason Rumney [Sat, 9 Mar 2002 00:38:54 +0000 (00:38 +0000)]
(Fcopy_file) [WINDOWS_NT]: Ensure file is not
read-only when setting modified time.

22 years ago(sc-select-attribution): Accept whatever value we get in CHOICE; there
Richard M. Stallman [Fri, 8 Mar 2002 21:08:19 +0000 (21:08 +0000)]
(sc-select-attribution): Accept whatever value we get in CHOICE; there
is no value meaning "try again".

22 years agoChange Maintainer to FSF.
Andreas Schwab [Fri, 8 Mar 2002 19:31:38 +0000 (19:31 +0000)]
Change Maintainer to FSF.

22 years ago*** empty log message ***
Gerd Moellmann [Fri, 8 Mar 2002 12:33:20 +0000 (12:33 +0000)]
*** empty log message ***

22 years ago(move_it_vertically_backward): At the end of the
Gerd Moellmann [Fri, 8 Mar 2002 12:28:17 +0000 (12:28 +0000)]
(move_it_vertically_backward): At the end of the
function, when moving forward by lines, treat terminal frames
specially.

22 years ago(echo_char): Make sure to add a separator between
Gerd Moellmann [Fri, 8 Mar 2002 11:34:25 +0000 (11:34 +0000)]
(echo_char): Make sure to add a separator between
keys even if echo_dash hasn't been called.

22 years agoUse new string macros.
Gerd Moellmann [Fri, 8 Mar 2002 11:05:16 +0000 (11:05 +0000)]
Use new string macros.
(update_echo_area): Pass number of bytes to message3 instead of
number of chars.
(set_message_1): Don't access a string's size_byte directly.
(decode_mode_spec_coding): Use number of bytes of eoltype string
instead number of chars.

22 years agoFix last change.
Gerd Moellmann [Fri, 8 Mar 2002 10:56:48 +0000 (10:56 +0000)]
Fix last change.

22 years ago*** empty log message ***
Gerd Moellmann [Fri, 8 Mar 2002 10:26:55 +0000 (10:26 +0000)]
*** empty log message ***

22 years ago(SREF, SDATA, SCHARS, SBYTES, SMBP): New macros.
Gerd Moellmann [Fri, 8 Mar 2002 10:26:32 +0000 (10:26 +0000)]
(SREF, SDATA, SCHARS, SBYTES, SMBP): New macros.

22 years ago(picture-forward-column): New arg `interactive'
Richard M. Stallman [Fri, 8 Mar 2002 09:58:51 +0000 (09:58 +0000)]
(picture-forward-column): New arg `interactive'
is non-nil for an interactive call.  Use instead of interactive-p.
(picture-backward-column): Likewise.

22 years ago(browse-url-galeon): Specify --existing for an existing window.
Richard M. Stallman [Fri, 8 Mar 2002 09:56:30 +0000 (09:56 +0000)]
(browse-url-galeon): Specify --existing for an existing window.
Use --noraise rather than --no-raise.  Don't use -x.

22 years ago(tar-untar-buffer): New function.
Richard M. Stallman [Fri, 8 Mar 2002 09:54:42 +0000 (09:54 +0000)]
(tar-untar-buffer): New function.

22 years ago(Info-fontify-node): Bind up-clicks, not down-clicks.
Richard M. Stallman [Fri, 8 Mar 2002 09:39:16 +0000 (09:39 +0000)]
(Info-fontify-node): Bind up-clicks, not down-clicks.
Put the mouse-face on the entire xref, like the local keymap.

22 years ago(find-name-dired): Use shell-quote-argument.
Richard M. Stallman [Fri, 8 Mar 2002 09:35:44 +0000 (09:35 +0000)]
(find-name-dired): Use shell-quote-argument.

22 years ago(Fx_display_color_cells): Force 24+ bit color depths to 24-bit.
Juanma Barranquero [Fri, 8 Mar 2002 08:35:08 +0000 (08:35 +0000)]
(Fx_display_color_cells): Force 24+ bit color depths to 24-bit.

22 years agoDocument enhancements to `mpuz.el'.
Eli Zaretskii [Fri, 8 Mar 2002 08:21:16 +0000 (08:21 +0000)]
Document enhancements to `mpuz.el'.

22 years ago*** empty log message ***
Eli Zaretskii [Fri, 8 Mar 2002 08:18:06 +0000 (08:18 +0000)]
*** empty log message ***

22 years ago(mpuz-unsolved-face, mpuz-solved-face)
Eli Zaretskii [Fri, 8 Mar 2002 08:11:21 +0000 (08:11 +0000)]
(mpuz-unsolved-face, mpuz-solved-face)
(mpuz-trivial-face, mpuz-text-face, mpuz-solve-when-trivial)
(mpuz-allow-double-multiplicator): new options for nicer look and
new features.
(mpuz-put-number-on-board, mpuz-paint-number, mpuz-solve): new
functions.
(mpuz-check-all-solved, mpuz-random-puzzle)
(mpuz-paint-statistics, mpuz-paint-digit, mpuz-close-game)
(mpuz-show-solution): functions streamlined and removed french
style space before punctuation, added face support and optional
solving of trivial results.

22 years ago(ibuffer-filter-format-alist): Add type and group.
Colin Walters [Fri, 8 Mar 2002 04:06:18 +0000 (04:06 +0000)]
(ibuffer-filter-format-alist): Add type and group.

22 years ago(ibuffer-update-mode-name): Substitute "view time" instead of
Colin Walters [Fri, 8 Mar 2002 04:04:22 +0000 (04:04 +0000)]
(ibuffer-update-mode-name): Substitute "view time" instead of
"recency" for clarity.
(ibuffer-compile-format): Document more.  Handle new "summarizer"
columns.
(ibuffer-fontify-region-function): Ditto.
(ibuffer-insert-buffer-line): Ditto.
(ibuffer-map-lines): Ditto.
(ibuffer-insert-buffers-and-marks): Ditto.
(ibuffer-update-title-and-summary): Renamed from
`ibuffer-update-title'.  Handle "summarizer" columns.
(ibuffer-clear-summary-columns): New function.