2009-08-22  Eli Zaretskii  <eliz@gnu.org>

	* bidi.c (bidi_initialize): staticpro bidi_char_table.
	(bidi_check_type): New function.
	(bidi_cache_iterator_state, bidi_remember_char)
	(bidi_resolve_explicit_1, bidi_resolve_explicit)
	(bidi_resolve_weak, bidi_resolve_neutral)
	(bidi_level_of_next_char): Use it to validate the bidi type
	assigned to the iterator.

2009-08-15  Eli Zaretskii  <eliz@gnu.org>

	* bidi.c (bidi_initialize): Fix initialization of bidi_type_table.

	* xdisp.c (set_iterator_to_next): Fix position setting after call
	to bidi_get_next_char_visually.

2005-12-03  Eli Zaretskii  <eliz@gnu.org>

	* bidi.c: Include stdio.h unconditionally.  Fix and elaborate
	commentary.  Add Copyright blurb.

2004-03-08  Kenichi Handa  <handa@m17n.org>

	* xdisp.c (reseat_1): Call bidi_init_it with a previous position.

	* bidi.c (bidi_init_it): Set bidi_it->ch_len even if POS > 0.

2004-03-04  Kenichi Handa  <handa@m17n.org>

	The following changes are to support for bi-directional text
	display.

	* Makefile.in (obj): Include bidi.o.
	(bidi.o): New target.

	* bidi.c: New file.

	* buffer.h (struct buffer): New member bidi_display_reordering.

	* buffer.c (init_buffer_once): Initialize bidi_display_reordering.
	(syms_of_buffer): Declarations of Lisp variables
	default-bidi-display-reordering and bidi-display-reordering.

	* dispextern.h (BIDI_MAXLEVEL): New macro.
	(bidi_type_t, bidi_dir_t): New types.
	(bidi_saved_info, bidi_stack, bidi_it): New structs.
	(struct it): New members bidi_p and bidi_it.
	(bidi_init_it): Extern it.
	(bidi_get_next_char_visually): Extern it.

	* dispnew.c (direct_output_forward_char): Give up if we need bidi
	processing or buffer's direction is right-to-left.

	* xdisp.c (init_iterator): Initialize it->bidi_p.
	(reseat_1): Cal bidi_init_it and bidi_get_next_char_visually if
	necessary.
	(set_iterator_to_next): Cal bidi_get_next_char_visually if
	necessary.


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