Added to bidi.c support functions for reordering display strings.

 src/bidi.c (bidi_push_it, bidi_pop_it): New functions.
 (bidi_initialize): Initialize the bidi cache start stack pointer.
 (bidi_cache_ensure_space): New function, refactored from part of
 bidi_cache_iterator_state.
 src/dispextern.h (bidi_push_it, bidi_pop_it): Add prototypes.

1 files changed, 9 insertions, 0 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 37e1e85219f..40576554636 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,12 @@
+2011-06-23  Eli Zaretskii  <eliz@gnu.org>
+
+        * dispextern.h (bidi_push_it, bidi_pop_it): Add prototypes.
+
+        * bidi.c (bidi_push_it, bidi_pop_it): New functions.
+        (bidi_initialize): Initialize the bidi cache start stack pointer.
+        (bidi_cache_ensure_space): New function, refactored from part of
+        bidi_cache_iterator_state.
+
 2011-06-18  Eli Zaretskii  <eliz@gnu.org>
 
         * xdisp.c (tool_bar_lines_needed, redisplay_tool_bar)