Text covered by `display' overlays is correctly reordered.

Cursor positioning is not yet right near the overlay.

 src/xdisp.c (compute_display_string_pos): Non-trivial implementation.
 (compute_display_string_end): New function.
 src/dispextern.h (compute_display_string_end): Declare prototype.
 src/bidi.c (bidi_resolve_explicit_1): Use ZV for disp_pos.
 (bidi_fetch_char): Implement support for runs of characters
 covered by display strings.

1 files changed, 11 insertions, 1 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index decde924b09..b122f0612b2 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,7 +1,17 @@
 2011-05-14  Eli Zaretskii  <eliz@gnu.org>
 
+        * xdisp.c (compute_display_string_pos): Non-trivial implementation.
+        (compute_display_string_end): New function.
+
+        * dispextern.h (compute_display_string_end): Declare prototype.
+
+        * bidi.c (bidi_resolve_explicit_1): Use ZV for disp_pos.
+        (bidi_fetch_char): Implement support for runs of characters
+        covered by display strings.
+
         * bidi.c (bidi_fetch_char): Accept also character position
-        corresponding to BYTEPOS.  All callers changed.
+        corresponding to BYTEPOS.  DISP_POS is now a character position,
+        not a byte position.  All callers changed.
         (bidi_cache_iterator_state, bidi_resolve_explicit_1)
         (bidi_resolve_explicit, bidi_resolve_weak)
         (bidi_level_of_next_char, bidi_move_to_visually_next): Abort if