Fix vertical cursor motion in Speedbar frames under bidi display.

 src/xdisp.c (move_it_in_display_line_to): Fix vertical motion with
 bidi redisplay when a line includes both an image and is
 truncated.

2 files changed, 21 insertions, 1 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 21563806ece..3bb02a71865 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,9 @@
+2011-07-15  Eli Zaretskii  <eliz@gnu.org>
+
+        * xdisp.c (move_it_in_display_line_to): Fix vertical motion with
+        bidi redisplay when a line includes both an image and is
+        truncated.
+
 2011-07-14  Paul Eggert  <eggert@cs.ucla.edu>
 
         Fix minor problems found by static checking.
diff --git a/src/xdisp.c b/src/xdisp.c
index 69a66a4db64..50da62ca0ab 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -7928,7 +7928,14 @@ move_it_in_display_line_to (struct it *it,
               || IT_OVERFLOW_NEWLINE_INTO_FRINGE (it))
             {
               if (!get_next_display_element (it)
-                  || BUFFER_POS_REACHED_P ())
+                  || BUFFER_POS_REACHED_P ()
+                  /* If we are past TO_CHARPOS, but never saw any
+                     character positions smaller than TO_CHARPOS,
+                     return MOVE_POS_MATCH_OR_ZV, like the
+                     unidirectional display did.  */
+                  || ((op & MOVE_TO_POS) != 0
+                      && !saw_smaller_pos
+                      && IT_CHARPOS (*it) > to_charpos))
                 {
                   result = MOVE_POS_MATCH_OR_ZV;
                   break;
@@ -7939,6 +7946,13 @@ move_it_in_display_line_to (struct it *it,
                   break;
                 }
             }
+          else if ((op & MOVE_TO_POS) != 0
+                   && !saw_smaller_pos
+                   && IT_CHARPOS (*it) > to_charpos)
+            {
+              result = MOVE_POS_MATCH_OR_ZV;
+              break;
+            }
           result = MOVE_LINE_TRUNCATED;
           break;
         }