Fix cursor positioning at end of R2L line on TTY frames.

 xdisp.c (extend_face_to_end_of_line): Fix off-by-one error on
 TTY frames in testing whether a line needs face extension.

2 files changed, 7 insertions, 2 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 8decf682bb8..7f081d9563f 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,8 @@
 2010-04-17  Eli Zaretskii  <eliz@gnu.org>
 
+        * xdisp.c (extend_face_to_end_of_line): Fix off-by-one error on
+        TTY frames in testing whether a line needs face extension.
+
         * xdisp.c (extend_face_to_end_of_line): Fix face extension at ZV.
 
         * term.c (produce_special_glyphs): Mirror the backslash
diff --git a/src/xdisp.c b/src/xdisp.c
index 475a83449a6..d11812ceb65 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -16803,8 +16803,10 @@ extend_face_to_end_of_line (it)
   struct face *face;
   struct frame *f = it->f;
 
-  /* If line is already filled, do nothing.  */
-  if (it->current_x >= it->last_visible_x)
+  /* If line is already filled, do nothing.  Non window-system frames
+     get a grace of one more ``pixel'' because their characters are
+     1-``pixel'' wide, so they hit the equality too early.  */
+  if (it->current_x >= it->last_visible_x + !FRAME_WINDOW_P (f))
     return;
 
   /* Face extension extends the background and box of IT->face_id