(face_before_or_after_it_pos): If position after

or before iterator's current position in the buffer is out
of bounds, return the iterator's original face id.

1 files changed, 5 insertions, 1 deletions

diff --git a/src/xdisp.c b/src/xdisp.c
index 28a6299836a..ed5b22c8797 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -1991,6 +1991,10 @@ face_before_or_after_it_pos (it, before_p)
     }
   else
     {
+      if ((IT_CHARPOS (*it) >= ZV && !before_p)
+          || (IT_CHARPOS (*it) <= BEGV && before_p))
+        return it->face_id;
+      
       limit = IT_CHARPOS (*it) + TEXT_PROP_DISTANCE_LIMIT;
       pos = it->current.pos;
       
@@ -1998,7 +2002,7 @@ face_before_or_after_it_pos (it, before_p)
         DEC_TEXT_POS (pos);
       else
         INC_TEXT_POS (pos);
-      
+
       /* Determine face for CHARSET_ASCII, or unibyte.  */
       face_id = face_at_buffer_position (it->w,
                                          CHARPOS (pos),