(display_text_line): Fill in charstart for end of buffer.

1 files changed, 12 insertions, 1 deletions

diff --git a/src/xdisp.c b/src/xdisp.c
index 2fcd4b08bf0..8565968589e 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -2614,7 +2614,18 @@ display_text_line (w, start, vpos, hpos, taboffset)
           /* Did we hit the end of the visible region of the buffer?
              Stop here.  */
           if (pos >= ZV)
-            break;
+            {
+              /* Update charstarts for the end of this line.  */
+              /* Do nothing if off the left edge or at the right edge.  */
+              if (p1 >= leftmargin && p1 + 1 != endp)
+                {
+                  int *p2x = &charstart[(p1 < leftmargin
+                                         ? leftmargin : p1)
+                                        - p1start];
+                  *p2x++ = pos;
+                }
+              break;
+            }
 
 #ifdef HAVE_FACES
           /* Did we hit a face change?  Figure out what face we should