(pos_visible_p): Take into account that CHARPOS maybe

in or at the start of invisible text.

src/ChangeLog

 2001-01-02  Gerd Moellmann  <gerd@gnu.org>
 
+	* xdisp.c (pos_visible_p): Take into account that CHARPOS maybe
+	in or at the start of invisible text.
+
 	* dispnew.c (update_window): Don't check_current_matrix_flags.
 
 2001-01-01  Jason Rumney  <jasonr@gnu.org>

src/xdisp.c

@@ -1012,8 +1012,9 @@ pos_visible_p (w, charpos, fully, exact_mode_line_heights_p)
   start_display (&it, w, top);
   move_it_to (&it, charpos, 0, it.last_visible_y, -1,
 	      MOVE_TO_POS | MOVE_TO_X | MOVE_TO_Y);
-  
-  if (IT_CHARPOS (it) == charpos)
+
+  /* Note that we may overshoot because of invisible text.  */
+  if (IT_CHARPOS (it) >= charpos)
     {
       int line_height, line_bottom_y;
       int line_top_y = it.current_y;