(find_composition): Fix a code for searching a composition backward.

[bpt/emacs.git] / src / composite.c

diff --git a/src/composite.c b/src/composite.c
index 2ffc33d..83d5b0d 100644 (file)
--- a/src/composite.c
+++ b/src/composite.c
@@ -422,14 +422,25 @@ find_composition (pos, limit, start, end, prop, object)
     return 0;
 
   if (limit > pos)             /* search forward */
-    val = Fnext_single_property_change (make_number (pos), Qcomposition,
-                                       object, make_number (limit));
+    {
+      val = Fnext_single_property_change (make_number (pos), Qcomposition,
+                                         object, make_number (limit));
+      pos = XINT (val);
+      if (pos == limit)
+       return 0;
+    }
   else                         /* search backward */
-    val = Fprevious_single_property_change (make_number (pos), Qcomposition,
-                                           object, make_number (limit));
-  pos = XINT (val);
-  if (pos == limit)
-    return 0;
+    {
+      if (get_property_and_range (pos - 1, Qcomposition, prop, start, end,
+                                 object))
+       return 1;
+      val = Fprevious_single_property_change (make_number (pos), Qcomposition,
+                                             object, make_number (limit));
+      pos = XINT (val);
+      if (pos == limit)
+       return 0;
+      pos--;
+    }
   get_property_and_range (pos, Qcomposition, prop, start, end, object);
   return 1;
 }