(ftfont_pattern_entity): Return a newly allocated

entity even if the cache hits.

src/ChangeLog

+2009-04-17  Kenichi Handa  <handa@m17n.org>
+
+	* ftfont.c (ftfont_pattern_entity): Return a newly allocated
+	entity even if the cache hits.
+
 2009-04-16  Andreas Schwab  <schwab@linux-m68k.org>
 
 	* search.c (boyer_moore): Use zero as marker value for a possible

src/ftfont.c

@@ -208,7 +208,14 @@ ftfont_pattern_entity (p, extra)
   cache = ftfont_lookup_cache (key, FTFONT_CACHE_FOR_ENTITY);
   entity = XCAR (cache);
   if (! NILP (entity))
-    return entity;
+    {
+      Lisp_Object val = font_make_entity ();
+      int i;
+
+      for (i = 0; i < FONT_OBJLIST_INDEX; i++)
+	ASET (val, i, AREF (entity, i));
+      return val;
+    }
   entity = font_make_entity ();
   XSETCAR (cache, entity);