diff --exclude-from=c:\util\tool\diff.ign -u -r from-cvs/dia/lib/dia_xml.c my-gtk/dia/lib/dia_xml.c
--- from-cvs/dia/lib/dia_xml.c	Mon May 20 19:26:30 2002
+++ my-gtk/dia/lib/dia_xml.c	Mon Jun 03 21:23:08 2002
@@ -133,13 +133,17 @@
   do {
     int i;
     for (i = 0; i < len; i++)
-      if (buf[i] & 0x80)
+      if (buf[i] & 0x80 || buf[i] == '&')
         well_formed_utf8 = FALSE;
     len = gzread(zf,buf,BUFLEN);
   } while (len > 0 && well_formed_utf8);
   if (well_formed_utf8) {
     gzclose(zf); /* this file is utf-8 compatible  */
     return filename;
+  } else {
+    gzclose(zf); /* poor mans fseek */
+    zf = gzopen(filename,"rb"); 
+    len = gzread(zf,buf,BUFLEN);
   }
 
   if (0 != strcmp(default_enc,"UTF-8")) {