--- squid-2.2.DEVEL3/src/errorpage.c	Fri Jan 29 21:01:06 1999
+++ squid-2.2.DEVEL3-PR/src/errorpage.c	Fri Mar  5 21:34:36 1999
@@ -586,16 +595,20 @@
     const char *m;
     const char *p;
     const char *t;
+    const char *am;
     assert(err != NULL);
     assert(err->page_id > ERR_NONE && err->page_id < error_page_count);
     memBufDefInit(&content);
     m = error_text[err->page_id];
     assert(m);
-    while ((p = strchr(m, '%'))) {
+    for ( am = m; (p = strchr(am, '%')) ; ) {
+		if( isalpha(*( p + 1 )) ) {
 	memBufAppend(&content, m, p - m);	/* copy */
 	t = errorConvert(*++p, err);	/* convert */
 	memBufPrintf(&content, "%s", t);	/* copy */
-	m = p + 1;		/* advance */
+			am = m = p + 1;		/* advance */
+		} else 
+			am = p + 1;	
     }
     if (*m)
 	memBufPrintf(&content, "%s", m);	/* copy tail */