diff -uNr tcsh-6.15.00.orig/tw.parse.c tcsh-6.15.00/tw.parse.c
--- tcsh-6.15.00.orig/tw.parse.c	2007-03-01 23:21:42.000000000 +0200
+++ tcsh-6.15.00/tw.parse.c	2007-06-30 20:10:54.000000000 +0300
@@ -433,7 +433,7 @@
 	Char *p;
 	int found;
 
-	found = !cmd_expand(qline.s + wordp, &p);
+	found = cmd_expand(qline.s + wordp, &p);
 	
 	if (!found) {
 	    xfree(p);