--- xgettext.c	Tue Jul 10 23:06:47 2001
+++ xgettext.c	Tue Jul 10 23:05:26 2001
@@ -1380,7 +1380,8 @@
       size_t dummy;
 
       (void) parse_one_spec (s, 0, &spec, &dummy);
-      if (strchr ("iduoxXeEfgGcspnm%", spec.info.spec) == NULL)
+      if (strchr ("iduoxXeEfgGcspnm%", spec.info.spec) == NULL
+	  || !spec.info.spec)	/* "This is 50%." */
 	return impossible;
     }