--- nmh-1.0.4/uip/sortm.c.bug7246	Wed Aug 16 12:58:07 2000
+++ nmh-1.0.4/uip/sortm.c	Wed Aug 16 12:58:55 2000
@@ -441,6 +441,7 @@
 			else {
 			    if (isalnum(c))
 				*cp2++ = isupper(c) ? tolower(c) : c;
+			    cp++;
 			    break;
 			}
 		    }