===================================================================
RCS file: /cvs/mandoc/Attic/ascii.c,v
retrieving revision 1.4
retrieving revision 1.6
diff -u -p -r1.4 -r1.6
--- mandoc/Attic/ascii.c	2009/03/20 21:58:38	1.4
+++ mandoc/Attic/ascii.c	2009/04/12 19:19:57	1.6
@@ -1,4 +1,4 @@
-/* $Id: ascii.c,v 1.4 2009/03/20 21:58:38 kristaps Exp $ */
+/* $Id: ascii.c,v 1.6 2009/04/12 19:19:57 kristaps Exp $ */
 /*
  * Copyright (c) 2009 Kristaps Dzonsons <kristaps@openbsd.org>
  *
@@ -26,12 +26,6 @@
 #define	ASCII_PRINT_HI	 126
 #define	ASCII_PRINT_LO	 32
 
-/*
- * Lookup and hashing routines for constructing the ASCII symbol table,
- * which should contain a significant portion of mdoc(7)'s special
- * symbols.
- */
-
 struct	line {
 	const char	 *code;
 	const char	 *out;
@@ -143,7 +137,10 @@ term_a2ascii(void *arg, const char *p, size_t sz, size
 
 	assert(p);
 	assert(sz > 0);
-	assert(p[0] >= ASCII_PRINT_LO && p[0] <= ASCII_PRINT_HI);
+
+	if (p[0] < ASCII_PRINT_LO || p[0] > ASCII_PRINT_HI)
+		return(NULL);
+
 
 	/*
 	 * Lookup the symbol in the symbol hash.  See ascii2htab for the