===================================================================
RCS file: /cvs/mandoc/Attic/ascii.c,v
retrieving revision 1.2
retrieving revision 1.6
diff -u -p -r1.2 -r1.6
--- mandoc/Attic/ascii.c	2009/03/17 13:35:46	1.2
+++ mandoc/Attic/ascii.c	2009/04/12 19:19:57	1.6
@@ -1,4 +1,4 @@
-/* $Id: ascii.c,v 1.2 2009/03/17 13:35:46 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;
@@ -62,7 +56,7 @@ static	inline int	  match(const struct line *,
 
 
 void
-asciifree(void *arg)
+term_asciifree(void *arg)
 {
 	struct asciitab	*tab;
 
@@ -75,7 +69,7 @@ asciifree(void *arg)
 
 
 void *
-ascii2htab(void)
+term_ascii2htab(void)
 {
 	struct asciitab  *tab;
 	void		**htab;
@@ -92,7 +86,6 @@ ascii2htab(void)
 	if (NULL == (tab = malloc(sizeof(struct asciitab))))
 		err(1, "malloc");
 
-	assert(0 == sizeof(lines) % sizeof(struct line));
 	len = sizeof(lines) / sizeof(struct line);
 
 	if (NULL == (p = calloc((size_t)len, sizeof(struct linep))))
@@ -132,7 +125,7 @@ ascii2htab(void)
 
 
 const char *
-a2ascii(void *arg, const char *p, size_t sz, size_t *rsz)
+term_a2ascii(void *arg, const char *p, size_t sz, size_t *rsz)
 {
 	struct asciitab	 *tab;
 	struct linep	 *pp, *prev;
@@ -144,7 +137,10 @@ a2ascii(void *arg, const char *p, size_t sz, size_t *r
 
 	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