===================================================================
RCS file: /cvs/mandoc/chars.c,v
retrieving revision 1.60
retrieving revision 1.64
diff -u -p -r1.60 -r1.64
--- mandoc/chars.c	2014/10/26 17:12:03	1.60
+++ mandoc/chars.c	2014/10/28 17:36:19	1.64
@@ -1,4 +1,4 @@
-/*	$Id: chars.c,v 1.60 2014/10/26 17:12:03 schwarze Exp $ */
+/*	$Id: chars.c,v 1.64 2014/10/28 17:36:19 schwarze Exp $ */
 /*
  * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2011, 2014 Ingo Schwarze <schwarze@openbsd.org>
@@ -104,7 +104,7 @@ mchars_spec2cp(const struct mchars *arg, const char *p
 	const struct ln	*ln;
 
 	ln = find(arg, p, sz);
-	return(ln != NULL ? ln->unicode : sz == 1 ? *p : -1);
+	return(ln != NULL ? ln->unicode : sz == 1 ? (unsigned char)*p : -1);
 }
 
 char
@@ -123,14 +123,9 @@ mchars_num2uc(const char *p, size_t sz)
 {
 	int	 i;
 
-	if ((i = mandoc_strntoi(p, sz, 16)) < 0)
-		return(0xFFFD);
-
-	/*
-	 * XXX Code is missing here to exclude bogus ranges.
-	 */
-
-	return(i <= 0x10FFFF ? i : 0xFFFD);
+	i = mandoc_strntoi(p, sz, 16);
+	assert(i >= 0 && i <= 0x10FFFF);
+	return(i);
 }
 
 const char *
@@ -147,6 +142,17 @@ mchars_spec2str(const struct mchars *arg,
 
 	*rsz = strlen(ln->ascii);
 	return(ln->ascii);
+}
+
+const char *
+mchars_uc2str(int uc)
+{
+	int	 i;
+
+	for (i = 0; i < LINES_MAX; i++)
+		if (uc == lines[i].unicode)
+			return(lines[i].ascii);
+	return("<?>");
 }
 
 static const struct ln *