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-rw-r--r--roff_validate.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/roff_validate.c b/roff_validate.c
index 801e9314..6a76a1fb 100644
--- a/roff_validate.c
+++ b/roff_validate.c
@@ -1,6 +1,6 @@
-/* $Id: roff_validate.c,v 1.9 2017/06/14 22:51:25 schwarze Exp $ */
+/* $Id: roff_validate.c,v 1.10 2018/08/10 20:40:45 schwarze Exp $ */
/*
- * Copyright (c) 2010, 2017 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010, 2017, 2018 Ingo Schwarze <schwarze@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -18,6 +18,7 @@
#include <assert.h>
#include <stddef.h>
+#include <string.h>
#include "mandoc.h"
#include "roff.h"
@@ -58,7 +59,7 @@ roff_validate(struct roff_man *man)
static void
roff_valid_ft(ROFF_VALID_ARGS)
{
- char *cp;
+ const char *cp;
if (n->child == NULL) {
man->next = ROFF_NEXT_CHILD;
@@ -84,7 +85,8 @@ roff_valid_ft(ROFF_VALID_ARGS)
return;
break;
case 'C':
- if (cp[1] == 'W' && cp[2] == '\0')
+ if (cp[1] != '\0' && cp[2] == '\0' &&
+ strchr("BIRW", cp[1]) != NULL)
return;
break;
default: