From 3ab6e5b465cb0d5d38813ac55a78b9eb484d32b9 Mon Sep 17 00:00:00 2001
From: Ingo Schwarze <schwarze@openbsd.org>
Date: Tue, 7 Oct 2014 14:07:03 +0000
Subject: If a tbl(7) layout contains unknown font modifiers, fall back to the
 default font rather than failing the whole table. Needed by some pages in
 books/man-pages-posix. Written on the plane back from EuroBSDCon in Sofia.

---
 tbl_layout.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'tbl_layout.c')

diff --git a/tbl_layout.c b/tbl_layout.c
index d288c08b..3d27ee1a 100644
--- a/tbl_layout.c
+++ b/tbl_layout.c
@@ -1,4 +1,4 @@
-/*	$Id: tbl_layout.c,v 1.27 2014/08/10 23:54:41 schwarze Exp $ */
+/*	$Id: tbl_layout.c,v 1.28 2014/10/07 14:07:03 schwarze Exp $ */
 /*
  * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2012, 2014 Ingo Schwarze <schwarze@openbsd.org>
@@ -201,6 +201,11 @@ mod:
 	default:
 		break;
 	}
+	if (isalnum((unsigned char)p[*pos - 1])) {
+		mandoc_vmsg(MANDOCERR_FT_BAD, tbl->parse,
+		    ln, *pos - 1, "TS f%c", p[*pos - 1]);
+		goto mod;
+	}
 
 	mandoc_msg(MANDOCERR_TBLLAYOUT, tbl->parse,
 	    ln, *pos - 1, NULL);
-- 
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