From 3bfe2f390a614764a145e5cb543f22f7c4864417 Mon Sep 17 00:00:00 2001
From: Ingo Schwarze <schwarze@openbsd.org>
Date: Fri, 7 Mar 2014 18:30:11 +0000
Subject: Even on macro lines, \} must not cause whitespace.

---
 roff.c | 26 +++++++++++---------------
 1 file changed, 11 insertions(+), 15 deletions(-)

(limited to 'roff.c')

diff --git a/roff.c b/roff.c
index 0772d8ab..9cf39dbf 100644
--- a/roff.c
+++ b/roff.c
@@ -1,4 +1,4 @@
-/*	$Id: roff.c,v 1.195 2014/03/07 02:22:05 schwarze Exp $ */
+/*	$Id: roff.c,v 1.196 2014/03/07 18:30:11 schwarze Exp $ */
 /*
  * Copyright (c) 2010, 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org>
@@ -1070,25 +1070,21 @@ roff_cond_sub(ROFF_ARGS)
 					ln, ppos, pos, offs));
 	}
 
+	/*
+	 * If `\}' occurs on a macro line without a preceding macro,
+	 * drop the line completely.
+	 */
+
+	ep = *bufp + pos;
+	if ('\\' == ep[0] && '}' == ep[1])
+		rr = ROFFRULE_DENY;
+
 	/* Always check for the closing delimiter `\}'. */
 
-	ep = &(*bufp)[pos];
 	while (NULL != (ep = strchr(ep, '\\'))) {
 		if ('}' != *(++ep))
 			continue;
-
-		/*
-		 * If we're at the end of line, then just chop
-		 * off the \} and resize the buffer.
-		 * If we aren't, then convert it to spaces.
-		 */
-
-		if ('\0' == *(ep + 1)) {
-			*--ep = '\0';
-			*szp -= 2;
-		} else
-			*(ep - 1) = *ep = ' ';
-
+		*ep = '&';
 		roff_ccond(r, ln, pos);
 	}
 	return(ROFFRULE_DENY == rr ? ROFF_IGN : ROFF_CONT);
-- 
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