diff options
author | Ingo Schwarze <schwarze@cvs.openbsd.org> | 2014-11-16 21:29:28 +0000 |
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committer | Ingo Schwarze <schwarze@cvs.openbsd.org> | 2014-11-16 21:29:28 +0000 |
commit | f116a4618a1b09e77ce11f38621db46dc0320daa (patch) | |
tree | 3f2d86520c79407136a2373b0e4930d6665dcb40 /usr.bin/mandoc | |
parent | 56b7257d2aff5d970d033e895080664dbe028674 (diff) |
When a line (in the sense of term_flushln()) contains white space only,
the `vbl' variable includes the left margin, but `vis' does not.
Prevent a `vis' underflow that caused a bogus blank line.
Bug reported by Carsten Kunze, found in less(1): .Bl -tag ... .It " "
Diffstat (limited to 'usr.bin/mandoc')
-rw-r--r-- | usr.bin/mandoc/term.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/usr.bin/mandoc/term.c b/usr.bin/mandoc/term.c index 8ff50bf20aa..add5ec877cc 100644 --- a/usr.bin/mandoc/term.c +++ b/usr.bin/mandoc/term.c @@ -1,4 +1,4 @@ -/* $OpenBSD: term.c,v 1.94 2014/11/01 04:03:22 schwarze Exp $ */ +/* $OpenBSD: term.c,v 1.95 2014/11/16 21:29:27 schwarze Exp $ */ /* * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> * Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org> @@ -252,8 +252,10 @@ term_flushln(struct termp *p) * If there was trailing white space, it was not printed; * so reset the cursor position accordingly. */ - if (vis) + if (vis > vbl) vis -= vbl; + else + vis = 0; p->col = 0; p->overstep = 0; |