From: schwarze@mdocml.bsd.lv
To: source@mdocml.bsd.lv
Subject: mdocml: When a line (in the sense of term_flushln()) contains white
Date: Sun, 16 Nov 2014 16:29:35 -0500 (EST) [thread overview]
Message-ID: <201411162129.sAGLTZSk003609@krisdoz.my.domain> (raw)
Log Message:
-----------
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 " "
Modified Files:
--------------
mdocml:
term.c
Revision Data
-------------
Index: term.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/term.c,v
retrieving revision 1.234
retrieving revision 1.235
diff -Lterm.c -Lterm.c -u -p -r1.234 -r1.235
--- term.c
+++ term.c
@@ -254,8 +254,10 @@ 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;
--
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