Ignore .ns (no-space mode), .ps (change point size), .ta (tab control)

for now.  All of these just cause a bit too much or too little
whitespace, but no serious formatting problems.
Triggered by reports from brad@.

diff --git a/roff.7 b/roff.7
index 480fdb54035d28a0fdf6e719f478d6d542231f08..1f55810d9db90b75ca13ec5aca36b43073e9c555 100644 (file)
--- a/roff.7
+++ b/roff.7
@@ -1,4 +1,4 @@
-.\"    $Id: roff.7,v 1.25 2011/01/25 00:40:14 schwarze Exp $
+.\"    $Id: roff.7,v 1.26 2011/01/25 01:12:02 schwarze Exp $
 .\"
 .\" Copyright (c) 2010 Kristaps Dzonsons <kristaps@bsd.lv>
 .\" Copyright (c) 2010 Ingo Schwarze <schwarze@openbsd.org>
@@ -537,6 +537,16 @@ section with the
 .Cm \&Sh
 macro will reset this register.
 .El
+.Ss \&ns
+Turn on no-space mode.
+This line-scoped request is intended to take no arguments.
+Currently, it is ignored including its arguments,
+and the number of arguments is not checked.
+.Ss \&ps
+Change point size.
+This line-scoped request is intended to take one numerical argument.
+Currently, it is ignored including its arguments,
+and the number of arguments is not checked.
 .Ss \&so
 Include a source file.
 Its syntax is as follows:
@@ -554,6 +564,10 @@ only accepts relative paths not containing the strings
 .Qq ../
 and
 .Qq /.. .
+.Ss \&ta
+Set tab stops.
+This line-scoped request can take an arbitrary number of arguments.
+Currently, it is ignored including its arguments.
 .Ss \&tr
 Output character translation.
 This request is intended to have one argument,

diff --git a/roff.c b/roff.c
index ad7a08aeca39239126f7169ed730a245b75e5a32..5d3f1062a19bc5809c20a5bbd3bed0f37856b295 100644 (file)
--- a/roff.c
+++ b/roff.c
@@ -1,4 +1,4 @@
-/*     $Id: roff.c,v 1.123 2011/01/22 13:16:02 schwarze Exp $ */
+/*     $Id: roff.c,v 1.124 2011/01/25 01:12:02 schwarze Exp $ */
 /*
  * Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010, 2011 Ingo Schwarze <schwarze@openbsd.org>
@@ -55,8 +55,11 @@ enum rofft {
        ROFF_ne,
        ROFF_nh,
        ROFF_nr,
+       ROFF_ns,
+       ROFF_ps,
        ROFF_rm,
        ROFF_so,
+       ROFF_ta,
        ROFF_tr,
        ROFF_TS,
        ROFF_TE,
@@ -177,8 +180,11 @@ static     struct roffmac   roffs[ROFF_MAX] = {
        { "ne", roff_line_ignore, NULL, NULL, 0, NULL },
        { "nh", roff_line_ignore, NULL, NULL, 0, NULL },
        { "nr", roff_nr, NULL, NULL, 0, NULL },
+       { "ns", roff_line_ignore, NULL, NULL, 0, NULL },
+       { "ps", roff_line_ignore, NULL, NULL, 0, NULL },
        { "rm", roff_rm, NULL, NULL, 0, NULL },
        { "so", roff_so, NULL, NULL, 0, NULL },
+       { "ta", roff_line_ignore, NULL, NULL, 0, NULL },
        { "tr", roff_line_ignore, NULL, NULL, 0, NULL },
        { "TS", roff_TS, NULL, NULL, 0, NULL },
        { "TE", roff_TE, NULL, NULL, 0, NULL },