While ignoring the .ta (set tab stops) and .ti (temp indent) requests

is sometimes harmless, it often causes seriously ugly output,
so flag these requests as unsupported rather than ignoring them.
Discussed with naddy@.

diff --git a/share/man/man7/roff.7 b/share/man/man7/roff.7
index 6fdd375..be7fc68 100644 (file)
--- a/share/man/man7/roff.7
+++ b/share/man/man7/roff.7
@@ -1,4 +1,4 @@
-.\"    $OpenBSD: roff.7,v 1.47 2015/01/23 07:41:16 jmc Exp $
+.\"    $OpenBSD: roff.7,v 1.48 2015/01/23 20:17:25 schwarze Exp $
 .\"
 .\" Copyright (c) 2010, 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
 .\" Copyright (c) 2010, 2011, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
@@ -1437,7 +1437,7 @@ Retrieve the bounding box of a PostScript file.
 Currently unsupported.
 .Ss \&pshape
 Set a special shape for the current paragraph.
-This is a Heirloom extension and currently ignored.
+This is a Heirloom extension and currently unsupported.
 .Ss \&pso
 Include output of a shell command.
 Ignored because insecure.
@@ -1570,7 +1570,7 @@ See
 .Ss \&ta
 Set tab stops.
 Takes an arbitrary number of arguments.
-Currently ignored.
+Currently unsupported.
 .Ss \&tc
 Change tab repetion character.
 Currently unsupported.
@@ -1580,7 +1580,7 @@ See
 .Sx \&TS .
 .Ss \&ti
 Temporary indent.
-Currently ignored.
+Currently unsupported.
 .Ss \&tkf
 Enable track kerning for a font.
 Currently ignored.

diff --git a/usr.bin/mandoc/roff.c b/usr.bin/mandoc/roff.c
index 223cc40..7554537 100644 (file)
--- a/usr.bin/mandoc/roff.c
+++ b/usr.bin/mandoc/roff.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: roff.c,v 1.126 2015/01/23 00:38:42 schwarze Exp $ */
+/*     $OpenBSD: roff.c,v 1.127 2015/01/23 20:17:25 schwarze Exp $ */
 /*
  * Copyright (c) 2010, 2011, 2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010-2015 Ingo Schwarze <schwarze@openbsd.org>
@@ -606,7 +606,7 @@ static      struct roffmac   roffs[ROFF_MAX] = {
        { "po", roff_line_ignore, NULL, NULL, 0, NULL },
        { "ps", roff_line_ignore, NULL, NULL, 0, NULL },
        { "psbb", roff_unsupp, NULL, NULL, 0, NULL },
-       { "pshape", roff_line_ignore, NULL, NULL, 0, NULL },
+       { "pshape", roff_unsupp, NULL, NULL, 0, NULL },
        { "pso", roff_insec, NULL, NULL, 0, NULL },
        { "ptr", roff_line_ignore, NULL, NULL, 0, NULL },
        { "pvs", roff_line_ignore, NULL, NULL, 0, NULL },
@@ -638,11 +638,11 @@ static    struct roffmac   roffs[ROFF_MAX] = {
        { "sv", roff_line_ignore, NULL, NULL, 0, NULL },
        { "sy", roff_insec, NULL, NULL, 0, NULL },
        { "T&", roff_T_, NULL, NULL, 0, NULL },
-       { "ta", roff_line_ignore, NULL, NULL, 0, NULL },
+       { "ta", roff_unsupp, NULL, NULL, 0, NULL },
        { "tc", roff_unsupp, NULL, NULL, 0, NULL },
        { "TE", roff_TE, NULL, NULL, 0, NULL },
        { "TH", roff_TH, NULL, NULL, 0, NULL },
-       { "ti", roff_line_ignore, NULL, NULL, 0, NULL },
+       { "ti", roff_unsupp, NULL, NULL, 0, NULL },
        { "tkf", roff_line_ignore, NULL, NULL, 0, NULL },
        { "tl", roff_unsupp, NULL, NULL, 0, NULL },
        { "tm", roff_line_ignore, NULL, NULL, 0, NULL },