Parse and ignore the roff(7) .ce request (center some lines).

We even parse and ignore the .ad request (adjustment mode),
and it doesn't make sense to more prominently warn about
temporary than about permanent adjustment changes.

Request found by naddy@ in xloadimage(1) and by juanfra@ in racket(1).

diff --git a/TODO b/TODO
index f2ee9a40611f8b6629f788ebf6b5b338bb9bddad..1eda7c50430607af680b16772f69107521884fd0 100644 (file)
--- a/TODO
+++ b/TODO
@@ -1,6 +1,6 @@
 ************************************************************************
 * Official mandoc TODO.
-* $Id: TODO,v 1.164 2014/02/14 23:05:20 schwarze Exp $
+* $Id: TODO,v 1.165 2014/02/14 23:24:26 schwarze Exp $
 ************************************************************************
 
 ************************************************************************
@@ -24,11 +24,6 @@ None known.
   .ad   -- re-enable adjustment without changing the mode
   Adjustment mode is ignored while in no-fill mode (.nf).
 
-- .ce (center N lines)
-  found by naddy@ in xloadimage(1)
-  found by Juan Francisco Cantero Hurtado <iam at juanfra dot info>
-           in lang/racket(1)  Thu, 20 Jun 2013 03:19:11 +0200
-
 - .fc (field control)
   found by naddy@ in xloadimage(1)
   

diff --git a/roff.c b/roff.c
index 374fc5f00bd6ce2b3a378b54da89ebd54007e318..dce31f85a470d7b2b416bc969c529a7d722766df 100644 (file)
--- a/roff.c
+++ b/roff.c
@@ -1,4 +1,4 @@
-/*     $Id: roff.c,v 1.193 2014/02/14 23:05:20 schwarze Exp $ */
+/*     $Id: roff.c,v 1.194 2014/02/14 23:24:26 schwarze Exp $ */
 /*
  * Copyright (c) 2010, 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org>
@@ -42,6 +42,7 @@ enum  rofft {
        ROFF_am1,
        ROFF_as,
        ROFF_cc,
+       ROFF_ce,
        ROFF_de,
        ROFF_dei,
        ROFF_de1,
@@ -236,6 +237,7 @@ static      struct roffmac   roffs[ROFF_MAX] = {
        { "am1", roff_block, roff_block_text, roff_block_sub, 0, NULL },
        { "as", roff_ds, NULL, NULL, 0, NULL },
        { "cc", roff_cc, NULL, NULL, 0, NULL },
+       { "ce", roff_line_ignore, NULL, NULL, 0, NULL },
        { "de", roff_block, roff_block_text, roff_block_sub, 0, NULL },
        { "dei", roff_block, roff_block_text, roff_block_sub, 0, NULL },
        { "de1", roff_block, roff_block_text, roff_block_sub, 0, NULL },