URL:
<https://savannah.gnu.org/bugs/?55027>
Summary: [PATCH] contrib/hdtbl/hdmisc.tmac: Define register
'<<'
Project: GNU troff
Submitted by: bjarniig
Submitted on: Thu 15 Nov 2018 02:08:51 AM UTC
Category: None
Severity: 3 - Normal
Item Group: None
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
Planned Release: None
_______________________________________________________
Details:
>From e60fc6e09035f713fc6e7686cc37ee4e7ee4af78 Mon Sep 17 00:00:00 2001
From: Bjarni Ingi Gislason <bjarn...@rhi.hi.is>
Date: Thu, 15 Nov 2018 02:01:17 +0000
Subject: [PATCH] contrib/hdtbl/hdmisc.tmac: Define register '<<'
The numeric register '<<' is only used once in the "hdtbl"-source.
Its meaning is unknown. Its value is set to '0' by groff, which can
issue a warning about this undefined register.
This is one part of the bug-report #54473 Chess_board.roff: Many
registers are not defined.
Signed-off-by: Bjarni Ingi Gislason <bjarn...@rhi.hi.is>
---
contrib/hdtbl/hdmisc.tmac-u | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/contrib/hdtbl/hdmisc.tmac-u b/contrib/hdtbl/hdmisc.tmac-u
index ebbbddb3..5dd952bf 100644
--- a/contrib/hdtbl/hdmisc.tmac-u
+++ b/contrib/hdtbl/hdmisc.tmac-u
@@ -188,6 +188,10 @@ along with this program. If not, see
<http://www.gnu.org/licenses/>.
.\" ** Seitenanfang zurueckgesetzt. **
.\" ** ganz richtig ist .sp + .br = .br + .sp = .sp **
.\" ******************************************************************
+.\" Initialize register '<<'. The meaning is unknown. It is only
+.\" used once (undefined) in the macro "t*SP".
+.nr << 0
+
.de t*SP
. if (\\n[nl] < 0) \
. br \" start very first page
--
2.19.1
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