gbranden pushed a commit to branch master
in repository groff.
commit 886c1f4cfacb63c3e1454cca5ef90b266f8e83cb
Author: G. Branden Robinson <[email protected]>
AuthorDate: Fri Nov 8 09:35:02 2024 -0600
[mdoc]: Don't override `cR` register in "doc-old".
* tmac/doc-old.tmac ([initialization]): Set `cR` register only if not
already defined on the command line. This is so that the package's
trap locations can be compared with the original from
4.3BSD-Reno (1990) even in nroff mode.
---
ChangeLog | 7 +++++++
tmac/doc-old.tmac | 2 +-
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/ChangeLog b/ChangeLog
index 6f98b842c..68a137fc7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2024-11-08 G. Branden Robinson <[email protected]>
+
+ * tmac/doc-old.tmac ([initialization]): Set `cR` register only
+ if not already defined on the command line. This is so that the
+ package's trap locations can be compared with the original from
+ 4.3BSD-Reno (1990) even in nroff mode.
+
2024-11-08 G. Branden Robinson <[email protected]>
* src/utils/grog/grog.pl (construct_command): Check for
diff --git a/tmac/doc-old.tmac b/tmac/doc-old.tmac
index dc7fd90bf..f98a02095 100644
--- a/tmac/doc-old.tmac
+++ b/tmac/doc-old.tmac
@@ -33,7 +33,7 @@
.\" Slightly modified by [email protected] to work with groff as well.
.\"
.\" Assume nroff on crt's only if cR==1
-.if n .nr cR 1
+.do if !r cR .if n .nr cR 1
.\" STRING CONSTANTS
.\" DITROFF
.if t \{\
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