gbranden pushed a commit to branch master
in repository groff.
commit 5e4d39536d56c25410c18374c10ba1141dba0233
Author: G. Branden Robinson <[email protected]>
AuthorDate: Fri Dec 12 21:17:15 2025 -0600
[mm]: Fix Savannah #67811.
* contrib/mm/m.tmac (B2): In nroff mode, space by one vee before and
after interpolating the `box*div` boxed text diversion. This prevents
the box lines and text from overprinting.
Fixes <https://savannah.gnu.org/bugs/?67811>.
---
contrib/mm/ChangeLog | 8 ++++++++
contrib/mm/m.tmac | 3 +++
2 files changed, 11 insertions(+)
diff --git a/contrib/mm/ChangeLog b/contrib/mm/ChangeLog
index d0cc9a159..42eb936a1 100644
--- a/contrib/mm/ChangeLog
+++ b/contrib/mm/ChangeLog
@@ -1,3 +1,11 @@
+2025-12-12 G. Branden Robinson <[email protected]>
+
+ * m.tmac (B2): In nroff mode, space by one vee before and after
+ interpolating the `box*div` boxed text diversion. This prevents
+ the box lines and text from overprinting.
+
+ Fixes <https://savannah.gnu.org/bugs/?67811>.
+
2025-12-12 G. Branden Robinson <[email protected]>
* m.tmac (B1): In the environment we set up for boxed text,
diff --git a/contrib/mm/m.tmac b/contrib/mm/m.tmac
index 37e209d06..27333994c 100644
--- a/contrib/mm/m.tmac
+++ b/contrib/mm/m.tmac
@@ -3211,7 +3211,10 @@ exceeds depth of nested lists (\\n[li*lvl])
.de B2
.br
.if !\\n[box*ll] .@error \\$0: no corresponding B1
+.\" In nroff mode, make room for the horizontal rules taking up 1v each.
+.if n .sp
.debug@di
+.if n .sp
.nr box*height \\n[dn]
.ne \\n[dn]u+1v
.ll \\n[box*ll]u
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