[groff] 04/18: [mdoc]: Don't overdraw hor rules in nroff mode.

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit 20a3dc706b787508994155781d68b723725302b5
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Tue Jan 2 17:17:00 2024 -0600

    [mdoc]: Don't overdraw hor rules in nroff mode.
    
    * tmac/mdoc/doc-nroff (doc-setup-page-layout): Port nroff-mode
      horizontal rule width compensation from "an.tmac" (29 December) to
      mdoc.
---
 ChangeLog           | 6 ++++++
 tmac/mdoc/doc-nroff | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 3b03ed6b1..40ea1b85a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2024-01-02  G. Branden Robinson <g.branden.robinson@gmail.com>
+
+       * tmac/mdoc/doc-nroff (doc-setup-page-layout): Port nroff-mode
+       horizontal rule width compensation from "an.tmac" (29 December)
+       to mdoc.
+
 2024-01-01  G. Branden Robinson <g.branden.robinson@gmail.com>
 
        [tmac]: Update tests to more recent script conventions, and to
diff --git a/tmac/mdoc/doc-nroff b/tmac/mdoc/doc-nroff
index 94687c391..ca5d6fa61 100644
--- a/tmac/mdoc/doc-nroff
+++ b/tmac/mdoc/doc-nroff
@@ -112,7 +112,7 @@
 .    lt \n[.l]u
 .
 .  nr doc-display-vertical 1v
-.  nr doc-line-length \n[.l]
+.  nr doc-line-length (\n[.l] - 1n)
 ..
 .ec
 .