gbranden pushed a commit to branch master
in repository groff.
commit 0f76c1cbc49e487a3c0bba55ba311b4f98a7d622
Author: G. Branden Robinson <[email protected]>
AuthorDate: Sun Aug 9 05:14:10 2026 -0500
[doc,man]: Clarify behavioral divergence.
...in "previous" font selection.
---
doc/groff.texi.in | 8 ++++++--
man/groff_diff.7.man | 10 ++++++++--
2 files changed, 14 insertions(+), 4 deletions(-)
diff --git a/doc/groff.texi.in b/doc/groff.texi.in
index b3c08c656..04a1daa12 100644
--- a/doc/groff.texi.in
+++ b/doc/groff.texi.in
@@ -24211,8 +24211,12 @@ GNU
regards a failed attempt to select a different font
as a meaningful action
and updates the the identity of the previous font selection.
-Most @acronym{AT&T}-descended
-@command{troff}s @c AT&T
+So does Heirloom Doctools
+@command{troff}. @c Heirloom
+Other @acronym{AT&T}-descended
+@command{troff}s, @c AT&T
+and
+@command{mandoc},
do not.
Consequently,
given the input
diff --git a/man/groff_diff.7.man b/man/groff_diff.7.man
index ce31cb0c0..4610e204b 100644
--- a/man/groff_diff.7.man
+++ b/man/groff_diff.7.man
@@ -6845,8 +6845,14 @@ GNU
regards a failed attempt to select a different font
as a meaningful action
and updates the the identity of the previous font selection.
-Most AT&T-descended
-.IR troff s \" AT&T
+.
+So does Heirloom Doctools
+.IR troff . \" Heirloom
+.
+Other AT&T-descended
+.IR troff s, \" AT&T
+and
+.IR mandoc ,
do not.
.
The only way to determine if a font selection operation succeeded
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