gbranden pushed a commit to branch master
in repository groff.
commit fe9f1ea59ae56a05cf19b298101ee637491127e7
Author: G. Branden Robinson <[email protected]>
AuthorDate: Thu Apr 16 12:59:51 2026 -0500
groff_man*(7): Discourage use of \fC and similar.
ANNOUNCE: Acknowledge Hilmar and Karl for bringing the issue to my
attention.
---
ANNOUNCE | 2 ++
tmac/groff_man.7.man.in | 13 +++++++++++++
2 files changed, 15 insertions(+)
diff --git a/ANNOUNCE b/ANNOUNCE
index 015750c7b..750dec72b 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -214,6 +214,8 @@ Bruno Haible
Dave Kemper
Deri James
Dmytro Bagrii
+Hilmar Preuße
Johannes Altmanninger
+Karl Berry
Morten Bo Johansen
Zack Weinberg
diff --git a/tmac/groff_man.7.man.in b/tmac/groff_man.7.man.in
index 05ee443f1..660333e63 100644
--- a/tmac/groff_man.7.man.in
+++ b/tmac/groff_man.7.man.in
@@ -3081,6 +3081,19 @@ source than
escape sequences do.
.
.
+.IP
+Only the listed font escape sequences are dependable.
+.
+Others,
+such as
+.BR \efC ,
+are not portable,
+are meaningless on terminal devices,
+and can prompt warnings from
+GNU
+.IR troff .\" GNU
+.
+.
.P
Several special characters are also widely portable.
.\" meaning: groff, Heirloom Doctools troff, neatroff, mandoc
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