gbranden pushed a commit to branch master
in repository groff.
commit aee7525cd97855c94c11c9bd3335a5196fb7c4c6
Author: G. Branden Robinson <[email protected]>
AuthorDate: Tue Sep 30 06:13:21 2025 -0500
tmac/an-ext.tmac: Tweak `EX`/`EE` behavior.
...for more flexible customization of typeface when using typesetters.
* tmac/an-ext.tmac: Stop assigning value "R" to string `mC` in nroff
mode. This way it's straightforwardly overridable in a "man.local"
file, and the user doesn't have to override it differently for nroff
mode.
(EX): Select font "R" explicitly in nroff mode; a typesetter's
constant-width font name won't be meaningful to a terminal output
driver, except in the (unlikely?) case that an installation configures
a style name as `mC`'s value. (Unless man(7) pages are then formatted
with "troff -fC -man" or similar to force a monospaced font for the
entire document, doing this would largely trash the utility of example
displays.)
---
ChangeLog | 15 +++++++++++++++
tmac/an-ext.tmac | 12 +++++++-----
2 files changed, 22 insertions(+), 5 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 1b9c61f37..0b8ed3b5b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,18 @@
+2025-09-30 G. Branden Robinson <[email protected]>
+
+ * tmac/an-ext.tmac: Tweak `EX`/`EE` behavior for more flexible
+ customization of typeface when using typesetters. Stop
+ assigning value "R" to string `mC` in nroff mode. This way it's
+ straightforwardly overridable in a "man.local" file, and the
+ user doesn't have to override it differently for nroff mode.
+ (EX): Select font "R" explicitly in nroff mode; a typesetter's
+ constant-width font name won't be meaningful to a terminal
+ output driver, except in the (unlikely?) case that an
+ installation configures a style name as `mC`'s value. (Unless
+ man(7) pages are then formatted with "troff -fC -man" or
+ similar to force a monospaced font for the entire document,
+ doing this would largely trash the utility of example displays.)
+
2025-09-19 G. Branden Robinson <[email protected]>
* src/roff/groff/tests/html-device-works-with-grn-and-eqn.sh:
diff --git a/tmac/an-ext.tmac b/tmac/an-ext.tmac
index ad8ced64b..06fb47700 100644
--- a/tmac/an-ext.tmac
+++ b/tmac/an-ext.tmac
@@ -34,11 +34,12 @@
.if \n(mZ>1 \
. nx
.
-.\" Set `mC` to your implementation's constant-width typeface. There is
-.\" no globally portable choice; `CW`, `C`, and `CR` are all seen. AT&T
-.\" troff offers no mechanism to query font availability.
+.\" Set `mC` to your implementation's constant-width typeface for
+.\" typesetter (nor terminal) output. (You can do so either here or in
+.\" "man.local"; see groff_man(7).) There is no globally portable
+.\" choice; `CW`, `C`, and `CR` are all seen. AT&T troff offers no
+.\" mechanism to query font availability.
.ds mC CW
-.if n .ds mC R
.
.\" Save the automatic hyphenation mode.
.\"
@@ -208,7 +209,8 @@
. nr mP \\n(PD
. nr PD 1v
. nf
-. ft \\*(mC
+. ie n .ft \\*(mC
+. el .ft R
. nr mE 1
. \}
..
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