gbranden pushed a commit to branch master
in repository groff.
commit aef5f3fb4653d41d2458e17d63c519ae51ee259a
Author: G. Branden Robinson <g.branden.robin...@gmail.com>
AuthorDate: Tue Jul 29 04:13:53 2025 -0500
groff_diff(7): Add `.s` to "Altered registers".
This fact has been the case for decades, but not called out like this.
---
man/groff_diff.7.man | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/man/groff_diff.7.man b/man/groff_diff.7.man
index 2714f4c8c..777ab7c7f 100644
--- a/man/groff_diff.7.man
+++ b/man/groff_diff.7.man
@@ -4654,6 +4654,17 @@ Favor its use over numeric literals with many zeroes or
nines
to indicate an arbitrary large quantity.
.
.
+.TP
+.B \[rs]n[.s]
+In GNU
+.IR troff , \" GNU
+the
+.B .s
+register is string-valued;
+it interpolates the type size in typographical points,
+which can be represented as a decimal fraction.
+.
+.
.\" ====================================================================
.SS "New registers"
.\" ====================================================================
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