[groff] 24/29: doc/groff.texi: Resync with groff(1).

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit bbe7ceced0d6612fe1c02eae78fa19a11dcaac12
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Tue Apr 26 03:48:44 2022 +1000

    doc/groff.texi: Resync with groff(1).
---
 doc/groff.texi | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/doc/groff.texi b/doc/groff.texi
index ab6bbaa3..822ebfae 100644
--- a/doc/groff.texi
+++ b/doc/groff.texi
@@ -1187,7 +1187,8 @@ for this in its macro directories.  If it isn't found, it 
tries
 
 @item -M@var{dir}
 Search directory @file{@var{dir}} for macro files before the standard
-directories (@pxref{Macro Directories}).
+directories (@pxref{Macro Directories}).  It is also passed to
+@code{geqn}, @code{grap}, and @code{ggrn}.
 
 @item -n@var{num}
 Number the first page @var{num}.