[groff] 08/12: [mm]: Define `:P` register as an alias of `ft*nr`.

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit 0ccde3daa47455dbfcd41acc94ad4ed6610e1243
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Wed Aug 3 15:55:23 2022 -0500

    [mm]: Define `:P` register as an alias of `ft*nr`.
    
    The former name is a documented DWB mm feature.
---
 contrib/mm/ChangeLog      | 5 +++++
 contrib/mm/groff_mm.7.man | 7 +++++++
 contrib/mm/m.tmac         | 1 +
 3 files changed, 13 insertions(+)

diff --git a/contrib/mm/ChangeLog b/contrib/mm/ChangeLog
index 25fed3c17..8b24f87d8 100644
--- a/contrib/mm/ChangeLog
+++ b/contrib/mm/ChangeLog
@@ -1,3 +1,8 @@
+2022-08-03  G. Branden Robinson <g.branden.robinson@gmail.com>
+
+       * m.tmac (:P): Define register as an alias of `ft*nr`; the
+       former name is a documented DWB mm feature.
+
 2022-08-01  G. Branden Robinson <g.branden.robinson@gmail.com>
 
        * groff_mm.7.man: Document more features.
diff --git a/contrib/mm/groff_mm.7.man b/contrib/mm/groff_mm.7.man
index f0f957fd7..ece514efb 100644
--- a/contrib/mm/groff_mm.7.man
+++ b/contrib/mm/groff_mm.7.man
@@ -3889,6 +3889,13 @@ Always\~1.
 .
 .
 .TP
+.B :P
+auto-incrementing footnote counter;
+see macro
+.B FS
+.
+.
+.TP
 .B :R
 auto-incrementing reference counter;
 see
diff --git a/contrib/mm/m.tmac b/contrib/mm/m.tmac
index 04265222d..6cb77bc62 100644
--- a/contrib/mm/m.tmac
+++ b/contrib/mm/m.tmac
@@ -1656,6 +1656,7 @@ in=\\n[.i] fi=\\n[.u] .d=\\n[.d] nl=\\n[nl] pg=\\n[%]
 .nr ft*note-size 0
 .nr ft*busy 0
 .nr ft*nr 0 1
+.aln :P ft*nr
 .nr ft*wide 0
 .nr ft*hyphen 0\"      hyphenation value
 .nr ft*adjust 1\"      >0 if adjust true