[bug #60704] [mm] debugging output interpolates undefined string

[G. Branden Robinson]

URL:
  <https://savannah.gnu.org/bugs/?60704>

                 Summary: [mm] debugging output interpolates undefined string
                 Project: GNU troff
            Submitted by: gbranden
            Submitted on: Sun 30 May 2021 08:40:26 AM UTC
                Category: Macro - mm
                Severity: 2 - Minor
              Item Group: Warning/Suspicious behaviour
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None

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Details:


$ echo | groff -ww -Tascii -rD1 -mm -z
Groff mm, version troff: /usr/share/groff/1.22.4/tmac/m.tmac:364: warning:
macro 'RE' not defined
.


Problem appears to date back to:


commit d6d98d2b3e0ad070037073bb288bbaee3fc04cf0
Author:     Eric S. Raymond <esr@thyrsus.com>
AuthorDate: Sun Dec 8 12:51:42 2013 -0500
Commit:     Eric S. Raymond <esr@thyrsus.com>
CommitDate: Sun Dec 8 12:51:42 2013 -0500

    First git commit.  Remove obsolete $Id$ and $Revision$ cookies.

diff --git a/contrib/mm/m.tmac b/contrib/mm/m.tmac
index 2a33c77b..ee5f908c 100644
--- a/contrib/mm/m.tmac
+++ b/contrib/mm/m.tmac
@@ -1,10 +1,3 @@
-.\"  
-.de @revision
-.ds RE \\$2
-..
-.\"
-.\" $Id$
-.@revision $Revision$
 .ig
 
 Copyright (C) 1991-2006, 2009-2011





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