[groff] 13/35: tmac/an-ext.tmac: Trivially refactor.

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit c445186bb7b460a618d7e555a688ae5a4a72600b
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Wed Feb 16 15:51:23 2022 +1100

    tmac/an-ext.tmac: Trivially refactor.
    
    * tmac/an-ext.tmac: Trivially refactor.  Use a better idiom (seen in
      James Clark's changes to BSD me(7)) for conditionally defining a
      (simple) macro.
---
 ChangeLog        |  6 ++++++
 tmac/an-ext.tmac | 17 ++++++++---------
 2 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 87e6ca4c..4474b5a7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2022-02-16  G. Branden Robinson <g.branden.robinson@gmail.com>
+
+       * tmac/an-ext.tmac: Trivially refactor.  Use a better idiom
+       {seen in James Clark's changes to BSD me(7)} for conditionally
+       defining a (simple) macro.
+
 2022-02-16  G. Branden Robinson <g.branden.robinson@gmail.com>
 
        * src/devices/grotty/tty.cpp (tty_printer::special): Warn upon
diff --git a/tmac/an-ext.tmac b/tmac/an-ext.tmac
index 8e6911e8..78af9b4d 100644
--- a/tmac/an-ext.tmac
+++ b/tmac/an-ext.tmac
@@ -212,16 +212,15 @@
 .
 .\" Set a man page cross reference.
 .\" .MR page-title page-section [trailing-text]
-.if !\n(.g \{\
-.  de MR
-.    nh
-.    ie \\n(.$=1 \
-.      I \\$1
-.    el \
-.      IR \\$1 (\\$2)\\$3
-.    hy \\n(HY
+.if \n(.g .ig
+.de MR
+.  nh
+.  ie \\n(.$=1 \
+.    I \\$1
+.  el \
+.    IR \\$1 (\\$2)\\$3
+.  hy \\n(HY
 ..
-.\}
 .
 .
 .\" Continuation line for .TP header.