[bug #62357] [build] tests using "locale charmap" skipped on macOS

[G. Branden Robinson]

Update of bug #62357 (project groff):

                  Status:             In Progress => Fixed                  
             Open/Closed:                    Open => Closed                 
         Planned Release:                    None => 1.23.0                 

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Follow-up Comment #18:


commit e197762252f0dd75f50fd3a50e0273b812ec5793
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
Date:   Fri May 20 05:14:11 2022 -0500

    [tests]: Fix "od -c" portability problem.
    
    * src/devices/grotty/tests/basic_latin_glyphs_map_correctly.sh: Fix
      portability problem: POSIX says that "od -c" (and "od -t c") are
      supposed to emit printing characters as defined by the underlying
      locale, but GNU coreutils od doesn't do this and macOS od does.  Set
      `LC_ALL` to "C" when running it to force 3-digit octal reporting of
      characters with their eighth bit set.
    
    Fixes <https://savannah.gnu.org/bugs/?62357>.  Thanks to John
    Gardner for the report.  Also see <https://pubs.opengroup.org/\
    onlinepubs/9699919799/utilities/od.html>.



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