[bug #66476] [PATCH] use strict POSIX.1-2017 regexes with grep and sed

[G. Branden Robinson]

Update of bug #66476 (group groff):

                  Status:             In Progress => Fixed
             Open/Closed:                    Open => Closed
         Planned Release:                    None => 1.24.0

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Follow-up Comment #2:


commit a6bb85ea44726a1f0a7761a3a962a5941478a992
Author: Paul Eggert <eggert@cs.ucla.edu>
Date:   Fri Nov 22 10:59:33 2024 -0800

    Fix Savannah #66476 (strict POSIX.1-2017 regexes)
    
    * arch/djgpp/config.sed:
    * bootstrap.conf:
    * contrib/mm/tests/lists-indent-correctly.sh:
    * src/roff/groff/tests/backslash-X-works.sh:
    * src/roff/groff/tests/device-control-special-character-handling.sh:
    * src/roff/groff/tests/device-request-works.sh: Use strict POSIX.1-2017
      regexes with grep and sed.
    
    In POSIX.1-2017, the regular expression '\]' has undefined behavior.
    In POSIX.1-2024 it's equivalent to ']', but the groff build process
    should not yet rely on this.
    
    Fixes <https://savannah.gnu.org/bugs/?66476>.




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