[bug #63332] recent fallbacks.tmac change degrades ASCII output

[G. Branden Robinson]

Update of bug #63332 (project groff):

                  Status:             In Progress => None                   
         Planned Release:                  1.23.0 => None                   

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Follow-up Comment #9:

Parking this issue until after the groff 1.23.0 release as it is now
"mitigated".


commit 563fd71746331f5feafe87a468d0326e8bfc8786
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
Date:   Sun Nov 27 03:30:38 2022 -0600

    tmac/fallbacks.tmac: Mitigate Savannah #63332.
    
    * tmac/fallbacks.tmac: Comment out four of the fallback character
      definitions for (preconv'd) Unicode character input added to address
      Savannah #58930 (corresponding to \[dg], \[dd], \[%0], and \[rn]; they
      are failing for not yet understood reasons involving "macros" attached
      to groff character info structs, and the semantics of what it means
      for a character to "exist" per the 'c' conditional operator.  Fixes
      regression when using "tty-char.tmac" (which nroff loads by default).
      Problem introduced by me in commit 132182bd71, 23 October.  The hope
      is to resolve this issue post-groff 1.23.0.  Thanks to Dave Kemper for
      the report and discussion in Savannah #63332.



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