[MacPorts] #46896: LaTeXML: update to 0.8.1 and fix Perl branches

[MacPorts]

#46896: LaTeXML: update to 0.8.1 and fix Perl branches
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  Reporter:  bruce.miller@…  |      Owner:  macports-tickets@…
      Type:  update          |     Status:  new
  Priority:  Normal          |  Milestone:
 Component:  ports           |    Version:
Resolution:                  |   Keywords:  maintainer haspatch
      Port:  latexml         |
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Comment (by mojca@…):

 But of course one then ends up with `bin/perlcritic-5.20` instead of
 `bin/perlcritic`. That could be fixed with some tricks, for example by
 creating a "blank" port `perlcritic` doing nothing else but adding a
 dependency on `p5.x-perl-critic` and creating a symlink to the binary. Or
 any other trick.

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Ticket URL: <https://trac.macports.org/ticket/46896#comment:10>
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