[MacPorts] #56948: Update LaTeXML to version 0.8.3

[MacPorts]

#56948: Update LaTeXML to version 0.8.3
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  Reporter:  brucemiller  |      Owner:  (none)
      Type:  update       |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  LaTeXML      |
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Changes (by brucemiller):

 * Attachment "Portfile" added.

 Portfile for 0.8.3

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Ticket URL: <https://trac.macports.org/ticket/56948>
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