[MacPorts] #37424: Update Xalan to v1.11

[MacPorts]

#37424: Update Xalan to v1.11
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  Reporter:  mathew@…  |      Owner:  mww@…
      Type:  update    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:
      Port:  xalanc    |
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Comment (by mathew@…):

 Thanks for the corrections... I don't generally make these, but had to
 update internally, so I thought I'd share the resulting Portfile.

 >* Please don't patch the Id line.
 Fixed.

 >* The revision should reset to 0 (the default) when the version
 increases.
 Fixed

 >* Using an md5 checksum by itself should be considered deprecated....
 Verified signature and generated additional checksums

 >* What's the problem with clang?
 There are no obvious problems with clang; Xalan builds just fine.
 Unfortunately, the resulting binary segfaults on a null pointer...
 presumably this is a compiler bug?

 >* Please don't add trailing whitespace.
 Fixed

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Ticket URL: <https://trac.macports.org/ticket/37424#comment:4>
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