[MacPorts] #46507: QtCurve update with support for Qt5

[MacPorts]

#46507: QtCurve update with support for Qt5
--------------------------+---------------------------------
  Reporter:  RJVB         |      Owner:  mkae
      Type:  enhancement  |     Status:  accepted
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:  haspatch maintainer
      Port:  QtCurve      |
--------------------------+---------------------------------

Comment (by mkae):

 What's the secrect behind the version numbering scheme here:
 {{{
 if {${subport} ne "${name}-gtk2"} {
     git.branch      ae2aa694d36630d0d4948a2088256dc06c4134e9
     version         ${qtc_version}.262
     epoch           2
 } else {
     # newer GTk2 engine versions have issues with respecting the selected
 font and "icons in buttons" setting
     git.branch      e3e2325e
     version         ${qtc_version}.20150127
 }
 }}}
 Why seems one to be some index and the other a date?

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Ticket URL: <https://trac.macports.org/ticket/46507#comment:20>
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