[MacPorts] #52767: port lint should warn when modeline is missing

[MacPorts]

#52767: port lint should warn when modeline is missing
--------------------------+--------------------------------
  Reporter:  ryandesign   |      Owner:  macports-tickets@…
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  base         |    Version:  2.3.4
Resolution:               |   Keywords:
      Port:               |
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Comment (by ryandesign):

 In [changeset:"24d3bd45be4359eb10fde4704e314b2df081eade/macports-base"
 24d3bd45be4359eb10fde4704e314b2df081eade/macports-base] (master):
 {{{
 #!ConfigurableCommitTicketReference repository="macports-base"
 revision="24d3bd45be4359eb10fde4704e314b2df081eade"
 Check for tab characters in port lint

 If a portfile uses a modeline that says tabs should be expanded, warn if
 the portfile contains unexpanded tab characters.

 See: https://trac.macports.org/ticket/52767
 }}}

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Ticket URL: <https://trac.macports.org/ticket/52767#comment:5>
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