[MacPorts] #66838: m4 @1.4.19_1 does not install (register) its texinfo file in dir file

[MacPorts]

#66838: m4 @1.4.19_1 does not install (register) its texinfo file in dir file
------------------------+--------------------
  Reporter:  ballapete  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.8.1
Resolution:             |   Keywords:
      Port:  m4         |
------------------------+--------------------

Comment (by ballapete):

 This does not work so straight forward… The cause is that the INFO-DIR-
 SECTION of the INFO file contains:

 {{{
  15 INFO-DIR-SECTION Text creation and manipulation
  16 START-INFO-DIR-ENTRY
  17 * M4: (m4).                     A powerful macro processor.
  18 END-INFO-DIR-ENTRY
  }}}

 and so the `info` utility is directed to a file `m4.info` which does not
 actually exist.

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Ticket URL: <https://trac.macports.org/ticket/66838#comment:1>
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