[MacPorts] #16012: fish: error: AC_SUBST: `docdir ' is not a valid shell variable name

[MacPorts]

#16012: fish: error: AC_SUBST: `docdir ' is not a valid shell variable name
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  Reporter:  tim at dysinger.net  |       Owner:  eridius at macports.org
      Type:  defect            |      Status:  new                 
  Priority:  Normal            |   Milestone:  Port Bugs           
 Component:  ports             |     Version:  1.6.0               
Resolution:                    |    Keywords:  fish                
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Comment (by ryandesign at macports.org):

 See same error message for gpsbabel in #15870.

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Ticket URL: <http://trac.macports.org/ticket/16012#comment:4>
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