[MacPorts] #50401: graphviz.app open command to find .gv, .dot files

[MacPorts]

#50401: graphviz.app open command to find .gv, .dot files
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 Reporter:  thurman.tom@…  |      Owner:  macports-tickets@…
     Type:  defect         |     Status:  new
 Priority:  Normal         |  Milestone:
Component:  ports          |    Version:  2.3.4
 Keywords:                 |       Port:  graphviz-gui @2.38.0
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 os: 10.11.2

 installed graphviz-gui @2.38.0_0 successfully.

 execute graphviz.app
 file->open-> to directory with .gv or .dot files.
 all files are 'greyed out'.

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Ticket URL: <https://trac.macports.org/ticket/50401>
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