[MacPorts] #20536: emacs-app: update to 23.1

[MacPorts]

#20536: emacs-app: update to 23.1
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 Reporter:  css@…             |       Owner:  css@…           
     Type:  update            |      Status:  assigned        
 Priority:  Normal            |   Milestone:                  
Component:  ports             |     Version:  1.7.1           
 Keywords:                    |        Port:  emacs-app       
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Comment(by css@…):

 Replying to [comment:7 jeff@…]:
 > An initial Portfile for 23.1 is available
 [http://github.com/jmhodges/ports/tree/a391c021803957d192fa1867f7a96138efa2f78c/aqua
 /emacs-app on github].

 This seems like it works well ... was there a particular reason you
 removed the custom site-start.el? This file made Emacs.app load lisp files
 installed by other ports into ${prefix}/share/emacs.

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Ticket URL: <http://trac.macports.org/ticket/20536#comment:8>
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