[MacPorts] #21770: add shell variant to vim

[MacPorts]

#21770: add shell variant to vim
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 Reporter:  avsm@…             |       Owner:  macports-tickets@…                   
     Type:  enhancement        |      Status:  new                                  
 Priority:  Normal             |   Milestone:                                       
Component:  ports              |     Version:  1.8.1                                
 Keywords:                     |        Port:  vim                                  
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 vimshell (http://www.wana.at/vimshell/) is a patch to add interactive
 shell support into vim via :vimshell.

 I adapted the Arch Linux patch
 (http://aur.archlinux.org/packages.php?ID=20397) to the Macports version
 of VIM as a variant +shell.

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Ticket URL: <http://trac.macports.org/ticket/21770>
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