[MacPorts] #16118: Add documentation for `port gohome`

[MacPorts]

#16118: Add documentation for `port gohome`
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  Reporter:  raimue at macports.org  |       Owner:  markd at macports.org     
      Type:  enhancement          |      Status:  new                    
  Priority:  Normal               |   Milestone:  Website & Documentation
 Component:  guide                |     Version:                         
Resolution:                       |    Keywords:  gohome documentation   
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Changes (by blb at macports.org):

 * cc: blb at macports.org (added)

Comment:

 I'll attach a diff for port.1 to add documentation for several commands:
 platform, gohome, usage, work, cd, url, and ed.  There are still several
 not listed in this diff, either because they appear to not be implemented
 yet (compact and uncompact) or I don't know how they work (submit, mirror,
 load, and unload).

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Ticket URL: <http://trac.macports.org/ticket/16118#comment:2>
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