[MacPorts] #25330: sane-backends 1.0.21 and variants to limit which backends are built

[MacPorts]

#25330: sane-backends 1.0.21 and variants to limit which backends are built
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  Reporter:  aguynamedryan+macports@…          |       Owner:  macports-tickets@…                   
      Type:  enhancement                       |      Status:  closed                               
  Priority:  Normal                            |   Milestone:                                       
 Component:  ports                             |     Version:  1.9.1                                
Resolution:  fixed                             |    Keywords:  haspatch                             
      Port:  sane-backends                     |  
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Comment(by ryandesign@…):

 Sorry, there isn't any documentation about the notes feature in the guide
 or in the wiki yet. You'd have to have seen the messages on the mailing
 list discussing the feature, or looked at the few ports that use it to see
 how it works.

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Ticket URL: <http://trac.macports.org/ticket/25330#comment:12>
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