[MacPorts] #12885: parse_environment chokes on empty variables

[MacPorts]

#12885: parse_environment chokes on empty variables
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  Reporter:  afb@…             |       Owner:  macports-tickets@…                   
      Type:  defect            |      Status:  closed                               
  Priority:  Normal            |   Milestone:  MacPorts 1.6                         
 Component:  base              |     Version:  1.6.0                                
Resolution:  fixed             |    Keywords:                                       
      Port:                    |  
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Changes (by jmr@…):

  * milestone:  MacPorts Future => MacPorts 1.6


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Ticket URL: <http://trac.macports.org/ticket/12885#comment:5>
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