[MacPorts] #18607: port outdated fails in trunk since r47110.

[MacPorts]

#18607: port outdated fails in trunk since r47110.
---------------------------------+------------------------------------------
 Reporter:  devans@…             |       Owner:  jmr@…           
     Type:  defect               |      Status:  new             
 Priority:  Normal               |   Milestone:  MacPorts 1.8.0  
Component:  base                 |     Version:  1.8.0           
 Keywords:  outdated portindex   |        Port:                  
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 Running MacPorts trunk r47210
 {{{
 % port outdated
 The following installed ports are outdated:
 doxygen                        1.5.7.1_0 < 1.5.8_1
 Warning: It looks like your PortIndex file may be corrupt.
 Error: search for portname xine-lib failed: bad argument "": should be
 "nonewline"
 }}}
 This has persisted through several updates to PortIndex

 Reverting to MacPorts trunk r47109 fixes the problem. I assume that
 this has to do with the changes committed in r47110. Not effected
 by changes in r47206.

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Ticket URL: <http://trac.macports.org/ticket/18607>
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