[MacPorts] #22262: Unable to open port: invalid command name "ui_channels" (was: gnuplot 4.2.5 install error)

[MacPorts]

#22262: Unable to open port: invalid command name "ui_channels"
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 Reporter:  gkg@…        |       Owner:  macports-tickets@…                   
     Type:  defect       |      Status:  new                                  
 Priority:  Normal       |   Milestone:                                       
Component:  base         |     Version:  1.8.1                                
 Keywords:               |        Port:                                       
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Comment(by jmr@…):

 As I mentioned in the duplicate ticket #24588, the existence of
 ui_channels is explicitly checked before calling it. So this looks like a
 Tcl bug, and since most people don't have this problem, I would suspect
 modifications to Apple's stock Tcl installation.

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Ticket URL: <http://trac.macports.org/ticket/22262#comment:5>
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