[Pidgin] #11986: Separate HTTP and IM proxy servers no longer work in 2.7.0

[Pidgin]

#11986: Separate HTTP and IM proxy servers no longer work in 2.7.0
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 Reporter:  psmith2100  |        Owner:  rekkanoryo  
     Type:  defect      |       Status:  new         
Milestone:              |    Component:  unclassified
  Version:  2.7.0       |   Resolution:              
 Keywords:              |  
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Comment(by rekkanoryo at pidgin.im):

 (In [1724c0c7cbf56b08b5454e796b80173ec9aef481]):[[BR]]
 Very hackily implement a fallback mechanism in Yahoo, but not for Yahoo
 Japan
 because we don't know hosts we can fall back to there yet.  This fallback
 mechanism just blindly connects to scsa.msg.yahoo.com if the HTTP-based CS
 lookup fails.  I guarantee this will break in the future.  Refs #11986.

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Ticket URL: <http://developer.pidgin.im/ticket/11986#comment:33>
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