[GHC] #4273: TextEncoding lacks Eq and Show instances

[GHC]

#4273: TextEncoding lacks Eq and Show instances
------------------------------+---------------------------------------------
  Reporter:  bos              |          Owner:  simonmar        
      Type:  feature request  |         Status:  closed          
  Priority:  normal           |      Milestone:  7.0.1           
 Component:  libraries/base   |        Version:  6.12.3          
Resolution:  fixed            |       Keywords:                  
  Testcase:                   |      Blockedby:                  
Difficulty:                   |             Os:  Unknown/Multiple
  Blocking:                   |   Architecture:  Unknown/Multiple
   Failure:  None/Unknown     |  
------------------------------+---------------------------------------------

Comment(by bos):

 Thanks. Any particular reason you didn't go for Eq too?

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4273#comment:3>
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