#3647: unify handling and error messages for -X vs. {-#LANGUAGE ...#-}
  Reporter:  eflister           |          Owner:  igloo                        
      Type:  feature request    |         Status:  new                          
  Priority:  normal             |      Milestone:  7.6.2                        
 Component:  Compiler (Parser)  |        Version:  6.10.4                       
Resolution:                     |       Keywords:  language pragma extensions 
error message warning
        Os:  Unknown/Multiple   |   Architecture:  Unknown/Multiple             
   Failure:  None/Unknown       |     Difficulty:  Unknown                      
  Testcase:                     |      Blockedby:                               
  Blocking:                     |        Related:                               
Changes (by igloo):

  * difficulty:  => Unknown


 The main problem I find with "-XFoo" is that you can't easily select it
 just by double clicking on it. That means that if you want to put it into
 a LANGUAGE pragma then you have to manually select everything apart from
 the X.

 What do people think about allowing "-X Foo" as a command-line flag, and
 then using that form in error messages?

Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3647#comment:16>
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