[GHC] #5401: LANGUAGE pragma parser nit

[GHC]

#5401: LANGUAGE pragma parser nit
----------------------------------+-----------------------------------------
    Reporter:  nwf                |       Owner:  igloo                    
        Type:  bug                |      Status:  new                      
    Priority:  normal             |   Milestone:  7.6.2                    
   Component:  Compiler (Parser)  |     Version:  7.0.3                    
    Keywords:                     |          Os:  Linux                    
Architecture:  x86_64 (amd64)     |     Failure:  GHC rejects valid program
  Difficulty:  Unknown            |    Testcase:                           
   Blockedby:                     |    Blocking:                           
     Related:                     |  
----------------------------------+-----------------------------------------
Changes (by igloo):

  * difficulty:  => Unknown


Old description:

> A language pragma like
>
> {-# LANGUAGE
>     TypeOperators,
>     FlexibleContexts #-}
>
> parses just fine but
>
> {-# LANGUAGE
>     TypeOperators,
>     FlexibleContexts
> #-}
>
> doesn't, saying:
>
>     Cannot parse LANGUAGE pragma
>     Expecting comma-separated list of language options,
>     each starting with a capital letter
>
> An OPTIONS pragma, on the other hand, accepts either format without
> complaint.

New description:

 A language pragma like
 {{{
 {-# LANGUAGE
     TypeOperators,
     FlexibleContexts #-}
 }}}
 parses just fine but
 {{{
 {-# LANGUAGE
     TypeOperators,
     FlexibleContexts
 #-}
 }}}
 doesn't, saying:
 {{{
     Cannot parse LANGUAGE pragma
     Expecting comma-separated list of language options,
     each starting with a capital letter
 }}}
 An OPTIONS pragma, on the other hand, accepts either format without
 complaint.

--

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5401#comment:4>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler