[GHC] #1232: generalise runhaskell to support arbitrary file names, not just those with .{l}hs extensions

[GHC]

#1232: generalise runhaskell to support arbitrary file names, not just those with
.{l}hs extensions
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 Reporter:  Frederik         |          Owner:             
     Type:  feature request  |         Status:  new        
 Priority:  normal           |      Milestone:  6.8        
Component:  Compiler         |        Version:  6.6        
 Severity:  normal           |     Resolution:             
 Keywords:  runhaskell       |     Difficulty:  Easy (1 hr)
 Testcase:                   |   Architecture:  Multiple   
       Os:  Unknown          |  
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Comment (by heringtonlacey at mindspring.com):

 Choosing a "default" (between .hs and .lhs) for the syntax of a Haskell
 script makes no sense to me.  We should support both forms, and the #!
 line should simply indicate the form of the remainder of the script.  How
 the form is indicated there is an appropriate topic for discussion.  We
 should choose a scheme that can be extended to accommodate other forms in
 the future.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1232>
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