[GHC] #4977: Warning about unqualified implicit imports

[GHC]

#4977: Warning about unqualified implicit imports
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    Reporter:  Lemming           |        Owner:              
        Type:  feature request   |       Status:  new         
    Priority:  normal            |    Milestone:              
   Component:  Compiler          |      Version:  7.0.1       
    Keywords:                    |     Testcase:              
   Blockedby:                    |   Difficulty:              
          Os:  Unknown/Multiple  |     Blocking:              
Architecture:  Unknown/Multiple  |      Failure:  None/Unknown
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Comment(by Lemming):

 Replying to [comment:6 simonmar]:

 > Doesn't `-fwarn-missing-import-lists` do what you want?

 I did not know about this option, since it is not listed in:

 http://www.haskell.org/ghc/docs/7.0-latest/html/users_guide/options-
 sanity.html

 Now that you mention it, I could find it in
 http://www.haskell.org/ghc/docs/7.0-latest/html/users_guide/flag-
 reference.html#id3106416
 and its short description sounds, like it could be useful for me, but I am
 not entirely sure.

 Thus at least I'd like to read a more detailed description of that flag.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4977#comment:7>
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