[GHC] #14229: Contraditions in users_guide/using-warnings.html

[GHC]

#14229: Contraditions in users_guide/using-warnings.html
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        Reporter:  MikolajKonarski   |                Owner:  voanhduy1512
            Type:  bug               |               Status:  new
        Priority:  low               |            Milestone:
       Component:  Documentation     |              Version:  8.2.1
      Resolution:                    |             Keywords:  newcomers
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Documentation     |  Unknown/Multiple
  bug                                |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D4528
       Wiki Page:                    |
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Comment (by voanhduy1512):

 Replying to [comment:9 bgamari]:
 > Thanks again for picking this up!
 Replying to [comment:10 MikolajKonarski]:
 > Indeed, thank you, voanhduy1512.

 You are welcome.

 I have one more question: currently `-Wall` written in the form that's
 list warning that are not enable. But the code itself actually is `-W`
 plus few more warnings. So with more warning add to ghc, the doc will be
 very easy to be incorrect. Should we can the doc for -Wall to say what it
 included instead of excluded?

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14229#comment:11>
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