[GHC] #15146: Documentation: ScopedTypeVariables feature not mentioned/misleadingly described

[GHC]

#15146: Documentation: ScopedTypeVariables feature not mentioned/misleadingly
described
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        Reporter:  AntC              |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.6.1
       Component:  Documentation     |              Version:  8.2.2
      Resolution:                    |             Keywords:  newcomer,
                                     |  ScopedTypeVariables
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Documentation     |  Unknown/Multiple
  bug                                |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by AntC):

 Replying to [comment:1 bgamari]:
 > It would be great if someone could offer a patch for this.

 (Thanks Ben for your help in piloting me through the process.)

 Please see [https://github.com/ghc/ghc/pull/137 this Pull Request].

 Hope I've done everything right. It was a bit daunting editting the whole
 of `glasgow_exts` as one monstrous file. I have (I hope) touched only
 section 10.16.

 > Misleading documentation is in many ways worse than no documentation.

 I've at least corrected the most egregious errors. I also reviewed
 refs/links to ScopedTypeVariables from other sections. (Some of them were
 more accurate than 10.16 itself ;-) No other changes needed on this topic
 IMO.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15146#comment:2>
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