[GHC] #8809: Prettier error messages?

[GHC]

#8809: Prettier error messages?
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        Reporter:  joelteon          |                   Owner:
            Type:  feature request   |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Compiler          |                 Version:  7.9
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Comment (by bgamari):

 David Christiansen's talk at HIW 2015 is also relevant here,
  - [https://www.youtube.com/watch?v=m7BBCcIDXSg&list
 =PLnqUlCo055hVfNkQHP7z43r10yNo-mc7B&index=10 A pretty printer that says
 what it means (2015 edition)]

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8809#comment:13>
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