[GHC] #15546: Display coaxiom branch incompatibilities in GHCi

[GHC]

#15546: Display coaxiom branch incompatibilities in GHCi
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        Reporter:  mniip             |                Owner:  mniip
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:  8.6.1
       Component:  GHCi              |              Version:  8.4.3
      Resolution:                    |             Keywords:  TypeFamilies,
                                     |  GHCi
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D5097
       Wiki Page:                    |
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Comment (by Simon Peyton Jones <simonpj@…>):

 In [changeset:"4b79329f24dfdf907f223ff9fc41c77d9df86e04/ghc"
 4b79329f/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="4b79329f24dfdf907f223ff9fc41c77d9df86e04"
 Add comments about pretty-printing via IfaceSyn

 Provoked by discussion on Phab:D5097 (Trac #15546), I'm adding
 a big Note explaing the strategy of pretty-printing via IfaceSyn
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15546#comment:8>
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