[GHC] #10073: Idris REPL is pretty and we can too

[GHC]

#10073: Idris REPL is pretty and we can too
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              Reporter:  bitemyapp   |             Owner:
                  Type:  feature     |            Status:  new
  request                            |         Milestone:
              Priority:  normal      |           Version:  7.8.4
             Component:  GHCi        |  Operating System:  Unknown/Multiple
              Keywords:              |   Type of failure:  None/Unknown
          Architecture:              |        Blocked By:
  Unknown/Multiple                   |   Related Tickets:
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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 Manual for configuring colors in the Idris REPL: https://github.com/idris-
 lang/Idris-dev/wiki/Manual#colours
 Screenshot: http://i.imgur.com/rYHCI4T.png

 Particularly, I'd like to make type errors and warnings more visually
 distinct. I think little touches like this can go a long way to making it
 nice to work with Haskell code.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10073>
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