[GHC] #10398: Support consecutive named Haddock comments

[GHC]

#10398: Support consecutive named Haddock comments
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        Reporter:  dmcclean          |                   Owner:
            Type:  bug               |                  Status:  closed
        Priority:  normal            |               Milestone:  7.12.1
       Component:  Compiler          |                 Version:  7.10.1
  (Parser)                           |
      Resolution:  fixed             |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Other             |               Test Case:
                                     |  haddock/should_compile_flag_haddock/T10398
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:  Phab:D1025
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Comment (by dmcclean):

 Thanks everyone!

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10398#comment:5>
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