[GHC] #13000: minor doc bug about list fusion in GHC user's guide

[GHC]

#13000: minor doc bug about list fusion in GHC user's guide
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        Reporter:  George            |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  low               |            Milestone:
       Component:  Documentation     |              Version:  8.0.1
      Resolution:                    |             Keywords:
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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Changes (by George):

 * cc: nomeata (added)


Comment:

 I believe as a result of the work of Joachim Breitner there are other
 functions that are good consumers. e.g. sum, product, foldl and foldl'.
 We should get Joachim to confirm those and possibly others

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13000#comment:1>
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