[GHC] #13146: Doc for RealWorld refers to non-existent "ptrArg"

[GHC]

#13146: Doc for RealWorld refers to non-existent "ptrArg"
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        Reporter:  chris-martin      |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Prelude           |              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 RyanGlScott):

 * cc: simonmar (added)


Comment:

 Huh, that's quite an unusual description. A quick search reveals that
 Simon Marlow added this description to `RealWorld` all the way back in
 2007:
 http://git.haskell.org/ghc.git/blobdiff/e07e2550074ddc7d96e2092e56add418403bd29a..604539cd8f4577198535d30d61e3c9e4f20e2745:/compiler/prelude/primops.txt.pp

 Simon, do you recall what you meant by "`ptrArg`"?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13146#comment:1>
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