[GHC] #11021: Document best practices for bringing up Sphinx on Windows

[GHC]

#11021: Document best practices for bringing up Sphinx on Windows
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        Reporter:  bgamari        |                Owner:  Phyx-
            Type:  task           |               Status:  patch
        Priority:  normal         |            Milestone:  8.0.1
       Component:  Documentation  |              Version:  7.11
      Resolution:                 |             Keywords:
Operating System:  Windows        |         Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown   |            Test Case:
      Blocked By:                 |             Blocking:
 Related Tickets:                 |  Differential Rev(s):  Phab:D1408
       Wiki Page:                 |
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Comment (by Tamar Christina <tamar@…>):

 In [changeset:"6bef55c6b561080c5ddff73f2c501e40acee86ef/ghc"
 6bef55c6/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="6bef55c6b561080c5ddff73f2c501e40acee86ef"
 Fix documentation build on windows

 Summary:
 Fix building new Sphinx documenation on Windows in msys2 using Awson's
 patch on #11021.

 Install Sphinx using `pacman -S mingw-w64-$(uname -m)-python2-sphinx`

 Test Plan: Apply patch and ./validate

 Reviewers: thomie, bgamari, austin

 Reviewed By: thomie, bgamari

 Subscribers: erikd

 Differential Revision: https://phabricator.haskell.org/D1408

 GHC Trac Issues: #11021
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11021#comment:5>
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