[Hackage] #514: Detect and warn about documentation with broken links.

[Hackage]

#514: Detect and warn about documentation with broken links.
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  Reporter:  duncan               |        Owner:     
      Type:  defect               |       Status:  new
  Priority:  normal               |    Milestone:     
 Component:  hackageDB website    |      Version:     
  Severity:  normal               |     Keywords:     
Difficulty:  very hard (<1 week)  |   Ghcversion:     
  Platform:                       |  
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 There are numerous broken links in the haddock documentation on hackage.
 Some of these are the result of syntactic mistakes in the markup (eg
 forgetting to escape quotation marks) and some are just plain stale links.

 We should have a mechanism to check for such problems and report them to
 the package author. This would probably involve parsing the html files to
 look for links. Detecting broken links that are internal to the docs for a
 single package is not too hard. Broken cross-package links is a bit
 harder. Detecting stale external links would need to make http GET
 requests.

-- 
Ticket URL: <http://hackage.haskell.org/trac/hackage/ticket/514>
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