clean up haddock for hidden modules about cabal HOT 5 CLOSED

(Imported comment by @SyntaxPolice on 2005-11-13)

partial patch

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(Imported comment by anonymous on 2005-11-13)

In fact, this patch handles all of the above cases. Applying and closing this bug :) Thanks, Einar.

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(Imported comment by @SyntaxPolice on 2005-11-13)

Ross says:

Haddock complains if a module has two module attribute lines, which
it will have if the author has already put one there (or if you run
setup haddock twice?). You could check for a module attribute line,
but I think it's simpler just to require authors to put the #hide in.
Redundant and a little tedious, but modifying source files is clunky.

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(Imported comment by anonymous on 2005-11-14)

On 14.11 10:29, Krasimir Angelov wrote:

Some time ago I added support for haddock-izing hidden modules. Cabal just have to supply --hide <module> command line option to Haddock. What is wrong with this and why we need to add #hide pragmas?

The patch in question was created on 14th july, while Haddock
0.7 which added --hide was released in august. That explains
why there was no --hide. Using it --hide is better now that
Haddock supports it.

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(Imported comment by ross on 2005-11-14)

fixed by patch "cvs pulls from krasimir and ross" 31 Oct 2005.

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