id	summary	reporter	owner	description	type	status	priority	milestone	component	resolution	keywords	cc
191	Users confused by presence of Data.Binary in docs, but not in platform	Laurentg	dcoutts	"After installing from scratch, creating a file with the following content:
{{{
import Data.Binary.Get
}}}

(Yes, nothing else.)
and running it through ghc results in the following error message:
{{{
$> runghc test.hs 
test.hs:1:8:
    Could not find module `Data.Binary.Get':
      It is a member of the hidden package `ghc-binary-0.5.0.2'.
      Use -v to see a list of the files searched for.
}}}

Running it this way works fine though:
{{{
laurent@IceShelf: openGL1$ runghc -package ghc-binary-0.5.0.2 test.hs
<interactive>:1:42: Not in scope: `main'
}}}

I am not sure why this package is hidden?

Since it is part of the Haskell Platform installation and fully visible in the corresponding locally installed docs one would expect it either to not be hidden or to have some mention in its documentation that it is hidden and thus requires an additional flag to be visible from GHC.
"	defect	new	minor	2012.4.0.0	Policy		hidden package	haskell.org@…