[Haskell-cafe] Re: [Haskell] ANNOUNCE: parsec2 - a fork or parsec circa 2.1

Jean-Philippe Bernardy bernardy at chalmers.se
Mon Aug 2 02:24:04 EDT 2010

Can you explain why you could not use the parsec name,
with revision number (say) 2.2?

This would help improve hackage/cabal/... versioning mechanism.


On Mon, Aug 2, 2010 at 4:27 AM, Antoine Latter <aslatter at gmail.com> wrote:
> Hello,
> I would like to announce the parsec2 package, which is a maintained
> fork of the parsec library as of version
> This project is for folks who would like to use the simpler interface
> and fewer extensions relative to parsec-3.0+, but don't want to rely
> on an old version of a package on hackage.
> Parsec is designed from scratch as an industrial-strength parser
> library. It is simple, safe, well documented (on the package
> homepage), has extensive libraries and good error messages, and is
> also fast.
> Changes relative to parsec-
>  * Added haddocks done for parsec-3
>  * in Parsec.Token, sort names after accounting for case sensitivity,
> not before
>  from: Greg Fitzgerald
> When I say that I'm maintaining the parsec2 package, that means I am
> accepting bugfix patches and doing work to ensure that the package
> builds on the current version of GHC. Patches are welcome to support
> building on any other Haskell implementations. Any inovations in the
> field of parser combinators will be happening in other venues.
> Documentation patches are also welcome.
> I'm not quite sure what to do about the fact that both parsec2 and
> mainline parsec provide modules of the same name. If there's motion
> towards using the parsec2 package, we might be able to deprecate and
> then retire the compatibility layer provided by parsec-3.*.
> Links:
> On Hackage: http://hackage.haskell.org/package/parsec2-1.0.0
> Source repository: darcs get http://code.haskell.org/parsec2/parsec2
> Report a bug: http://trac.haskell.org/parsec2/newticket
> Antoine
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