Simon Marlow wrote:
ANNOUNCING Happy 1.16 - The LALR(1) Parser Generator for Haskell
I'm pleased to announce version 1.16 of Happy, the parser generator
system for Haskell.
Changes from version 1.15 to 1.16
* Switch to a Cabal build system: you need a recent version of
Cabal (1.1.6 or later). If you have GHC 6.4.2, then you need to
upgrade Cabal before building Happy. GHC 6.6 is fine.
* New %error directive
* New production forms: {%% .. } and {%^ .. }
* Added Attribute Grammar support, by Robert Dockins
NOTE: Happy version 1.16 is required for building GHC version 6.6 and
later.
Small clarification: in fact only Happy 1.15 is required to build GHC 6.6, but
Happy 1.15 could not be built using GHC 6.6, so really 1.16/6.6 is the only
compatible combination.
Cheers,
Simon
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