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Diffstat (limited to 'docs/users_guide/bugs.rst')
| -rw-r--r-- | docs/users_guide/bugs.rst | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/docs/users_guide/bugs.rst b/docs/users_guide/bugs.rst index 009f699512..1106f161b9 100644 --- a/docs/users_guide/bugs.rst +++ b/docs/users_guide/bugs.rst @@ -26,8 +26,8 @@ Divergence from Haskell 98 and Haskell 2010 By default, GHC mainly aims to behave (mostly) like a Haskell 2010 compiler, although you can tell it to try to behave like a particular -version of the language with the :ghc-flag:`-XHaskell98` and -:ghc-flag:`-XHaskell2010` flags. The known deviations from the standards are +version of the language with the :extension:`Haskell98` and +:extension:`Haskell2010` flags. The known deviations from the standards are described below. Unless otherwise stated, the deviation applies in Haskell 98, Haskell 2010 and the default modes. @@ -45,7 +45,7 @@ Lexical syntax - ``forall`` is always a reserved keyword at the type level, contrary to the Haskell Report, which allows type variables to be named ``forall``. Note that this does not imply that GHC always enables the - :ghc-flag:`-XExplicitForAll` extension. Even without this extension enabled, + :extension:`ExplicitForAll` extension. Even without this extension enabled, reserving ``forall`` as a keyword has significance. For instance, GHC will not parse the type signature ``foo :: forall x``. @@ -277,7 +277,7 @@ Numbers, basic types, and built-in classes ``Read`` class methods The ``Read`` class has two extra methods, ``readPrec`` and ``readListPrec``, that are not found in the Haskell 2010 since they rely - on the ``ReadPrec`` data type, which requires the :ghc-flag:`-XRankNTypes` + on the ``ReadPrec`` data type, which requires the :extension:`RankNTypes` extension. GHC also derives ``Read`` instances by implementing ``readPrec`` instead of ``readsPrec``, and relies on a default implementation of ``readsPrec`` that is defined in terms of ``readPrec``. GHC adds these two |