Somebody signing messages as Felipe Lessa wrote:
OTOH, the pragma is mostly harmless for older GHC versions, while the
keyword approach needs a preprocessor.

Only if *both* the old LANGUAGE pragma and the new pragma were employed, which will generate a deprecation warning for awhile and then eventually (likely) be rejected by newer GHCs, thus requiring a prepropcessor in either case.

--
Stephen Paul Weber, @singpolyma
See <http://singpolyma.net> for how I prefer to be contacted
edition right joseph
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