jgart via Guix-patches via writes: > * gnu/packages/haskell-xyz.scm (ghc-parsec): New variable. > --- > gnu/packages/haskell-xyz.scm | 24 ++++++++++++++++++++++++ > 1 file changed, 24 insertions(+) Thanks, I've pushed this to master as a8b2decf287498eeb51ef23712c5bd01b60cb18b. Chris