sig_doc (NoInlineSig _ _ loc) = (SLIT("NOINLINE pragma"),loc)
sig_doc (SpecInstSig _ loc) = (SLIT("SPECIALISE instance pragma"),loc)
sig_doc (FixSig (FixitySig _ _ loc)) = (SLIT("fixity declaration"), loc)
sig_doc (NoInlineSig _ _ loc) = (SLIT("NOINLINE pragma"),loc)
sig_doc (SpecInstSig _ loc) = (SLIT("SPECIALISE instance pragma"),loc)
sig_doc (FixSig (FixitySig _ _ loc)) = (SLIT("fixity declaration"), loc)