ppParas paras = char '#' <> ppParaList paras
    where ppParaList = lineParens . commasep . map ppParamDecl0
ppParas paras = char '#' <> ppParaList paras
    where ppParaList = lineParens . commasep . map ppParamDecl0
ppParas paras = char '#' <> ppParaList paras
    where ppParaList = lineParens . commasep . map ppParamDecl0