systemliteral :: XParser SystemLiteral
systemliteral = do
    s <- bracket (tok TokQuote) (commit $ tok TokQuote) freetext
    return (SystemLiteral s)            -- note: refs &...; not permitted
systemliteral :: XParser SystemLiteral
systemliteral = do
    s <- bracket (tok TokQuote) (commit $ tok TokQuote) freetext
    return (SystemLiteral s)            -- note: refs &...; not permitted
systemliteral = do
    s <- bracket (tok TokQuote) (commit $ tok TokQuote) freetext
    return (SystemLiteral s)            -- note: refs &...; not permitted