A typical parse tree printed with line info will look like this: \begin{verbatim} .MAIN [TOY1_RULES:1-4] utterance [TOY1_RULES:5-9] command [TOY1_RULES:10-14] / verb lex(switch) [TOY1_LEXICON:8-10] | onoff null lex(on) [TOY1_LEXICON:24-25] | np [TOY1_RULES:25-29] | / lex(the) | | noun lex(light) [TOY1_LEXICON:16-17] \ \ null

------------------------------- FILES -------------------------------

TOY1_LEXICON: d:/regulus/examples/toy1/regulus/toy1_lexicon.regulus TOY1_RULES: d:/regulus/examples/toy1/regulus/toy1_rules.regulus \end{verbatim}