Interesting. For anyone interested in a more powerful, yacc-style javascript parser generator, check out JS/CC: http://jscc.jmksf.com/ http://jscc.jmksf.com/ .

Interesting. For anyone interested in a more powerful, yacc-style javascript parser generator, check out JS/CC: http://jscc.jmksf.com/ http://jscc.jmksf.com/ . I've used it to generate a parser for spreadsheet formulas; the interface to use it is pretty clunky (since it's written in javascript and runs in the browser) but it got the job done.