saw it on the json page as well http://json.org/ http://json.org/ but I'm not into grammars. I used antlr once, and they did support that as well in the desig

saw it on the json page as well http://json.org/ http://json.org/ but I'm not into grammars. I used antlr once, and they did support that as well in the designer http://www.antlr3.org/works/screenshots/ambiguouspath.jpg http://www.antlr3.org/works/screenshots/ambiguouspath.jpg