add: return a; 
context:     function statements() {        while (!nexttoken.reach && nexttoken.id !== '(end)') {            if (nexttoken.id === ';') {                warning("Unnecessary semicolon.");                advance(';');            }            indentation();            statement();        }    }
meta: 5491	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5491/78561e9fb67e01f7f75693e77959bd914c7d92d7/fulljslint.js/clean/src/net/happygiraffe/jslint/fulljslint.js