rem: return "[invalid format pattern]"; 
add: return "[" + getMessage("error.invalidDatePattern") + "]"; 
context: function date_macro(param) {   var ts = this.groupname.toDate("yyyyMMdd", this._parent.getTimeZone());   try {      return formatTimestamp(ts, param.format);   } catch (err) {      return "[invalid format pattern]";   }}
meta: 993	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/993/588927e3338747ddd803e5b5d19b86552ee32ab6/macros.js/buggy/code/Day/macros.js