code: function(e) {
          var lines = e.message.split('\n'), ANON = '{anonymous}', lineRE = /Line\s+(\d+).*script\s+(http\S+)(?:.*in\s+function\s+(\S+))?/i, i, j, len;
  
          for (i = 4, j = 0, len = lines.length; i < len; i += 2) {
              //TODO: RegExp.exec() would probably be cleaner here
              if (lineRE.test(lines[i])) {
                  lines[j++] = (RegExp.$3 ? RegExp.$3 + '()@' + RegExp.$2 + RegExp.$1 : ANON + '()@' + RegExp.$2 + ':' + RegExp.$1) + ' -- ' + lines[i + 1].replace(/^\s+/, '');
              }
          }
  
          lines.splice(j, lines.length - j);
          return lines;
      }
docs: Opera 7.x-9.x only!