code: function(name, defaultValue)
          {
              var result = this.params[name];
              return toBoolean(result == null ? defaultValue : result);
          }
docs: Returns value of the parameter passed to the highlighter.
  @param {String} name				Name of the parameter.
  @param {Object} defaultValue		Default value.
  @return {Object}					Returns found value or default value otherwise.