docs: function(options) {
          OpenLayers.Filter.prototype.initialize.apply(this, [options]);
          // since matchCase on PropertyIsLike is not schema compliant, we only
          // want to use this if explicitly asked for
          if (this.type === OpenLayers.Filter.Comparison.LIKE 
              && options.matchCase === undefined) {
                  this.matchCase = null;
          }
      }