rem: this.feature = null; 
context:     doneDragging: function(pixel) {        this.onComplete(this.feature, pixel);        this.feature = null;    },
meta: 1027	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/1027/b2a4acb717c1e6d9f536bc684613f6adfb82a229/DragFeature.js/clean/lib/OpenLayers/Control/DragFeature.js