rem: return this.handlers[name] ||  null; 
add: return this.handlers[name]; 
context:     getCommandHandler: function(name) {        return this.handlers[name] ||  null; // todo: why null, and not undefined?    },
meta: 3175	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3175/17682a03d2a4ba0d0241f1e62d441ddb7ec54fc9/selenium-commandhandlers.js/buggy/code/javascript/core/scripts/selenium-commandhandlers.js