rem: return this.replace(/\s\s/g, ' ').trim(); 
add: return this.replace(/\s{2,}/g, ' ').trim(); 
context: 	clean: function(){		return this.replace(/\s\s/g, ' ').trim();	},
meta: 3891	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/3891/03c9c00aa7fdb2f2d8571e7665048da8759cf30a/mootools-uncompressed.js/buggy/includes/js/mootools-uncompressed.js