rem:  return ( selector.length && selector[selector.length - 1] !== undefined ) ? jQuery.inArray( this, selector ) < 0 : this != selector; 
add: return isArrayLike ? jQuery.inArray( this, selector ) < 0 : this != selector; 
context: 	not: function( selector ) {		if ( selector.constructor == String )			// test special case where just one selector is passed in			if ( isSimple.test( selector ) )				return this.pushStack( jQuery.multiFilter( selector, this, true ) );			else				selector = jQuery.multiFilter( selector, this );		return this.filter(function() {			// check to see if the selector is array-like otherwise assume it is just a DOM element			return ( selector.length && selector[selector.length - 1] !== undefined )				? jQuery.inArray( this, selector ) < 0				: this != selector;		});	},
meta: 5264	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5264/24e036c7c88e7e3a1f878292e4b59914e1f4575c/core.js/clean/src/core.js