lib/leaflet.js
function () {
		var parts = this._parts,
		    tolerance = this.options.smoothFactor;

		for (var i = 0, len = parts.length; i < len; i++) {
			parts[i] = L.LineUtil.simplify(parts[i], tolerance);
		}
	}
function () {
		var parts = this._parts,
		    tolerance = this.options.smoothFactor;

		for (var i = 0, len = parts.length; i < len; i++) {
			parts[i] = L.LineUtil.simplify(parts[i], tolerance);
		}
	}
function ( ) { var parts = this . _parts , tolerance = this . options . smoothFactor ; for ( var i = 0 , len = parts . length ; i < len ; i ++ ) { parts [ i ] = L . LineUtil . simplify ( parts [ i ] , tolerance ) ; } }
simplify each clipped part of the polyline for performance
simplify each clipped part of the polyline for performance