* @param {string} data
* @return {string|null} the delimiter that was detected.
*/
Dygraph.detectLineDelimiter = function(data) {
for (var i = 0; i < data.length; i++) {
* @param {string} data
* @return {string|null} the delimiter that was detected.
*/
Dygraph.detectLineDelimiter = function(data) {
for (var i = 0; i < data.length; i++) {