prevents .ipynb.ipynb double extension
@ -1802,7 +1802,10 @@ var IPython = (function (IPython) {
Notebook.prototype.rename = function (nbname) {
var that = this;
var data = {name: nbname + '.ipynb'};
if (!nbname.match(/\.ipynb$/)) {
nbname = nbname + ".ipynb";
}
var data = {name: nbname};
var settings = {
processData : false,
cache : false,