Leaflet/Leaflet — pull request #2260 by hbriceno (2013-12-03 13:38:41+00:00)
Title: [FIXED] bug on IE10: "Unable to get property of '0' of undefined or null...

... reference
I notice that on a Windows 8.0 Pro tablet, using IE10 I get a javascript error while trying to access this._position[0]
The error is caused by the fact that the _position attribute does not exist.