jquery/jquery — pull request #976 by carldanley (2012-10-16 13:26:39+00:00)
Title: Fixed #12519. 

* created private methods for processing data/removeData requests: `internalData()`, `internalRemoveData()`.
* Changed `jQuery.data()` to handle get/set of public data.
* Changed `jQuery._data()` to handle get/set of private data.
* Changed `jQuery.removeData()` to handle removing public data.
* Added `jQuery._removeData()` and made it handle removing private data.