man, extjs overrides are weird. i was convinced that even
the onRender gets 'overridden' and not simply called from a subclass?
anyway in that case the fix looks ok, but i think we can even go
further. since the original code will evidently be called,
how about we remove the original 'onMouseWh
When the up or down arrow key on the keyboard was pressed while a
number text field (or any one descending from Ext.form.field.Spinner)
was selected, the up and down callbacks for that text fields KeyNav
were called twice. Therefore, the value in the text field would always
incorrectly increment/de
