Autocomplete (Menu): Only traverse through .ui-menu-item elements for paging. Fixes #6029 - Autocomplete: Custom item can be activated (and result in error) on PageUp/PageDown key click.
Autocomplete (Menu): Only traverse through .ui-menu-item elements for paging. Fixes #6029 - Autocomplete: Custom item can be activated (and result in error) on PageUp/PageDown key click.

GrayYoung/jQuery.UI.Extension,GrayYoung/jQuery.UI.Extension