brianreavis/selectize.js — pull request #477 by mikeanden (2014-06-16 18:25:06+00:00)
Title: Clear the selected item when the user types any alphanumeric character

When the dropdown is configured for single selection,
this will clear the selected item when the user types to search for a
new item. Before, the user has to press back space to clear the selected
item and the UI seems to be unresponsive if the user wants to change the
selection