twitter/typeahead.js — pull request #535 by yl2chen (2013-12-01 06:26:37+00:00)
Title: Allow suggestions to show duplicate suggestions

Show suggestions duplicate by valueKey if showDuplicate is set to true during initialization
This is set to false by default.

$('input.typeahead-devs').typeahead({
showDuplicate: true,
...
});