borisyankov/DefinitelyTyped — pull request #1371 by nvivo (2013-12-03 16:13:52+00:00)
Title: Fix too restrictive sortable options.

From jquery docs: "If Selector is specified as the type of an argument, it accepts everything that the jQuery constructor accepts, eg. Strings, Elements, Lists of Elements." - http://api.jquery.com/Types/#Selector