testing

behavior-comment-preview.js
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			/**
			* @provides javelin-behavior-ponder-feedback-preview
			* @requires javelin-behavior
			* javelin-dom
			* javelin-util
			* phabricator-shaped-request
			*/

			JX.behavior('ponder-feedback-preview', function(config) {

			var content = JX.$(config.content);
			var question_id = config.question_id;

			var callback = function(r) {
			JX.DOM.setContent(JX.$(config.preview), JX.$H(r));
			};

			var getdata = function() {
			var data = {
			content : content.value,
			question_id : question_id
			};
			return data;
			};

			var request = new JX.PhabricatorShapedRequest(config.uri, callback, getdata);
			var trigger = JX.bind(request, request.trigger);

			JX.DOM.listen(content, 'keydown', null, trigger);

			request.start();
			});