|  | @@ -370,6 +370,8 @@ The display order of fragments can be controlled using the ```data-fragment-inde
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														|  |  When a slide fragment is either shown or hidden reveal.js will dispatch an event.
 |  |  When a slide fragment is either shown or hidden reveal.js will dispatch an event.
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 |  | +Some libraries, like MathJax (see #505), get confused by the initially hidden fragment elements. Often times this can be fixed by calling their update or render function from this callback.
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														|  |  ```javascript
 |  |  ```javascript
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														|  |  Reveal.addEventListener( 'fragmentshown', function( event ) {
 |  |  Reveal.addEventListener( 'fragmentshown', function( event ) {
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														|  |  	// event.fragment = the fragment DOM element
 |  |  	// event.fragment = the fragment DOM element
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