adapt coding style
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@ -699,7 +699,9 @@ var Reveal = (function(){
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* Updates the state and link pointers of the controls.
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*/
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function updateControls() {
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if (!config.controls || !dom.controls) return;
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if ( !config.controls || !dom.controls ) {
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return;
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}
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var routes = availableRoutes();
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