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@@ -2274,8 +2274,16 @@ var Reveal = (function(){
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// If the first bit is invalid and there is a name we can
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// assume that this is a named link
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if( isNaN( parseInt( bits[0], 10 ) ) && name.length ) {
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- // Find the slide with the specified name
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- var element = document.querySelector( '#' + name );
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+ var element;
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+
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+ try {
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+ // Find the slide with the specified name
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+ element = document.querySelector( '#' + name );
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+ }
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+ catch( e ) {
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+ // If the ID is an invalid selector a harmless SyntaxError
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+ // may be thrown here.
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+ }
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if( element ) {
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// Find the position of the named slide and navigate to it
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@@ -2320,9 +2328,16 @@ var Reveal = (function(){
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else {
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var url = '/';
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+ // Attempt to create a named link based on the slide's ID
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+ var id = currentSlide.getAttribute( 'id' );
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+ if( id ) {
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+ id = id.toLowerCase();
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+ id = id.replace( /[^a-zA-Z0-9\-\_\:\.]/g, '' );
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+ }
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+
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// If the current slide has an ID, use that as a named link
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- if( currentSlide && typeof currentSlide.getAttribute( 'id' ) === 'string' ) {
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- url = '/' + currentSlide.getAttribute( 'id' );
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+ if( currentSlide && typeof id === 'string' && id.length ) {
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+ url = '/' + id;
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}
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// Otherwise use the /h/v index
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else {
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