pass empty string instead of undefined to Ox.words
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@ -1602,7 +1602,7 @@ Ox.VideoAnnotationPanel = function(options, self) {
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// action can be 'add' or 'remove'
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var words = [];
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Ox.forEach(Ox.count(Ox.words(
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getAnnotationValue(self.options.selected)
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getAnnotationValue(self.options.selected) || ''
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)), function(count, value) {
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words.push({count: count, value: value});
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});
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