|  | @@ -447,20 +447,10 @@ if (typeof PDFJS === 'undefined') {
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				|  |  |  
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				|  |  |  // Checks if navigator.language is supported
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				|  |  |  (function checkNavigatorLanguage() {
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				|  |  | -  if ('language' in navigator &&
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				|  |  | -      /^[a-z]+(-[A-Z]+)?$/.test(navigator.language)) {
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				|  |  | +  if ('language' in navigator) {
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				|  |  |      return;
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				|  |  |    }
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				|  |  | -  function formatLocale(locale) {
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				|  |  | -    var split = locale.split(/[-_]/);
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				|  |  | -    split[0] = split[0].toLowerCase();
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				|  |  | -    if (split.length > 1) {
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				|  |  | -      split[1] = split[1].toUpperCase();
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				|  |  | -    }
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				|  |  | -    return split.join('-');
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				|  |  | -  }
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				|  |  | -  var language = navigator.language || navigator.userLanguage || 'en-US';
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				|  |  | -  PDFJS.locale = formatLocale(language);
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				|  |  | +  PDFJS.locale = navigator.userLanguage || 'en-US';
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				|  |  |  })();
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				|  |  |  
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				|  |  |  (function checkRangeRequests() {
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