Correction validation HTML5

library/ZendAfi/View/Helper/ComboCategories.php

@@ -51,7 +51,7 @@ class ZendAfi_View_Helper_ComboCategories extends ZendAfi_View_Helper_BaseHelper
 	 * @return string
 	 */
 	protected function _getCategorySelectGroupForBib($bib, $category) {
-		$html = sprintf('<optgroup label="%s">', $bib->getLibelle());
+		$html = sprintf('<optgroup label="%s">', htmlentities($bib->getLibelle()));
 		$rootCategories = isset($category) ? $category->getBibRootCategories($bib) : [];
 		foreach ($rootCategories as $rootCategory) {
 			$html .= $this->_getLeveledCategoryOption($rootCategory, $category);