Index: lib/wiki-plugins/wikiplugin_fade.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- lib/wiki-plugins/wikiplugin_fade.php	(revision Local version)
+++ lib/wiki-plugins/wikiplugin_fade.php	(revision Shelved version)
@@ -77,6 +77,19 @@
                     array('text' => tra('No'), 'value' => 'n')
                 )
             ),
+			'html5' => array(
+				'required' => false,
+				'name' => tra('Use html5 version'),
+				'description' => tra('Use html5 collapsible section with details and summary tags'),
+				'since' => '16.2',
+				'filter' => 'alpha',
+				'default' => 'n',
+				'options' => array(
+					array('text' => '', 'value' => ''),
+					array('text' => tra('Yes'), 'value' => 'y'),
+					array('text' => tra('No'), 'value' => 'n')
+				)
+			),
 			'class' => array(
 				'required' => false,
 				'name' => tra('CSS Class'),
@@ -133,9 +146,12 @@
                   ."<div class='panel-body'>" . $body . "</div>"
                 ."</div>" 
               ."</div>" ;
-    }
-    else
-    {
+    } else if ($params['html5'] != 'n') {
+		return	"<details>"
+					."<summary><label>". htmlspecialchars($params['label']). "</label></summary>"
+					."<div class='panel-body'>" . $body . "</div>"
+					. "</details>";
+	} else {
 	$jq = '
 				$(document).ready(function(){
 					$(\'#' . $unique_link . '\').toggle(
@@ -153,10 +169,10 @@
 	$headerlib = TikiLib::lib('header');
 	$headerlib->add_jq_onready($jq);
 	//wrapping in an extra div makes animation smoother	
-    	return ( isset($params['class']) ? "<div class='" . $params['class'] . "'>": "<div>" ) 
-            . "\r\t" . '<span class="' . $span_class . '">' . "\r\t\t" 
-		. '<a id="' . $unique_link . '" class=' . $a_class_hidden . '>' . "\r\t\t\t" . htmlspecialchars($params['label']) . "\r\t\t" 
-		. '</a>' . "\r\t" . '</span>' . "\r\t" . '<div id="' . $unique . '" class="' . $div_class . '">' . "\r\t\t\t" 
+    	return ( isset($params['class']) ? "<div class='" . $params['class'] . "'>": "<div>" )
+            . "\r\t" . '<span class="' . $span_class . '">' . "\r\t\t"
+		. '<a id="' . $unique_link . '" class=' . $a_class_hidden . '>' . "\r\t\t\t" . htmlspecialchars($params['label']) . "\r\t\t"
+		. '</a>' . "\r\t" . '</span>' . "\r\t" . '<div id="' . $unique . '" class="' . $div_class . '">' . "\r\t\t\t"
     		. $body . "\r\t" . '</div>' . "\r" . '</div>' . "\r";
     }
 }