home.md

@@ -290,4 +290,31 @@ public static function onPageContentSave(WikiPage &$wikiPage, User &$user, Conte
 * **EditPageBeforeEditButtons**: Allows modifying the edit buttons below the textarea in the edit form.
 * &$editpage: The current EditPage object
 * &$buttons: Array of edit buttons "Save", "Preview", "Live", and "Diff"
-* &$tabindex: HTML tabindex of the last edit check/button
+* &$tabindex: HTML tabindex of the last edit check/button
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+
+
+## Installing / Enabling Reference Tooltips
+
+*activate Gadgets*
+
+Edit `LocalSettings.php` and add the following line:
+
+```
+require_once "$IP/extensions/Gadgets/Gadgets.php";
+```
+
+*Download the ReferenceTooltips gadget*
+
+https://en.wikipedia.org/wiki/Special:Gadgets/export/ReferenceTooltips
+
+*Upload it in the destiniation MediaWiki*
+
+`Special:Import`
+
+*Activate the ReferenceTooltips*
+
+Edit the `MediaWiki:Gadgets-definition`page and add the following line:
+
+```
+* ReferenceTooltips[ResourceLoader|default|type=general]|ReferenceTooltips.js|ReferenceTooltips.css
+```
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