From 75a0a8e49869b3273f5f1d7b0ee770d15392600a Mon Sep 17 00:00:00 2001
From: Anna Dabrowska <dabrowska@cosmocode.de>
Date: Tue, 14 May 2019 11:35:02 +0200
Subject: [PATCH] Fix invalid CSS class name

---
 Template.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Template.php b/Template.php
index 7f93528..28df366 100644
--- a/Template.php
+++ b/Template.php
@@ -116,7 +116,7 @@ class Template {
         global $conf;
 
         // id of the current sidebar, each sidebar must have its own state
-        $header = sprintf('<div id="sidebarId" class="%s"></div>', page_findnearest($conf['sidebar']));
+        $header = sprintf('<div id="sidebarId" class="%s"></div>', md5(page_findnearest($conf['sidebar'])));
         // add tabs if multiple navigation types available
         if ($this->plugins['sitemapnavi'] !== null) {
             $header .= '<ul class="sidebar-tabs">';