fixes #3653

Closes #3653

Merge request studip/studip!2533

1 files changed, 6 insertions, 2 deletions

diff --git a/lib/classes/Markup.class.php b/lib/classes/Markup.class.php
index 9d5e9fc..227d5f5 100644
--- a/lib/classes/Markup.class.php
+++ b/lib/classes/Markup.class.php
@@ -294,13 +294,13 @@ class Markup
             hr
             img[alt|src|height|width|style]
             li
-            ol
+            ol[reversed|start|style]
             p[style]
             pre[class]
             span[style|class]
             strong
             u
-            ul
+            ul[style]
             s
             small
             sub
@@ -375,6 +375,10 @@ class Markup
               'controls' => 'Text',     // Bool triggers bug in HTMLPurifier
         ]);
 
+        $def->addAttribute('ol', 'reversed', 'Bool');
+        $def->addAttribute('ol', 'style', 'Text');
+        $def->addAttribute('ul', 'style', 'Text');
+
         return new \HTMLPurifier($config);
     }