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-rw-r--r--app/lib/sanitize_config.rb4
1 files changed, 2 insertions, 2 deletions
diff --git a/app/lib/sanitize_config.rb b/app/lib/sanitize_config.rb
index e6e861eb9..9f5bf0125 100644
--- a/app/lib/sanitize_config.rb
+++ b/app/lib/sanitize_config.rb
@@ -39,7 +39,7 @@ class Sanitize
     end
 
     MASTODON_STRICT ||= freeze_config(
-      elements: %w(p br span a abbr del pre blockquote code b strong u sub i em h1 h2 h3 h4 h5 ul ol li),
+      elements: %w(p br span a abbr del pre blockquote code b strong u sub sup i em h1 h2 h3 h4 h5 ul ol li),
 
       attributes: {
         'a'          => %w(href rel class title),
@@ -50,7 +50,7 @@ class Sanitize
 
       add_attributes: {
         'a' => {
-          'rel' => 'nofollow noopener tag',
+          'rel' => 'nofollow noopener tag noreferrer',
           'target' => '_blank',
         },
       },