From 74c823d50061b5ca1b3e4e2225dd83481f966d40 Mon Sep 17 00:00:00 2001
From: KMY <tt@kmycode.net>
Date: Sat, 4 Mar 2023 21:15:22 +0900
Subject: [PATCH] Add superscript/strikethrough flags on markdown

---
 app/javascript/styles/mastodon/rich_text.scss | 4 ++++
 app/lib/text_formatter.rb                     | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/app/javascript/styles/mastodon/rich_text.scss b/app/javascript/styles/mastodon/rich_text.scss
index a8258ee8cb..334ba98425 100644
--- a/app/javascript/styles/mastodon/rich_text.scss
+++ b/app/javascript/styles/mastodon/rich_text.scss
@@ -87,6 +87,10 @@
     color: $ui-secondary-color;
     padding: 0 2px;
   }
+
+  sup {
+    vertical-align: super;
+  }
 }
 
 .reply-indicator__content {
diff --git a/app/lib/text_formatter.rb b/app/lib/text_formatter.rb
index 607583ab2f..93c21e6029 100644
--- a/app/lib/text_formatter.rb
+++ b/app/lib/text_formatter.rb
@@ -174,6 +174,8 @@ class TextFormatter
         underline: true,
         disable_indented_code_blocks: false,
         fenced_code_blocks: true,
+        strikethrough: true,
+        superscript: true,
         highlight: false
       )
     @markdown.render(html)