From d259e11db8a19dff42c681cedc59c0cad1e92173 Mon Sep 17 00:00:00 2001
From: TrueSaiyan <perthgroups@protonmail.com>
Date: Fri, 28 Jun 2024 09:19:28 +0800
Subject: [PATCH] Include Underline in markdown

Im not sure why this is not actually here?
It is with the html parser, but as you know you cant parse html white using CustomMarkdown
---
 telethon/extensions/markdown.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/telethon/extensions/markdown.py b/telethon/extensions/markdown.py
index 82e90345..714d17e7 100644
--- a/telethon/extensions/markdown.py
+++ b/telethon/extensions/markdown.py
@@ -11,12 +11,13 @@ from ..tl import TLObject
 from ..tl.types import (
     MessageEntityBold, MessageEntityItalic, MessageEntityCode,
     MessageEntityPre, MessageEntityTextUrl, MessageEntityMentionName,
-    MessageEntityStrike
+    MessageEntityStrike, MessageEntityUnderline
 )
 
 DEFAULT_DELIMITERS = {
     '**': MessageEntityBold,
     '__': MessageEntityItalic,
+    '++': MessageEntityUnderline,
     '~~': MessageEntityStrike,
     '`': MessageEntityCode,
     '```': MessageEntityPre