From b217446da2a07977f19db4c4d99b1b1f6ddd4420 Mon Sep 17 00:00:00 2001
From: alfred richardsn <rchrdsn@protonmail.ch>
Date: Mon, 15 Jun 2020 22:40:26 +0300
Subject: [PATCH] Add '=' to characters reserved in markdown

---
 aiogram/utils/text_decorations.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/aiogram/utils/text_decorations.py b/aiogram/utils/text_decorations.py
index 77dc0ff3..6efa5ed8 100644
--- a/aiogram/utils/text_decorations.py
+++ b/aiogram/utils/text_decorations.py
@@ -163,7 +163,7 @@ class HtmlDecoration(TextDecoration):
 
 
 class MarkdownDecoration(TextDecoration):
-    MARKDOWN_QUOTE_PATTERN: Pattern[str] = re.compile(r"([_*\[\]()~`>#+\-|{}.!])")
+    MARKDOWN_QUOTE_PATTERN: Pattern[str] = re.compile(r"([_*\[\]()~`>#+\-=|{}.!])")
 
     def link(self, value: str, link: str) -> str:
         return f"[{value}]({link})"