From 5395fc184a754923b0020b1e82446e88d0831cd6 Mon Sep 17 00:00:00 2001
From: Ilya Samartsev <ignz@yandex-team.ru>
Date: Sat, 20 Jun 2020 13:26:52 +0300
Subject: [PATCH] #360 - Fix: escape '=' sign 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})"