From c61cc4b14d18b492eb50ccb1194e6cb1f7e3fe4a Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 6 Jul 2020 08:38:58 +0530
Subject: [PATCH] Viewer: Ignore the zero width non-joiner character in
 searches

---
 src/calibre/gui2/viewer/search.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/calibre/gui2/viewer/search.py b/src/calibre/gui2/viewer/search.py
index 8ae7dcb924..fcb4fa9baa 100644
--- a/src/calibre/gui2/viewer/search.py
+++ b/src/calibre/gui2/viewer/search.py
@@ -54,7 +54,7 @@ class BusySpinner(QWidget):  # {{{
 quote_map= {'"':'"“”', "'": "'‘’"}
 qpat = regex.compile(r'''(['"])''')
 spat = regex.compile(r'(\s+)')
-invisible_chars = '(?:[\u00ad\u200d]{0,1})'
+invisible_chars = '(?:[\u00ad\u200c\u200d]{0,1})'
 
 
 def text_to_regex(text):