From 3865e1b05f87a9647550b5934155a99509732808 Mon Sep 17 00:00:00 2001
From: Jean-Francois Dockes <jf@dockes.org>
Date: Sat, 1 May 2021 08:10:34 +0200
Subject: [PATCH] rclchm: chmcatenate=1 would get the handler to crash

---
 src/filters/rclchm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/filters/rclchm b/src/filters/rclchm
index b7c4bbaf..1bf45f5b 100755
--- a/src/filters/rclchm
+++ b/src/filters/rclchm
@@ -244,7 +244,7 @@ class rclCHM:
         return (False, "", path, iseof)
 
     def dumpall(self):
-        alltxt=""
+        alltxt=b""
         for pth in self.contents:
             ret,doc,path,iseof = self.extractone(pth)
             if not ret: