[6.0] 0e82401e6 We need UTF8 encoding for Python3

[Reza Naghibi]

commit 0e82401e659a93a9d9a838e1a34a252cde0a288b
Author: Steven <wojcikjsteven at gmail.com>
Date:   Wed Apr 14 16:51:09 2021 -0400

    We need UTF8 encoding for Python3

diff --git a/doc/sphinx/vtc-syntax.py b/doc/sphinx/vtc-syntax.py
index c0d9435c8..8b15ca7e9 100644
--- a/doc/sphinx/vtc-syntax.py
+++ b/doc/sphinx/vtc-syntax.py
@@ -38,7 +38,7 @@ def parse_file(fn, cl, tl, sl):
     section = ""
     resec = re.compile("[ /]\* SECTION: ")
 
-    f = open(fn, "r")
+    f = open(fn, "r", encoding="UTF-8")
 
     for l in f:
         if "*/" in l: