Do not insist the filename of a $INCLUDE is quoted

diff --git a/dns/zone.py b/dns/zone.py
index a4fa07b58b6a0dfe0082fff8b9196776a561d9ba..d7b04cfa69cdf4bbf9c5c2c0f3b984a06fe5071e 100644 (file)
--- a/dns/zone.py
+++ b/dns/zone.py
@@ -668,8 +668,6 @@ class _MasterReader(object):
                             self.zone.origin = self.current_origin
                     elif u == '$INCLUDE' and self.allow_include:
                         token = self.tok.get()
-                        if not token.is_quoted_string():
-                            raise dns.exception.SyntaxError("bad filename in $INCLUDE")
                         filename = token.value
                         token = self.tok.get()
                         if token.is_identifier():