format: make default XML validator spec narrower

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/format.py b/format.py
index dac7bf8..8013edc 100644
--- a/format.py
+++ b/format.py
@@ -658,7 +658,7 @@ class XML(SimpleFormat):
     BYTESTRING = SimpleFormat.BYTESTRING
 
     validator_specs = {
-        ETREE: '*'  # grab whatever you'll find (with backtrack)
+        ETREE: '*.rng'  # grab whatever you'll find (with backtrack)
     }
 
     @classmethod