lib/dom: initialize `XMLEntity::parent` to null

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/lib/dom/xml_entities.nit b/lib/dom/xml_entities.nit
index 9e6c8bc..67dc4ac 100644 (file)
--- a/lib/dom/xml_entities.nit
+++ b/lib/dom/xml_entities.nit
@@ -36,7 +36,7 @@ import parser_base
 # Any kind of XML Entity
 abstract class XMLEntity
        # Optional parent of `self`
-       var parent: nullable XMLEntity is private writable(set_parent)
+       var parent: nullable XMLEntity = null is private writable(set_parent)
 
        # Optional location of the entity in source
        var location: nullable Location