Labels can be referred as either id or name. Support both ways. Fixes QubesOS/qubes-issues#3211
@@ -77,6 +77,7 @@ class Core3Qubes(qubesadmin.backup.BackupApp):
ident = node.get('id')
assert ident is not None
self.labels[ident] = node.text
+ self.labels[node.text] = node.text
def load_globals(self, globals_element):