diff -r 7378b802ddf8 -r 10ce28475e9c regiontest.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/regiontest.py	Thu Nov 05 14:52:50 2020 +0200
@@ -0,0 +1,11 @@
+
+	from collections import defaultdict
+	region_names_per_ref = defaultdict(set)
+	for ref, region in dict.items(regions):
+		set.add(region_names_per_ref[ref], region['name:fi'])
+	problem_regions = dict(filter(lambda k: len(region_names_per_ref[k]) > 1, region_names_per_ref))
+	if problem_regions:
+		from sys import stderr, exit
+		print('Found problems with regions', file = stderr)
+		print(problem_regions, file = stderr)
+		exit(1)