historical data prior of its import into Wikidata.
All tests done in ECCC's bulkschema.xsd aren't replicated here as we're
- focusing into pure Wikimedia Commons data quality -->
+ focusing into pure Wikimedia Commons data quality.
+
+ Schema is restrictive on purpose: up to date extreme values are hard coded
+ just like current year. It WILL break starting 2021 so we can make sure
+ someone has checked potential upstream structure change before running
+ Commons data update. -->
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<!-- Define elements -->
<xsd:element name="climatedata">