<p>Right, not fully maintenance free. But to be on the safe side you can store the result so when the automatic update would fail you could still use old format until it's updated.<br>
Anyway the table can be saved as JSON or CSV and maintained locally if updating the mechanism is too work-intensive.</p>
<p>On the other hand, using a curated list (mentioning OSM tags) can help preserving the used format/data.</p>

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