How do people about introducing a [wgs84] tag? It would contain the decimal latitude and longitude as strings. My first idea was to use GeoJSON. However it expects numbers, whereas tags have to be strings (and it reverses lat & lon which is stupid).

https://img.sprovoost.nl/2a06ac2492dca2a86ac177df3f8b220ea8c737472e19ffa3f597c4bae2c648e4.png 
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