Greasy Fork is available in English.
Gets the markers_all json file and change user defined markers to be markable.
< Rückmeldungen auf GI AppSample Map - More Markable Markers
It should work automatically once you have it installed. You may have to refresh the page if it doesn't work the first time.
Hello, i already installed this userscript, but it doesn't seem to work automatically on mine, mind to give me a solution?
thank you very much