Background: https://github.com/Maps4HTML/MapML/issues/88#issuecomment-718808340. - [ ] Add (default) controls for panning (e.g. https://kartena.github.io/Leaflet.Pancontrol/) - [ ] Support the [`nopan`](https://maps4html.org/MapML/spec/#attr-map-controlslist-nopan) keyword in `controlslist` to disable the controls
Background: Maps4HTML/MapML-Specification#88 (comment).
nopankeyword incontrolslistto disable the controls