"marker-shape" is missing in the spec

[nyurik]

It seems like "marker-shape": "pin" used to be a part the spec but was removed. Is there a reason not to allow customizable base?

[skeenp]

            // OPTIONAL: default "pin"
            // the shape of the marker icon
            // if not provided or "", no marker is underlaid
            // and only the symbol is shown
            // Allowed values include
            // - Icon ID
            "marker-shape": "pin",

The above would suffice. I too think this should be included in the spec. It would be good to allow implementations to optionally specify the marker.