What we have:

MediaInfo currently supports datatypes: Item, Quantity (without units) and String.
Geographic coordinate values can be displayed in crude form, but can't be added or edited.

What we want:

It should be possible to add/edit geographic coordinates.

Acceptance criteria:

• It is possible to select a geocoordinate property
• It is possible to add a value for this property
• It is possible to alter an existing value for this property
• The input is validated - user in informed if the input is wrong