[Freeciv-Dev] Re: transform to/from ocean bug (patch)

[Nicolas Brunel <brunel@xxxxxxxxxxxxxxxxxxxx>]

> And finally, updates to take diplomatic states into account
> (enemy_unit->non_allied unit, owned city->allied_city, check if there are
> non_allied units in the city before entering)

It recalls me that during the last centuries some cities were open cities
usually open for trade. Foreigners were forbidden to go elsewhere. 
This may be implemented now... If at least a coder is interested by this
idea.

Bye,