What is the current status of support for launching foreign-language SE sites?
On the Area51 it is stated that:
This launch is on hold while we add the international features needed to make it functional for this community. Allowing international characters in tags is our first priority before launch. Dates will be announced when available.
However, without details is the unicodization of tags the only thing to do and if it has to be done once or for each SE in details.
My question is, when estimately the foreign language will be launched and are the current preparations to be done once only, or for each language separately?
More in details, makes it sense to make proposal in Polish language, for example? Will running the Turkish site make it possible to run site in Polish (Russian, Chinese etc.) without separate preparations?