[Tilesathome] Rendering of non-Latin names

[Socrates Alichanides]

This is my first post so please be gentle :)

On Tuesday I rendered the following tile in xy mode:

http://tah.openstreetmap.org/Browse/details/tile/12/2309/1541/

When the process finished I noticed that all street names that are
written in Greek were rendered with ???? (question marks), while those
still in Latin were being rendered correctly.
Thinking this was some fault of my system I requested a rerender,
handled by jth, but the results were the same.

So I thought 'maybe some temporary problem',so I waited till yesterday 
and requested another rerender to no avail. By the way when mapnik 
render the same tile it rendered correctly.

Anybody have any ideas what's wrong?


Thanks,

Socrates