Here a simple sample:
"DC_Armentieres" [label="DC_Armentières" shape=diamond]
"DC_Export_Belgium" [label="DC_Export_Belgium" shape=diamond]
[erg] Dotty is ancient technology, using only ascii characters, and is unlikely to be upgraded. We hope to have a new version of gvedit available in the next release which will handle full utf-8.
Actually, having just checked, the 2.26 version of gvedit will handle your file already.
Node and edge creation rely on text entry rather than mouse and menu, but you will be
able to see the desire accents.