I just tried, and apparently Gnucleus doesn't seem to like Unicode (for 09.欲.mp3 it found many mp3 files containing 09 in the file name, all written with the Latin alphabet). I'll try again tomorrow or so... By the way, regarding Foxy, indeed they're apparently using a modified version of GnucDNA and they created their own, proprietary network. Shareaza folks and especially the Beacon dev have been discussing it recently. Also, if you'd like to take a look at the current state of the G2 network, here's the crawler's URL: g2paranha - G2 Network Crawler

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Shareaza[dot]com was hijacked and now distributes an application pretending to be ShareazaV5. In fact, ShareazaV4 and V5 are relooked clones of BearShare and iMesh and connect to their centralized and filtered network. They are totally unrelated to the genuine, open source Shareaza which moved to http://shareaza.sourceforge.net/