"VV" == Vladimir Volovich writes: VV> it looks like a bug in xetex: it should not set lccode for the VV> guillemets, but it does. moreover it also sets the uccode for them VV> pointing to control codes:
it seems it's not an xeex bug per se, but caused by default lc/uccode settings in latex (which are tuned for T1 encoding, and are not applicable to unicode encoding). thus, the bug is that xelatex.ini does not correct the lc/uccode values for characters in the range 128-255. Best, v.
