> > > Normally LyX checks the package availability for any extensions, so this > > > might count as a (minor) LyX bug, > > > no i dont have this package locally, so its not lyx problem. > > It is a lyx problem if you can actively set > Document>Settings>Language>Encoding to utf8x while the package ucs (and > hence utf8x.def) is not installed. > > Could you test whether you can change the encoding to something else and > back to utf8x (before installing ucs)?
yes i can. anyway i think you should be able to select encoding for which your tex distribution hasn't support, because at least editing works and and in some cases that is enough. pavel