I updated to openSUSE 13.1 and TeX Live got updated. Now it does not work. I have the version 2013.20130620-11.3.2 and thousands of TeX Live packages installed. Running an old file for testing, ...
Encxvlna is a package that inserts non-breaking space into Czech documents. However, it does not seem to work with texlive-2009-11 (the version in Ubuntu Natty). There is a manual describing its usage ...