TeXLive offers an option to create symlinks of the binaries in /usr/local/bin which is in PATH. That explains why this problem did not occur on my office PC where I did not use this option but added /usr/local/texlive/2007/bin/i386-linux/ to PATH---*after* /usr/sbin.
TeXLive offers an option to create symlinks of the binaries in /usr/local/bin which is in PATH. That explains why this problem did not occur on my office PC where I did not use this option but added /usr/local/ texlive/ 2007/bin/ i386-linux/ to PATH---*after* /usr/sbin.