Add support for layering texlive
Add /cvmfs/lhcbdev.cern.ch/tools/texlive/2020/texmf-dist/doc/man to MANPATH.
Add /cvmfs/lhcbdev.cern.ch/tools/texlive/2020/texmf-dist/doc/info to INFOPATH.
Most importantly, add
/cvmfs/lhcbdev.cern.ch/tools/texlive/2020/bin/x86_64-linux
to your PATH for current and future sessions.