\nopdfcompression

\starttext

    % the following fonts should be shared in the backend

    \font\FontA={name:LM Roman 10 Regular:mode=node;extend=1.5}\relax
    \font\FontB={name:LM Roman 10 Regular:mode=base}\relax
    \font\FontC={name:LM Roman 10 Regular:mode=base;liga=yes}\relax
    \font\FontD={name:LM Roman 10 Regular:mode=node;liga=yes}\relax
    \FontA \input tufte\par
    \FontB \input tufte\par
    \FontC \input tufte\par
    \FontD \input tufte\par

\stoptext
