basic support for sub/superscript token markup -- NB: need to maintain extended token types eagerly, since jEdit occasionally reinstalls a style array that is too short;
\index{model checking example|(}%
\index{lfp@{\texttt{lfp}}!applications of|see{CTL}}
\input{CTL/document/Base.tex}
\input{CTL/document/PDL.tex}
\input{CTL/document/CTL.tex}
\index{model checking example|)}