\environment texit-style

\startdocument

\component texit-titlepage

\startfrontmatter
    \component texit-contents
    \component texit-introduction
\stopfrontmatter

\startbodymatter
    \component texit-lookahead
    \component texit-conditions
    \component texit-leaders
  % \component texit-efficiency
\stopbodymatter

\stopdocument