Native mode

To run an old document faster, and use the new features of L^ATEX2_e, you should try using L^ATEX2_e native mode. This is done by replacing the command:

\documentstyle[<options>,<packages>]{<class>}

with:

\documentclass[<options>]{<class>}
\usepackage{latexsym,<packages>}

However, some documents which can be processed in L^ATEX 2.09 compatibility mode may not work in native mode. Some L^ATEX 2.09 packages will only work with L^ATEX2_e in 2.09 compatibility mode. Some documents will cause errors because of L^ATEX2_e's improved error detection abilities. But most L^ATEX 2.09 documents can be processed by L^ATEX2_e's native mode with the above change. Again, the easiest way to find out whether your documents can be processed in native mode is to try it!