exit example
An Example for Using httex
A system invocation of the form `httex foo "xhtml,html4.4ht,unicode.4ht,mathml.4ht"
"unicode/!"' for a file foo.tex of the following form.
\input amstex
\documentstyle{amsppt} \csname tex4ht\endcsname
\document
.....
\enddocument