More extensive diagnostics, from the Perl debugger, 
can be obtained by appending the string `-w-' 
to the 1st line of the latex2html (and other) Perl script(s).
 96.1f
\htmltracing{...} command, 
whose argument is the desired value, 
or by using the more general \HTMLset command
as follows: \HTMLset{VERBOSITY}{
<num>}.