extension (http://www.php.net/xml), allowing handlers using one to be easily
adapted to the other.
The key difference is HTMLSax will not break on badly formed XML, allowing it
to be used for parsing HTML documents. Otherwise HTMLSax supports all the
handlers available from Expat except namespace and external entity handlers.
PR: ports/79403
Submitted by: Antonio Carlos Venancio Junior <antonio@php.net>
