Changes include:
* Allow ":" in attribute names as a workaround for Microsoft Excel
2000 which generates such files.
* Make depreciate warning if netscape_buggy_comment() method is
used. The method to use in strict_comment().
* Avoid duplication of parse_file() method in HTML::HeadParser.
* $p->parse_file() will not close a handle passed to it any more.
If passed a filename that can't be opened it will return undef
instead of raising an exception, and strings like "*STDIN" are not
treated as globs any more.
* HTML::LinkExtor knowns about background attribute of <tables>.
Patch by Clinton Wong <clintdw@netcom.com>
* HTML::TokeParser will parse large inline strings much faster now.
The string holding the document must not be changed during parsing.
* Documentation updates.