Here is your purified HTML:
Here is the source code of the purified HTML:
By default, HTML Purifier may remove some of your spacing or indentation. Turn on CollectErrors or experimental features in order to fully preserve whitespace.
Warning: GET request method can only hold 8129 characters (probably less depending on your browser). If you need to test anything larger than that, try the POST form.
Try the form in GET and POST request flavors (GET is easy to validate with W3C, but POST allows larger inputs). Don't know what to test? Try out these sample filterings: