The Offline HTMLHelp.com Validator is an offline version of the WDG HTML Validator. It checks the syntax of HTML and XHTML documents using an SGML/XML parser.
|Tags||Internet Web Site Management Text Processing Markup HTML/XHTML|
Release Notes: Support for XHTML Mobile Profile and XHTML+RDFa was added. A --header='Name: value' command-line option for specifying HTTP headers was added.
Release Notes: This version adds support for "XHTML 1.1 plus MathML 2.0 plus SVG 1.1" from MathML 2.0 Second Edition.
Release Notes: This version fixes a bug where single quotes weren't accepted around the DOCTYPE's formal public identifier.
Release Notes: This version added warnings for valid but unsafe HTML, support for Perl's taint mode, better portability with file paths, and auto-detection of Emacs modes.
Release Notes: This version fixes a bug that caused extra requests and occasional failures when validating a URI.