Renders a practical subset of XML/XHTML/HTML5 with CSS 2.1+ (incl. CSS3 transforms, gradients, multiple backgrounds) to PDF or images, with SVG and MathML plugin support, accessible/tagged PDF output (Section 508, PDF/UA, WCAG 2.0), PDF/A compliance, font fallback and embedding, RTL/bidi text, footnotes, and file embedding via link download attributes.