https://www.uspto.gov/learning-and-resources/xml-resources/application-red-book-document-type-definition
Application Red Book Document Type Definition | USPTO
Application Red Book Document Type Definition
document type definitionred bookapplicationuspto
https://www.w3.org/TR/2002/PR-SVG11-20021115/svgdtd.html
Document Type Definition - SVG 1.1 - 20021115
document type definitionsvg 1