python3-html5lib: html5lib (HTML parser based on the HTML5 specification) python3-html5lib: python3-html5lib: HTML parser designed to follow the HTML5 specification. The parser python3-html5lib: is designed to handle all flavours of HTML and parses invalid python3-html5lib: documents using well-defined error handling rules compatible with python3-html5lib: the behaviour of major desktop web browsers. python3-html5lib: python3-html5lib: Output is to a tree structure; the current release supports output python3-html5lib: to DOM, ElementTree and lxml tree formats as well as a simple python3-html5lib: custom format. python3-html5lib: