Two points of difference between HTML and XML follows:HTMLXMLHTML is a markup language thatcreates the form andappearance of the Web page.XML is a text-based markup language forprocessing and displaying data in astructured format.HTML documents are viewablein a browser.XML documents can be viewed only ifproper stylesheet file is also availablealong with XML file.Three points of well-formed XML document are as follows:1. The document must have a root element.2. The element must have the opening and closing tags.3. XML attributes values, should be in double quotation marks.<?xml version ='1.0' encoding='UTF-8' standalone='yes'?><Data><Datal><Furniture>Table</Furniture><Material >Wood</Material ><Quantity>75</Quantity><Floor>1st</Floor></Datal><Datal><Furniture>Chair</Furniture><Materi al >Plastic</Materi al ><Quantity>85</Quantity><Floor>IInd</Floor></Datal></Data>