Supported and Unsupported Tags

This is a list of every HTML5 element and whether (and to what extent) it is supported by PresentationML. For specifics of PresentationML's implementation (including special-purpose variations), see the PresentationML page.

Tag	Supported?	Allowed Attributes	PresentationML Support Notes	Description
<a>	Y	class href (https only)		Defines a hyperlink
<audio>	Y	src (required) href (required) autoplay (required)	Initially only chime.mp3 will be permitted as a source attribute. The autoplay attribute is required.	Defines sound content
<b>	Y	class	Bold, contains text to be rendered in an emphasized way, by presentation as a bold font if possible.	Defines bold text
<br>	Y	N/A	Line break	Defines a single line break
<div>	Y	class	Structure and styling. Where the value of class is entity the data-entity-id attribute MUST be present and MUST refer to an element in the associated EntityJSON data structure. Where the class is absent or any value other than entity, the data-entity-id attribute MUST NOT be present.	Defines a section in a document
<hr>	Y	N/A	Horizontal rule.	Defines a thematic change in the content
<i>	Y	class	Italic, contains text to be rendered in a (secondary) emphasized way, by presentation as an italic font if possible.	Defines a part of text in an alternate voice or mood
<img>	Y	src (required) alt? height? width?	Inline image. Note that size limits will be placed on this element to fit within the wider UI.	Defines an image.
<li>	Y	class	Unordered list, should be rendered as bullet points if possible.	Defines a list item
<ol>	Y	class	Ordered list, should be rendered as a numbered list if possible.	Defines an ordered list
<p>	Y	class	Paragraph, contains text to be rendered as a single block of text.	Defines a paragraph
<span>	Y	class	See PresentationML for special-purpose variations (cashTag, hashTag, mention)	Defines a section in a document
<table>	Y	class styles for colspan / rowspan	Simple table.	Defines a table
<td>	Y	class		Defines a cell in a table
<th>	Y	class		Defines a header cell in a table
<tr>	Y	class		Defines a row in a table
<!--...-->	N			Defines a comment
<!DOCTYPE>	N			Defines the document type
<abbr>	N			Defines an abbreviation or an acronym
<address>	N			Defines contact information for the author/owner of a document
<area>	N			Defines an area inside an image-map
<article>	N			Defines an article
<aside>	N			Defines content aside from the page content
<base>	N			Specifies the base URL/target for all relative URLs in a document
<bdi>	N			Isolates a part of text that might be formatted in a different direction from other text outside it
<bdo>	N			Overrides the current text direction
<blockquote>	N			Defines a section that is quoted from another source
<body>	N			Defines the document's body
<button>	N			Defines a clickable button
<canvas>	N			Used to draw graphics, on the fly, via scripting (usually JavaScript)
<caption>	N			Defines a table caption
<cite>	N			Defines the title of a work
<code>	N			Defines a piece of computer code
<col>	N			Specifies column properties for each column within a <colgroup> element
<colgroup>	N			Specifies a group of one or more columns in a table for formatting
<datalist>	N			Specifies a list of pre-defined options for input controls
<dd>	N			Defines a description/value of a term in a description list
<del>	N			Defines text that has been deleted from a document
<details>	N			Defines additional details that the user can view or hide
<dfn>	N			Represents the defining instance of a term
<dialog>	N			Defines a dialog box or window
<dl>	N			Defines a description list
<dt>	N			Defines a term/name in a description list
<em>	N			Defines emphasized text
<embed>	N			Defines a container for an external (non-HTML) application
<fieldset>	N			Groups related elements in a form
<figcaption>	N			Defines a caption for a <figure> element
<figure>	N			Specifies self-contained content
<footer>	N			Defines a footer for a document or section
<form>	N			Defines an HTML form for user input
<h1> to <h6>	N			Defines HTML headings
<head>	N			Defines information about the document
<header>	N			Defines a header for a document or section
<html>	N			Defines the root of an HTML document
<iframe>	N			Defines an inline frame
<input>	N			Defines an input control
<ins>	N			Defines a text that has been inserted into a document
<kbd>	N			Defines keyboard input
<keygen>	N