HTML Breakup

HTML: This document introduces HTML and provides a map of the HTML specifications family.
Core Algorithms: This document is a reference for a number of basic algorithms that are reused across the platform.
Scripting HTML: Putting scripts in HTML.
The Browser Object Model: Some interfaces and behaviours used in browsers such as History or Location.
HTML Bidirectional Text: How to handle bidirectional content in HTML.
Core Attributes of HTML: A set of attributes available globally in HTML and reusable in other languages.
Rendering HTML: The default style sheet and general rendering advice for HTML.
HTML Parsing and Serialization: Rules for parsing and producing HTML documents.
XHTML Parsing and Serialization: Rules for parsing and producing XHTML documents.
The Application Cache: A system for offlining content automatically.
Drag & Drop: Drag & drop support for HTML.
HTML Editing: Enabling in-browser editing of HTML content.
HTML Canvas: An element and API that enables drawing surfaces.
HTML Templates: An element and API that enables templating.
HTML Forms: Forms. The bane of the Web developer brought to you in all its gory detail.
Sortable Tables for HTML: Additions to HTML tables that enable sorting.
HTML Tables and Lists: Tables, your secret layout friend! Now with added lists.
The Structure of HTML: All you need to structure an HTML document.
Styling HTML: Putting style in HTML.
HTML Metadata: Metadata.
HTML Linking: Links.
HTML Images and Figures: Pretty pictures.
HTML Text: Text.
HTML Change Tracking Elements: Stuff that's changed.
HTML Embedding: Stuff in stuff.
HTML Media: Media.
HTML User Interfaces: UI Elements.
HTML ARIA Integration: This should most likely be placed in one of the existing HTML/ARIA documents.
HTML MathML Integration: MathML.
HTML SVG Integration: SVG.
Obsolete HTML Features: This specification provides a dustbin for the Web.

What has not been split out or dropped (yet) can be found in leftovers.