HTML 5.3

W3C Working Draft,


Normative References

D. Crocker, Ed.; P. Overell. Augmented BNF for Syntax Specifications: ABNF. January 2008. Internet Standard. URL: https://tools.ietf.org/html/rfc5234
A. Phillips; M. Davis. Tags for Identifying Languages. September 2009. IETF Best Current Practice. URL: https://tools.ietf.org/html/bcp47
Mark Davis; Aharon Lanin; Andrew Glass. Unicode Bidirectional Algorithm. 14 May 2017. Unicode Standard Annex #9. URL: https://www.unicode.org/reports/tr9/tr9-37.html
Rik Cabanier; et al. HTML Canvas 2D Context. 19 November 2015. REC. URL: https://www.w3.org/TR/2dcontext/
Unicode Common Locale Data Repository. URL: http://cldr.unicode.org/
A. Barth. HTTP State Management Mechanism. April 2011. Proposed Standard. URL: https://tools.ietf.org/html/rfc6265
Joanmarie Diggs; et al. Core Accessibility API Mappings 1.1. 14 December 2017. REC. URL: https://www.w3.org/TR/core-aam-1.1/
Mike West. Content Security Policy Level 3. 13 September 2016. WD. URL: https://www.w3.org/TR/CSP3/
Tab Atkins Jr.; Elika Etemad; Florian Rivoal. CSS Snapshot 2015. 13 October 2015. NOTE. URL: https://www.w3.org/TR/css-2015/
Bert Bos; Elika Etemad; Brad Kemper. CSS Backgrounds and Borders Module Level 3. 17 October 2017. CR. URL: https://www.w3.org/TR/css-backgrounds-3/
Elika Etemad; Tab Atkins Jr.. CSS Cascading and Inheritance Level 4. 14 January 2016. CR. URL: https://www.w3.org/TR/css-cascade-4/
Tab Atkins Jr.; Chris Lilley. CSS Color Module Level 4. 5 July 2016. WD. URL: https://www.w3.org/TR/css-color-4/
Elika Etemad. CSS Display Module Level 3. 20 July 2017. WD. URL: https://www.w3.org/TR/css-display-3/
Tab Atkins Jr.. CSS Font Loading Module Level 3. 22 May 2014. LCWD. URL: https://www.w3.org/TR/css-font-loading-3/
John Daggett. CSS Fonts Module Level 3. 3 October 2013. CR. URL: https://www.w3.org/TR/css-fonts-3/
Dave Cramer; Elika Etemad; Steve Zilles. CSS Inline Layout Module Level 3. 24 May 2016. WD. URL: https://www.w3.org/TR/css-inline-3/
Rossen Atanassov; Elika Etemad. CSS Logical Properties and Values Level 1. 18 May 2017. WD. URL: https://www.w3.org/TR/css-logical-1/
David Baron; Florian Rivoal. CSS Overflow Module Level 3. 31 May 2016. WD. URL: https://www.w3.org/TR/css-overflow-3/
Rossen Atanassov; Arron Eicholz. CSS Positioned Layout Module Level 3. 17 May 2016. WD. URL: https://www.w3.org/TR/css-position-3/
Elika Etemad. CSS Intrinsic & Extrinsic Sizing Module Level 3. 7 February 2017. WD. URL: https://www.w3.org/TR/css-sizing-3/
Tantek Çelik; Elika Etemad. CSS Style Attributes. 7 November 2013. REC. URL: https://www.w3.org/TR/css-style-attr/
Tab Atkins Jr.; Simon Sapin. CSS Syntax Module Level 3. 20 February 2014. CR. URL: https://www.w3.org/TR/css-syntax-3/
Elika Etemad; Koji Ishii. CSS Text Module Level 3. 22 August 2017. WD. URL: https://www.w3.org/TR/css-text-3/
Florian Rivoal. CSS Basic User Interface Module Level 4. 22 December 2017. WD. URL: https://www.w3.org/TR/css-ui-4/
Tab Atkins Jr.; Elika Etemad. CSS Values and Units Module Level 3. 29 September 2016. CR. URL: https://www.w3.org/TR/css-values-3/
Elika Etemad; Koji Ishii. CSS Writing Modes Level 3. 7 December 2017. CR. URL: https://www.w3.org/TR/css-writing-modes-3/
Bert Bos; et al. Cascading Style Sheets Level 2 Revision 1 (CSS 2.1) Specification. 7 June 2011. REC. URL: https://www.w3.org/TR/CSS2/
Bert Bos. Cascading Style Sheets Level 2 Revision 2 (CSS 2.2) Specification. 12 April 2016. WD. URL: https://www.w3.org/TR/CSS22/
Elika Etemad; Dave Cramer. CSS Generated Content Module Level 3. 2 June 2016. WD. URL: https://www.w3.org/TR/css-content-3/
Elika Etemad; Tab Atkins Jr.. CSS Image Values and Replaced Content Module Level 3. 17 April 2012. CR. URL: https://www.w3.org/TR/css3-images/
Elika Etemad; Koji Ishii. CSS Ruby Layout Module Level 1. 5 August 2014. WD. URL: https://www.w3.org/TR/css-ruby-1/
David Baron; Dean Jackson; Brian Birtles. CSS Transitions. 30 November 2017. WD. URL: https://www.w3.org/TR/css-transitions-1/
Tantek Çelik; Chris Lilley; David Baron. CSS Color Module Level 3. 5 December 2017. CR. URL: https://www.w3.org/TR/css-color-3/
Simon Pieters; Glenn Adams. CSS Object Model (CSSOM). 17 March 2016. WD. URL: https://www.w3.org/TR/cssom-1/
Simon Pieters. CSSOM View Module. 17 March 2016. WD. URL: https://www.w3.org/TR/cssom-view-1/
Tantek Çelik; Florian Rivoal. CSS Basic User Interface Module Level 3 (CSS3 UI). 14 December 2017. PR. URL: https://www.w3.org/TR/css-ui-3/
Domenic Denicola. Custom Elements. 13 October 2016. WD. URL: https://www.w3.org/TR/custom-elements/
Anne van Kesteren. DOM Standard. Living Standard. URL: https://dom.spec.whatwg.org/
Travis Leithead. DOM Parsing and Serialization. 17 May 2016. WD. URL: https://www.w3.org/TR/DOM-Parsing/
ECMAScript Language Specification. URL: https://tc39.github.io/ecma262/
Anne van Kesteren. Encoding Standard. Living Standard. URL: https://encoding.spec.whatwg.org/
Ian Hickson. Server-Sent Events. 3 February 2015. REC. URL: https://www.w3.org/TR/eventsource/
Anne van Kesteren. Fetch Standard. Living Standard. URL: https://fetch.spec.whatwg.org/
Marijn Kruisselbrink. File API. 26 October 2017. WD. URL: https://www.w3.org/TR/FileAPI/
Anne van Kesteren. Fullscreen API Standard. Living Standard. URL: https://fullscreen.spec.whatwg.org/
Simon Pieters; Dirk Schulze; Rik Cabanier. Geometry Interfaces Module Level 1. 25 November 2014. CR. URL: https://www.w3.org/TR/geometry-1/
Graphics Interchange Format. 31 July 1990. URL: https://www.w3.org/Graphics/GIF/spec-gif89a.txt
Ilya Grigorik; James Simonsen; Jatinder Mann. High Resolution Time Level 2. 3 August 2017. CR. URL: https://www.w3.org/TR/hr-time-2/
Anne van Kesteren; et al. HTML Standard. Living Standard. URL: https://html.spec.whatwg.org/multipage/
Steve Faulkner; et al. HTML Accessibility API Mappings 1.0. 31 January 2018. WD. URL: https://www.w3.org/TR/html-aam-1.0/
Steve Faulkner. ARIA in HTML. 31 January 2018. WD. URL: https://www.w3.org/TR/html-aria/
Charles McCathieNevile; Mark Sadecki. HTML5 Image Description Extension (longdesc). 26 February 2015. REC. URL: https://www.w3.org/TR/html-longdesc/
HTTP is the union of a set of RFCs:
Nikunj Mehta; et al. Indexed Database API. 8 January 2015. REC. URL: https://www.w3.org/TR/IndexedDB/
Anne van Kesteren; Domenic Denicola. Infra Standard. Living Standard. URL: https://infra.spec.whatwg.org/
ISO 3166: Codes for the representation of names of countries and their subdivisions – Part 1: Country codes. November 2013. Published. URL: https://www.iso.org/standard/63545.html
Currency codes - ISO 4217. 2015. International Standard. URL: http://www.iso.org/iso/home/standards/currency_codes.htm
Yasuhiro Anan; et al. Requirements for Japanese Text Layout. 3 April 2012. NOTE. URL: https://www.w3.org/TR/jlreq/
Eric Hamilton. JPEG File Interchange Format. September 1992. URL: https://www.w3.org/Graphics/JPEG/jfif3.pdf
Patrick D F Ion; Robert R Miner. Mathematical Markup Language (MathML) 1.01 Specification. 7 July 1999. REC. URL: https://www.w3.org/TR/REC-MathML/
Raphaël Troncy; et al. Media Fragments URI 1.0 (basic). 25 September 2012. REC. URL: https://www.w3.org/TR/media-frags/
Matthew Wolenetz; et al. Media Source Extensions™. 17 November 2016. REC. URL: https://www.w3.org/TR/media-source/
Daniel Burnett; et al. Media Capture and Streams. 3 October 2017. CR. URL: https://www.w3.org/TR/mediacapture-streams/
Florian Rivoal; Tab Atkins Jr.. Media Queries Level 4. 5 September 2017. CR. URL: https://www.w3.org/TR/mediaqueries-4/
Microformats Wiki: existing rel values. Microformats.
Gordon P. Hemsley. MIME Sniffing Standard. Living Standard. URL: https://mimesniff.spec.whatwg.org/
MNG (Multiple-image Network Graphics) Format. G. Randers-Pehrson.
Information technology -- Generic coding of moving pictures and associated audio information: Systems ITU-T Rec. H.222.0 / ISO/IEC 13818-1:2013. URL: http://www.itu.int/rec/T-REC-H.222.0-201206-I
ISO/IEC 14496-12: ISO base media file format. ISO/IEC.
ISO/IEC 23009-1:2014 Information technology -- Dynamic adaptive streaming over HTTP (DASH) -- Part 1: Media presentation description and segment formats. URL: http://standards.iso.org/ittf/PubliclyAvailableStandards/c065274_ISO_IEC_23009-1_2014.zip
Ogg Skeleton 4 Message Headers. 17 March 2014. URL: https://wiki.xiph.org/SkeletonHeaders
Autodiscovery in HTML/XHTML. In OpenSearch 1.1 Draft 4, Section 4.6.2. OpenSearch.org.
A. Barth. The Web Origin Concept. December 2011. Proposed Standard. URL: https://tools.ietf.org/html/rfc6454
Jatinder Mann; Arvind Jain. Page Visibility (Second Edition). 29 October 2013. REC. URL: https://www.w3.org/TR/page-visibility/
Adrian Bateman; et al. Payment Request API. 23 January 2018. CR. URL: https://www.w3.org/TR/payment-request/
Document management — Portable document format — Part 1: PDF. ISO.
Tom Lane. Portable Network Graphics (PNG) Specification (Second Edition). 10 November 2003. REC. URL: https://www.w3.org/TR/PNG/
Vincent Scheib. Pointer Lock. 27 October 2016. REC. URL: https://www.w3.org/TR/pointerlock/
Ilya Grigorik; Yoav Weiss. Preload. 26 October 2017. CR. URL: https://www.w3.org/TR/preload/
Mark Foltz; Dominik Röttsches. Presentation API. 1 June 2017. CR. URL: https://www.w3.org/TR/presentation-api/
Anne van Kesteren; Charles McCathie Nevile; Jungkee Song. Progress Events. 11 February 2014. REC. URL: https://www.w3.org/TR/progress-events/
Public Suffix List. Mozilla Foundation.
Referrer Policy. URL: https://www.w3.org/TR/referrer-policy
N. Freed; N. Borenstein. Multipurpose Internet Mail Extensions (MIME) Part Two: Media Types. November 1996. Draft Standard. URL: https://tools.ietf.org/html/rfc2046
S. Bradner. Key words for use in RFCs to Indicate Requirement Levels. March 1997. Best Current Practice. URL: https://tools.ietf.org/html/rfc2119
H. Lie; B. Bos; C. Lilley. The text/css Media Type. March 1998. Informational. URL: https://tools.ietf.org/html/rfc2318
L. Masinter. The "data" URL scheme. August 1998. Proposed Standard. URL: https://tools.ietf.org/html/rfc2397
M. Mealling; R. Daniel. URI Resolution Services Necessary for URN Resolution. January 1999. Experimental. URL: https://tools.ietf.org/html/rfc2483
S. Josefsson. The Base16, Base32, and Base64 Data Encodings. October 2006. Proposed Standard. URL: https://tools.ietf.org/html/rfc4648
E. Wilde; A. Vaha-Sipila. URI Scheme for Global System for Mobile Communications (GSM) Short Message Service (SMS). January 2010. Proposed Standard. URL: https://tools.ietf.org/html/rfc5724
M. Duerst; L. Masinter; J. Zawinski. The 'mailto' URI Scheme. October 2010. Proposed Standard. URL: https://tools.ietf.org/html/rfc6068
J. Reschke. Use of the Content-Disposition Header Field in the Hypertext Transfer Protocol (HTTP). June 2011. Proposed Standard. URL: https://tools.ietf.org/html/rfc6266
S. Perreault. vCard Format Specification. August 2011. Proposed Standard. URL: https://tools.ietf.org/html/rfc6350
R. Gellens; D. Singer; P. Frojdh. The 'Codecs' and 'Profiles' Parameters for "Bucket" Media Types. August 2011. Proposed Standard. URL: https://tools.ietf.org/html/rfc6381
I. Fette; A. Melnikov. The WebSocket Protocol. December 2011. Proposed Standard. URL: https://tools.ietf.org/html/rfc6455
J. Yao; W. Mao. SMTP Extension for Internationalized Email. February 2012. Proposed Standard. URL: https://tools.ietf.org/html/rfc6531
S. Moonesamy, Ed.. The "about" URI Scheme. August 2012. Informational. URL: https://tools.ietf.org/html/rfc6694
R. Fielding, Ed.; J. Reschke, Ed.. Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing. June 2014. Proposed Standard. URL: https://tools.ietf.org/html/rfc7230
R. Fielding, Ed.; J. Reschke, Ed.. Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content. June 2014. Proposed Standard. URL: https://tools.ietf.org/html/rfc7231
R. Fielding, Ed.; J. Reschke, Ed.. Hypertext Transfer Protocol (HTTP/1.1): Conditional Requests. June 2014. Proposed Standard. URL: https://tools.ietf.org/html/rfc7232
R. Fielding, Ed.; M. Nottingham, Ed.; J. Reschke, Ed.. Hypertext Transfer Protocol (HTTP/1.1): Caching. June 2014. Proposed Standard. URL: https://tools.ietf.org/html/rfc7234
H. Thompson; C. Lilley. XML Media Types. July 2014. Proposed Standard. URL: https://tools.ietf.org/html/rfc7303
L. Masinter. Returning Values from Forms: multipart/form-data. July 2015. Proposed Standard. URL: https://tools.ietf.org/html/rfc7578
D. Thaler, Ed.; T. Hansen; T. Hardie. Guidelines and Registration Procedures for URI Schemes. June 2015. Best Current Practice. URL: https://tools.ietf.org/html/rfc7595
M. Nottingham. Web Linking. October 2017. Proposed Standard. URL: https://tools.ietf.org/html/rfc8288
Mike West. Secure Contexts. 15 September 2016. CR. URL: https://www.w3.org/TR/secure-contexts/
Ryosuke Niwa. Selection API. 28 June 2017. WD. URL: https://www.w3.org/TR/selection-api/
Elika Etemad; Tab Atkins Jr.. Selectors Level 4. 2 May 2013. WD. URL: https://www.w3.org/TR/selectors4/
Alex Russell; et al. Service Workers 1. 2 November 2017. WD. URL: https://www.w3.org/TR/service-workers-1/
Amendment 1 - Multimedia systems and equipment - Colour measurement and management - Part 2-1: Colour management - Default RGB colour space - sRGB. URL: https://webstore.iec.ch/publication/6168
Devdatta Akhawe; et al. Subresource Integrity. 23 June 2016. REC. URL: https://www.w3.org/TR/SRI/
Erik Dahlström; et al. Scalable Vector Graphics (SVG) 1.1 (Second Edition). 16 August 2011. REC. URL: https://www.w3.org/TR/SVG11/
Nikos Andronikos; et al. Scalable Vector Graphics (SVG) 2. 15 September 2016. CR. URL: https://www.w3.org/TR/SVG2/
Ola Andersson; et al. Scalable Vector Graphics (SVG) Tiny 1.2 Specification. 22 December 2008. REC. URL: https://www.w3.org/TR/SVGTiny12/
Doug Schepers; et al. Touch Events. 10 October 2013. REC. URL: https://www.w3.org/TR/touch-events/
Gary Kacmarcik; Travis Leithead. UI Events. 4 August 2016. WD. URL: https://www.w3.org/TR/uievents/
The Unicode Standard. URL: https://www.unicode.org/versions/latest/
Anne van Kesteren. URL Standard. Living Standard. URL: https://url.spec.whatwg.org/
P. Saint-Andre; J. Klensin. Uniform Resource Names (URNs). April 2017. Proposed Standard. URL: https://tools.ietf.org/html/rfc8141
James Craig; Michael Cooper; et al. Accessible Rich Internet Applications (WAI-ARIA) 1.0. 20 March 2014. REC. URL: https://www.w3.org/TR/wai-aria/
Joanmarie Diggs; et al. Accessible Rich Internet Applications (WAI-ARIA) 1.1. 14 December 2017. REC. URL: https://www.w3.org/TR/wai-aria-1.1/
Dean Jackson; Jeff Gilbert. WebGL Specification, Version 1.0. 9 August 2017. URL: https://www.khronos.org/registry/webgl/specs/latest/1.0/
Dean Jackson; Jeff Gilbert. WebGL 2.0 Specification. 12 August 2017. URL: https://www.khronos.org/registry/webgl/specs/latest/2.0/
Cameron McCormack; Boris Zbarsky; Tobie Langel. Web IDL. 15 December 2016. ED. URL: https://heycam.github.io/webidl/
Cameron McCormack. WebIDL Level 1. 15 December 2016. REC. URL: https://www.w3.org/TR/2016/REC-WebIDL-1-20161215/
WebM Container Guidelines. 26 April 2016. URL: https://www.webmproject.org/docs/container/
Ian Hickson. Web Storage (Second Edition). 19 April 2016. REC. URL: https://www.w3.org/TR/webstorage/
Ian Hickson. Web Workers. 24 September 2015. WD. URL: https://www.w3.org/TR/workers/
Anne van Kesteren. XMLHttpRequest Standard. Living Standard. URL: https://xhr.spec.whatwg.org/
Steven DeRose; Eve Maler; David Orchard. XML Linking Language (XLink) Version 1.0. 27 June 2001. REC. URL: https://www.w3.org/TR/xlink/
Tim Bray; et al. Extensible Markup Language (XML) 1.0 (Fifth Edition). 26 November 2008. REC. URL: https://www.w3.org/TR/xml/
Tim Bray; et al. Namespaces in XML 1.0 (Third Edition). 8 December 2009. REC. URL: https://www.w3.org/TR/xml-names/
James Clark; Simon Pieters; Henry Thompson. Associating Style Sheets with XML documents 1.0 (Second Edition). 28 October 2010. REC. URL: https://www.w3.org/TR/xml-stylesheet/
Jonathan Marsh. XML Base (Second Edition). 28 January 2009. REC. URL: https://www.w3.org/TR/xmlbase/
James Clark; Steven DeRose. XML Path Language (XPath) Version 1.0. 16 November 1999. REC. URL: https://www.w3.org/TR/xpath/
Steven DeRose; et al. XPointer xmlns() Scheme. 25 March 2003. REC. URL: https://www.w3.org/TR/xptr-xmlns/

Informative References

S. Parmenter; V. Vukicevic; A. Smith. APNG Specification. URL: https://wiki.mozilla.org/APNG_Specification
Jan Richards; Jeanne F Spellman; Jutta Treviranus. Authoring Tool Accessibility Guidelines (ATAG) 2.0. 24 September 2015. REC. URL: https://www.w3.org/TR/ATAG20/
Anssi Kostiainen; Mounir Lamouri. Battery Status API. 7 July 2016. CR. URL: https://www.w3.org/TR/battery-status/
M. Scherer; M. Davis. UTN #6: BOCU-1: MIME-Compatible Unicode Compression. URL: https://www.unicode.org/notes/tn6/
T. Phipps. UTR #26: Compatibility Encoding Scheme For UTF-16: 8-BIT (CESU-8). URL: https://www.unicode.org/reports/tr26/
Martin Dürst; et al. Character Model for the World Wide Web 1.0: Fundamentals. 15 February 2005. REC. URL: https://www.w3.org/TR/charmod/
A. Turing. On computable numbers, with an application to the Entscheidungsproblem, Proceedings of the London Mathematical Society, series 2, volume 42,. 1937. URL: http://www.turingarchive.org/browse.php/B/12
Tab Atkins Jr.. CSS Lists and Counters Module Level 3. 20 March 2014. WD. URL: https://www.w3.org/TR/css-lists-3/
Rossen Atanassov; Elika J. Etemad. CSS Logical Properties Level 1. ED. URL: https://drafts.csswg.org/css-logical-props/
Dean Jackson; et al. CSS Animations Level 1. 30 November 2017. WD. URL: https://www.w3.org/TR/css-animations-1/
The DOT Language. URL: http://www.graphviz.org/content/dot-language
A. Gregor. HTML Editing APIs. URL: https://dvcs.w3.org/hg/editing/raw-file/tip/editing.html
The Extensible Web Manifesto. 10 June 2013. URL: https://extensiblewebmanifesto.org/
Computer Graphics: Principles and Practice in C, Second Edition, J. Foley, A. van Dam, S. Feiner, J. Hughes. Addison-Wesley. ISBN 0-201-84840-6.
Inter Gravissimas, A. Lilius, C. Clavius. Gregory XIII Papal Bull, February 1582.
Manu Sporny. HTML+RDFa 1.1 - Second Edition. 17 March 2015. REC. URL: https://www.w3.org/TR/html-rdfa/
Simon Pieters. HTML5 Differences from HTML4. 9 December 2014. NOTE. URL: https://www.w3.org/TR/html5-diff/
Silvia Pfeiffer; Bob Lund. Sourcing In-band Media Resource Tracks from Media Containers into HTML. 26 April 2015. Unofficial Draft. URL: https://dev.w3.org/html5/html-sourcing-inband-tracks/
Representation of dates and times. ISO 8601:2004.. 2004. ISO 8601:2004. URL: http://www.iso.org/iso/catalogue_detail?csnumber=40874
Gecko Plugin API Reference. Mozilla.
The Properties and Promises of UTF-8, M. Dürst. University of Zürich. In Proceedings of the 11th International Unicode Conference.
Manu Sporny. RDFa Lite 1.1 - Second Edition. 17 March 2015. REC. URL: https://www.w3.org/TR/rdfa-lite/
Ilya Grigorik. Resource Hints. 15 January 2018. WD. URL: https://www.w3.org/TR/resource-hints/
D. Goldsmith; M. Davis. UTF-7 A Mail-Safe Transformation Format of Unicode. May 1997. Informational. URL: https://tools.ietf.org/html/rfc2152
R. Gellens. The Text/Plain Format and DelSp Parameters. February 2004. Proposed Standard. URL: https://tools.ietf.org/html/rfc3676
M. Nottingham, Ed.; R. Sayre, Ed.. The Atom Syndication Format. December 2005. Proposed Standard. URL: https://tools.ietf.org/html/rfc4287
B. Hoehrmann. Scripting Media Types. April 2006. Informational. URL: https://tools.ietf.org/html/rfc4329
J. Klensin. Internationalized Domain Names for Applications (IDNA): Definitions and Document Framework. August 2010. Proposed Standard. URL: https://tools.ietf.org/html/rfc5890
Richard Ishida. Use Cases & Exploratory Approaches for Ruby Markup. 8 October 2013. NOTE. URL: https://www.w3.org/TR/ruby-use-cases/
UTR #6: A Standard Compression Scheme For Unicode, M. Wolf, K. Whistler, C. Wicksteed, M. Davis, A. Freytag, M. Scherer. Unicode Consortium.
Addison Phillips; et al. Working with Time Zones. 5 July 2011. NOTE. URL: https://www.w3.org/TR/timezone/
Time Zone Database. IANA.
James Allan; et al. User Agent Accessibility Guidelines (UAAG) 2.0. 15 December 2015. NOTE. URL: https://www.w3.org/TR/UAAG20/
Ryosuke Niwa. UndoManager and DOM Transaction. ED. URL: https://dvcs.w3.org/hg/undomanager/raw-file/tip/undomanager.html
Mark Davis; Michel Suignard. Unicode Security Considerations. 19 September 2014. Unicode Technical Report #36. URL: https://www.unicode.org/reports/tr36/
A composite approach to language/encoding detection, S. Li, K. Momoi. Netscape. In Proceedings of the 19th International Unicode Conference.
Multilingual form encoding, M. Dürst. W3C.
Matthew King; et al. WAI-ARIA Authoring Practices 1.1. 14 December 2017. NOTE. URL: https://www.w3.org/TR/wai-aria-practices-1.1/
Ben Caldwell; et al. Web Content Accessibility Guidelines (WCAG) 2.0. 11 December 2008. REC. URL: https://www.w3.org/TR/WCAG20/
Simon Pieters. WebVTT: The Web Video Text Tracks Format. 8 August 2017. WD. URL: https://www.w3.org/TR/webvtt1/
Randall Munroe. Substitutions. URL: https://xkcd.com/1288/
David Carlisle; Patrick D F Ion. XML Entity Definitions for Characters (2nd Edition). 10 April 2014. REC. URL: https://www.w3.org/TR/xml-entity-names/
James Clark. XSL Transformations (XSLT) Version 1.0. 16 November 1999. REC. URL: https://www.w3.org/TR/xslt/
DOM XSLTProcessor. URL: https://wiki.whatwg.org/wiki/DOM_XSLTProcessor