View source for Handheld Device Markup Language

{{short description|Markup language}}
{{Infobox technology standard
| title             = HDML
| long_name         = Handheld Device Markup Language
| native_name       = Handheld Device Markup Language
| native_name_lang  = en
| image             = Mobile Web Standards Evolution Vector.svg
| caption           = Evolution of mobile web standards
| status            = 
| year_started      = 1996<ref name="mag-cite">{{cite magazine |date=October 7, 1996|title=AllianceRoundup, Redwood Shores, Calif|magazine=InfoWorld|publisher= IDG|issn=0199-6649|volume=18|number=41|page=TW/1}}</ref>
| first_published   = {{Start date|1997|04|11|df=y}}<ref name="w3c-page">{{Cite web|url=https://www.w3.org/TR/NOTE-Submission-HDML-spec.html|title=Handheld Device Markup Language Specification|first1=Peter|last1=King|first2=Tim|last2=Hyland|website=W3C|date=1997-04-11|access-date=2021-04-04}}</ref>
| version           = HDML 2.0
| version_date      = 
| preview           = 
| preview_date      = 
| organization      = {{Plainlist|
* [[World Wide Web Consortium]]
* Unwired Planet
}}
| committee         = 
| editors           = 
| authors           = {{Plainlist|
* Peter King<ref name="w3c-page" />
* Tim Hyland<ref name="w3c-page" />
}}
| base_standards    = 
| related_standards = {{Plainlist|
* [[HTML]]
* [[Wireless Markup Language|WML]] (Wireless Markup Language)
}}
| abbreviation      = HDML
| domain            = 
| license           = 
| website           = {{URL|https://www.w3.org/TR/NOTE-Submission-HDML-spec.html}}
}}

The '''Handheld Device Markup Language''' ('''HDML''') is a [[markup language]]<ref name="w3c-page" /> intended for display on [[handheld computer]]s, [[information appliance]]s, [[smartphone]]s, etc.. It is similar to [[HTML]],<ref>{{cite magazine |last=Blass|first=Steve|date=October 11, 1999|title=Ask Dr. Intranet What does HDML stand for and what is its purpose?|magazine=Network World|publisher= IDG|issn=0887-7661|volume=16|number=41|page=41}}</ref> but for [[wireless]] and handheld devices with small displays, like [[Personal digital assistant|PDA]], [[mobile phone]]s and so on.  

It was originally developed in about 1996 by [[Unwired Planet]],<ref name="mag-cite"/> the company that became Phone.com and then [[Openwave]].<ref>{{Cite magazine|last=Dragan|first=Richard V.|date= March 6, 2001|title= Internet Pro, Wireless by Design |magazine= PC Magazine |publisher=Ziff Davis|issn=0888-8507|volume=20|number=5|page=IP04}}</ref>  HDML was submitted to W3C for standardization,<ref>{{Cite news| title = HDML Standard Submission & Specification | date = 1997-04-11 | url = http://www.w3.org/Submission/1997/5/}}</ref> but was not turned into a standard.  Instead it became an important influence on the development and standardization of [[Wireless Markup Language|WML]], which then replaced HDML in practice. Unlike WML, HDML has no support for scripts.<ref>{{cite magazine |last1=Pender|first2=Lee|last2=Dunne|first1=Danielle|date=March 15, 2001|title=Glossary, HDML|magazine=CIO|publisher= [[CXO Media]] (IDG)|issn=0894-9301|volume=14|number=11|page=126}}</ref>

==See also==
*[[Wireless Application Protocol]]
*[[List of document markup languages]]
*[[Comparison of document markup languages]]

== References ==
{{Reflist}}

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==External links==
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{{W3C standards}}
{{Document markup languages}}

[[Category:Markup languages]]
[[Category:Internet properties established in 1996]]
[[Category:Mobile web]]
{{markup-languages-stub}}