The Handheld Device Markup Language (HDML) is a
markup language intended for display on
handheld computer
A mobile device (or handheld computer) is a computer small enough to hold and operate in the hand. Mobile devices typically have a flat LCD or OLED screen, a touchscreen interface, and digital or physical buttons. They may also have a physical ...
s,
information appliance
An information appliance (IA) is an appliance that is designed to easily perform a specific electronic function such as playing music, photography, or editing text.
Typical examples are smartphones and personal digital assistants (PDAs). Inf ...
s,
smartphone
A smartphone is a portable computer device that combines mobile telephone and computing functions into one unit. They are distinguished from feature phones by their stronger hardware capabilities and extensive mobile operating systems, whic ...
s, etc.. It is similar to
HTML
The HyperText Markup Language or HTML is the standard markup language for documents designed to be displayed in a web browser. It can be assisted by technologies such as Cascading Style Sheets (CSS) and scripting languages such as JavaSc ...
, but for
wireless
Wireless communication (or just wireless, when the context allows) is the transfer of information between two or more points without the use of an electrical conductor, optical fiber or other continuous guided medium for the transfer. The most ...
and handheld devices with small displays, like
PDA,
mobile phone
A mobile phone, cellular phone, cell phone, cellphone, handphone, hand phone or pocket phone, sometimes shortened to simply mobile, cell, or just phone, is a portable telephone that can make and receive calls over a radio frequency link whi ...
s and so on.
It was originally developed in about 1996 by
Unwired Planet
Openwave (formerly software.com, phone.com, and Libris, Inc) is a division of Enea. It provides video traffic management and 5G mobile products.
Two of Openwave's former products launched as private companies; Openwave Mobility and Openwave ...
,
the company that became Phone.com and then
Openwave
Openwave (formerly software.com, phone.com, and Libris, Inc) is a division of Enea. It provides video traffic management and 5G mobile products.
Two of Openwave's former products launched as private companies; Openwave Mobility and Openwave ...
. HDML was submitted to W3C for standardization, but was not turned into a standard. Instead it became an important influence on the development and standardization of
WML, which then replaced HDML in practice. Unlike WML, HDML has no support for scripts.
See also
*
Wireless Application Protocol
Wireless Application Protocol (WAP) is a technical standard for accessing information over a mobile wireless network. A WAP browser is a web browser for mobile devices such as mobile phones that use the protocol. Introduced in 1999, WAP achieve ...
*
List of document markup languages
The following is a list of document markup languages. You may also find the List of markup languages of interest.
Well-known document markup languages
* HyperText Markup Language (HTML) – the original markup language that was defined as a part o ...
*
Comparison of document markup languages The following tables compare general and technical information for a number of document markup languages. Please see the individual markup languages' articles for further information.
General information
Basic general information about the marku ...
References
Markup languages
Computer-related introductions in 1996
Mobile web
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