The Amiga Skyline BBS software was the first in 1987 featuring a script markup language communication protocol called Skypix which was capable to give the user a complete graphical interface, featuring rich graphic content, changeable fonts, mouse-controlled actions, animations and sound.

* Text encoding uses a markup language to tag the structure and other features of a text to facilitate processing by computers.

A Document Type Definition ( DTD ) is a set of markup declarations that define a document type for an SGML-family markup language ( SGML, XML, HTML ).

Dynamic HTML, or DHTML, is an umbrella term for a collection of technologies used together to create interactive and animated web sites by using a combination of a static markup language ( such as HTML ), a client-side scripting language ( such as JavaScript ), a presentation definition language ( such as CSS ), and the Document Object Model.

HyperText Markup Language ( HTML ) is the main markup language for displaying web pages and other information that can be displayed in a web browser.

HyperText Markup Language is a markup language that web browsers use to interpret and compose text, images and other material into visual or audible web pages.

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* XML with the XLink extension – A newer hypertext markup language that extends and expands capabilities introduced by HTML.

Example of RecipeBook, a simple markup language based on XML for creating recipes.

The markup can be converted to HTML, Portable Document Format | PDF and Rich Text Format using a programming language or Extensible Stylesheet Language | XSL.

A markup language is a modern system for annotating a document in a way that is syntactically distinguishable from the text.

A well-known example of a markup language in widespread use today is HyperText Markup Language ( HTML ), one of the document formats of the World Wide Web.

The markup language used by Wikipedia is one example.

In the 1970s, Tunnicliffe led the development of a standard called GenCode for the publishing industry and later was the first chair of the International Organization for Standardization committee that created SGML, the first standard descriptive markup language.

HTML is quite likely the most used markup language in the world today.

Some would restrict the term " markup language " to systems that directly support non-hierarchical structures ( see Hierarchical model ).

However, the term " container language " is not in widespread use, and such hierarchical languages are almost universally considered markup languages.

XML ( Extensible Markup Language ) is a meta markup language that is now widely used.

While the idea of markup language originated with text documents, there is an increasing usage of markup languages in other areas which involve the presentation of various types of information, including playlists, vector graphics, web services, content syndication, and user interfaces.

If the character encoding for a web page is chosen appropriately then HTML character references are usually only required for a markup delimiting characters mentioned above, and for a few special characters ( or not at all if a native Unicode encoding like UTF-8 is used ).

However, the SGML concept of generalized markup is based on elements ( nested annotated ranges with attributes ) rather than merely print effects, with also the separation of structure and processing ; HTML has been progressively moved in this direction with CSS.

The following is an example of the classic Hello world program, a common test employed for comparing programming languages, scripting languages and markup languages.

The markup rules indicate that the ratio between profit margin and the price is inversely proportional to the price elasticity of demand.

HTML, which is an instance of SGML ( though, strictly, it does not comply with all the rules of SGML ), follows many of the markup conventions used in the publishing industry in the communication of printed work between authors, editors, and printers.

Such markup is usually designed to be hidden from human users, even those who are authors or editors.

Text with such markup is often edited with the markup visible and directly manipulated by the author.

Such markup is often described as " semantic ".

An example of descriptive markup would be HTML's < cite > tag, which is used to label a citation.

There is considerable blurring of the lines between the types of markup.

In modern word-processing systems, presentational markup is often saved in descriptive-markup-oriented systems such as XML, and then processed procedurally by implementations.

The term markup is derived from the traditional publishing practice of " marking up " a manuscript, which involves adding handwritten annotations in the form of conventional symbolic printer's instructions in the margins and text of a paper manuscript or printed proof.

However, IBM researcher Charles Goldfarb is more commonly seen today as the " father " of markup languages.

Availability of WYSIWYG (" what you see is what you get ") publishing software supplanted much use of these languages among casual users, though serious publishing work still uses markup to specify the non-visual structure of texts, and WYSIWYG editors now usually save documents in a markup-language-based format.

From the late ' 80s on, most substantial new markup languages have been based on SGML system, including for example TEI and DocBook.

Generalized markup is based on two novel postulates:

Currently, the World Wide Web is based mainly on documents written in Hypertext Markup Language ( HTML ), a markup convention that is used for coding a body of text interspersed with multimedia objects such as images and interactive forms.

Fluid layouts developed around 2000 as a replacement for HTML-table-based layouts, as a rejection of grid-based design both as a design principle, and as a coding technique, but were very slow to be adopted .< ref group =" note " >- based markup and spacer. GIF images </ ref > The axiomatic assumption is that readers will have screen devices, or windows thereon, of different sizes and that there is nothing the page designer can do to change this.

A primary outcome of the DAML program was the DAML language, an agent markup language based on RDF.

Wireless Markup Language ( WML ), based on XML, is a markup language intended for devices that implement the Wireless Application Protocol ( WAP ) specification, such as mobile phones.

The W3C has developed a standard markup language SSML, which is based on JSML but is not identical to it.

The standard generalized markup language ( SGML ) was based upon IBM Generalized Markup Language ( GML ).

Among the commonly used methods are comparable uncontrolled prices, cost-plus, resale price or markup, and profitability based methods.

If the markup over cost is based on demand conditions, cost-plus pricing may not be inconsistent with profit maximization.

Equation 2 can be interpreted as a cost-plus pricing or markup pricing scheme. That is the price of the product is based on markup over average costs.

Although the syntactical structures of tag based languages do not significantly vary indentation may vary significantly due to how a markup language is interpreted or in reflect to the data they describe.

Much of the functionality of the language is based on work from CSS, so a CSS user will be familiar with the basics of the markup attributes.

A number of different " standards " proliferated for a time, often based around vector graphics markup languages supported by plotters.

It is based in part on the TeX typesetting system, and uses a document markup language for manuscript preparation.

Online, the use of the em measurement has become more common ; with the development of Cascading Style Sheets ( or CSS ), the W3C best practices recommendations within HTML and online markup now call for web pages to be based on scalable designs, using a relative unit of measurement ( such as the em measurement ), rather than a fixed one such as pixels (" px ") or points.

CellML is an XML based markup language for describing mathematical models.

* Transducer Markup Language ( TML ) is an XML based markup language which enables sensor fusion.

* TransducerML, an XML based markup language that specifies how to capture, time-tag and describe sensor data

The concept of the user interface markup languages is primarily based upon the desire to prevent the " re-invention of the wheel " in the design, development and function of a user interface ; such re-invention comes in the form of coding a script for the entire user interface.