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GitHub Flavored Markdown
Markdown is a lightweight markup language for creating formatted text using a plain-text editor. John Gruber created Markdown in 2004 as an easy-to-read markup language. Markdown is widely used for blogging and instant messaging, and also used elsewhere in online forums, collaborative software, documentation pages, and readme files. The initial description of Markdown contained ambiguities and raised unanswered questions, causing implementations to both intentionally and accidentally diverge from the original version. This was addressed in 2014 when long-standing Markdown contributors released CommonMark, an unambiguous specification and test suite for Markdown. History Markdown was inspired by pre-existing conventions for marking up plain text in email and usenet posts, such as the earlier markup languages setext (), Textile (c. 2002), and reStructuredText (c. 2002). In 2002 Aaron Swartz created atx and referred to it as "the true structured text format". Gru ...
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John Gruber
John Gruber (born 1973) is a technology blogger, UI designer, and co-creator of the Markdown markup language. Gruber authors the Apple enthusiast blog Daring Fireball and produces its accompanying podcast, ''The Talk Show''. History Gruber is from Philadelphia, Pennsylvania. He received his Bachelor of Science in computer science from Drexel University, and worked for Bare Bones Software (2000–02) and Joyent (2005–06). In 2004, Aaron Swartz and Gruber worked together to create the Markdown language, with the goal of enabling people "to write using an easy-to-read and easy-to-write plain text format, optionally convert it to structurally valid XHTML (or HTML)".Markdown 1.0.1 readme source code Media Daring Fireball Since 2002, Gruber has written and produced Daring Fireball, a technology-focused weblog. He has described his Daring Fireball writing as a " Mac column in the form of a weblog". The site is written in the form of a tumblelog called ''The Linked List'', a lin ...
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Documentation
Documentation is any communicable material that is used to describe, explain or instruct regarding some attributes of an object, system or procedure, such as its parts, assembly, installation, maintenance, and use. As a form of knowledge management and knowledge organization, documentation can be provided on paper, online, or on digital or analog media, such as audio tape or CDs. Examples are user guides, white papers, online help, and quick-reference guides. Paper or hard-copy documentation has become less common. Documentation is often distributed via websites, software products, and other online applications. Documentation as a set of instructional materials shouldn't be confused with documentation science, the study of the recording and retrieval of information. Principles for producing documentation While associated International Organization for Standardization (ISO) standards are not easily available publicly, a guide from other sources for this topic may serve ...
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Rich Text Format
) As an example, the following RTF code would be rendered as follows: This is some bold text. Character encoding A standard RTF file can only consist of 7-bit ASCII characters, but can use escape sequences to encode other characters. The two character escapes are code page escapes and, starting with RTF 1.5, Unicode escapes. In a code page escape, two hexadecimal digits following a backslash and typewriter apostrophe denote a character taken from a Windows code page. For example, if the code page is set to Windows-1256, the sequence \'c8 will encode the Arabic letter ''bāʼ'' ب. It is also possible to specify a "Character Set" in the preamble of the RTF document and associate it to a header. For example, the preamble has the text \f3\fnil\fcharset128, then, in the body of the document, the text \f3\'bd\'f0 will represent the code point 0xbd 0xf0 from the Character Set 128 (which corresponds to the Shift-JIS code page), which encodes "金". For a Unicode escape ...
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HTML
Hypertext Markup Language (HTML) is the standard markup language for documents designed to be displayed in a web browser. It defines the content and structure of web content. It is often assisted by technologies such as Cascading Style Sheets (CSS) and scripting languages such as JavaScript, a programming language. Web browsers receive HTML documents from a web server or from local storage and browser engine, render the documents into multimedia web pages. HTML describes the structure of a web page Semantic Web, semantically and originally included cues for its appearance. HTML elements are the building blocks of HTML pages. With HTML constructs, HTML element#Images and objects, images and other objects such as Fieldset, interactive forms may be embedded into the rendered page. HTML provides a means to create structured documents by denoting structural semantics for text such as headings, paragraphs, lists, Hyperlink, links, quotes, and other items. HTML elements are delineated ...
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XHTML
Extensible HyperText Markup Language (XHTML) is part of the family of XML markup languages which mirrors or extends versions of the widely used HyperText Markup Language (HTML), the language in which Web pages are formulated. While HTML, prior to HTML5, was defined as an application of Standard Generalized Markup Language (SGML), a flexible markup language framework, XHTML is an application of XML, a more restrictive subset of SGML. XHTML documents are well-formed and may therefore be parsed using standard XML parsers, unlike HTML, which requires a lenient HTML-specific parser. XHTML 1.0 became a World Wide Web Consortium (W3C) recommendation on 26 January 2000. XHTML 1.1 became a W3C recommendation on 31 May 2001. XHTML is now referred to as "the XML syntax for HTML" and being developed as an XML adaptation of the HTML living standard. Overview XHTML 1.0 was "a reformulation of the three HTML 4 document types as applications of XML 1.0". The World Wide Web Consortiu ...
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Atx (markup Language)
Aaron Hillel Swartz (; November 8, 1986January 11, 2013), also known as AaronSw, was an American computer programmer, entrepreneur, writer, political organizer, and Internet hacktivism, hacktivist. As a programmer, Swartz helped develop the web feed format RSS; the technical architecture for Creative Commons, an organization dedicated to creating copyright licenses; and the Python website framework web.py. Swartz helped define the syntax of lightweight markup language format Markdown, and was a co-owner of the social news aggregation website Reddit and contributed to its development until he left the company in 2007. He is often credited as a martyr and a child prodigy, prodigy, and much of his work focused on civil society, civic awareness and Progressivism, progressive activism. After Reddit was sold to Condé Nast Publications in 2006, Swartz became more involved in activism, helping launch the Progressive Change Campaign Committee in 2009. In 2010, he became a research fell ...
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ReStructuredText
reStructuredText (RST, ReST, or reST) is a file format for textual data used primarily in the Python programming language community for technical documentation. It is part of the Docutils project of the Python Doc-SIG (Documentation Special Interest Group), aimed at creating a set of tools for Python similar to Javadoc for Java or Plain Old Documentation (POD) for Perl. Docutils can extract comments and information from Python programs, and format them into various forms of program documentation. In this sense, reStructuredText is a lightweight markup language designed to be both processable by documentation-processing software such as Docutils, and be easily readable by human programmers who are reading and writing Python source code. History reStructuredText evolved from an earlier lightweight markup language called StructuredText (developed by Zope). There were a number of problems with StructuredText, and reST was developed to address them. The name reStructuredText was c ...
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Textile (markup Language)
Textile is a lightweight markup language that uses a text formatting syntax to convert plain text into structured HTML markup. Textile is used for writing articles, forum posts, readme documentation, and any other type of written content published online. History Textile was developed by Dean Allen in 2002, which he billed as "a humane web text generator" that enabled you to "simply write". Dean created Textile for use in Textpattern, the CMS he also developed about the same time. Textile is one of several lightweight markup languages to have influenced the development of Markdown. Doctype support Text marked-up with Textile converts into valid HTML when rendered in a web browser, and though it probably varies from one implementation type to another, an installation of Textile can be set for a Doctype Declaration of XHTML or HTML5, with XHTML being the default for backward compatibility. In the PHP implementation, for example, when using Textile's all-caps abbreviation ...
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Setext
Setext (Structure Enhanced Text) is a lightweight markup language used to format plain text documents such as e-newsletters, Usenet postings, and e-mails. In contrast to some other markup languages (such as HTML), the markup is easily readable without any parsing or special software. Setext was first introduced in 1991 by Ian Feldman for use in the '' TidBITS'' electronic newsletter. Purpose Setext allows viewing of marked-up documents without special viewing software. When appropriate software ''is'' used, however, a rich text-style experience is available to the user. Smaller documents are trivial to create in any text editor. To prevent errors, most large ''setext'' publications are created using a markup language such as HTML or SGML and then converted. The ''setext'' document can then be distributed without the need for the recipient to use a HTML email or web viewer. Multiple ''setext'' documents in the same file Multiple ''setext'' documents can be stored in the sa ...
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Usenet
Usenet (), a portmanteau of User's Network, is a worldwide distributed discussion system available on computers. It was developed from the general-purpose UUCP, Unix-to-Unix Copy (UUCP) dial-up network architecture. Tom Truscott and Jim Ellis (computing), Jim Ellis conceived the idea in 1979, and it was established in 1980.''From Usenet to CoWebs: interacting with social information spaces'', Christopher Lueg, Danyel Fisher, Springer (2003), , Users read and post messages (called ''articles'' or ''posts'', and collectively termed ''news'') to one or more topic categories, known as Usenet newsgroup, newsgroups. Usenet resembles a bulletin board system (BBS) in many respects and is the precursor to the Internet forums that have become widely used. Discussions are Threaded discussion, threaded, as with web forums and BBSes, though posts are stored on the server sequentially.
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Email
Electronic mail (usually shortened to email; alternatively hyphenated e-mail) is a method of transmitting and receiving Digital media, digital messages using electronics, electronic devices over a computer network. It was conceived in the late–20th century as the digital version of, or counterpart to, mail (hence ''wikt:e-#Etymology 2, e- + mail''). Email is a ubiquitous and very widely used communication medium; in current use, an email address is often treated as a basic and necessary part of many processes in business, commerce, government, education, entertainment, and other spheres of daily life in most countries. Email operates across computer networks, primarily the Internet access, Internet, and also local area networks. Today's email systems are based on a store-and-forward model. Email Server (computing), servers accept, forward, deliver, and store messages. Neither the users nor their computers are required to be online simultaneously; they need to connect, ty ...
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