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Libxml2
libxml2 is a software library for parsing XML documents. It is also the basis for the libxslt library which processes XSLT-1.0 stylesheets. Description Written in the C programming language, libxml2 provides bindings to C++, Ch, XSH, C#, Python, Swift, Kylix/Delphi and other Pascals, Ruby, Perl, Common Lisp, and PHP. It was originally developed for the GNOME project, but can be used outside it. libxml2's code is highly portable since it only depends on standard ANSI C libraries and it is available under the MIT license. It includes the command-line utility xmllint and an 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 ( ... parser. See also * libxslt (the LibXML2's XSLT module) * XML validation * Comparison of HTML parsers * Expat (library) * Saxon X ...
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Libxslt
libxslt is the XSLT C library developed for the GNOME project. It provides an implementation of XSLT 1.0, plus most of the EXSLT set of processor-portable extensions functions and some of Saxon's evaluate and expressions extensions. libxslt is based on libxml2, which it uses for XML parsing, tree manipulation and XPath support. It is free software released under the MIT License and can be reused in commercial applications. libxslt can be used either as library embedded into an application, or via thxsltproccommand line tool. The integration into applications is eased by a multitude o Being written in C, libxslt is a fast and low-resource processor. This makes it a popular choice for DocBook formatting and as standard XSLT processor for programming languages like PHP, Perl or Python. The WebKit layout engine (used e.g. in the Apple Safari web browser) uses the libxslt library to do XSL transformations. See also * libxml2 * Saxon XSLT (competitor) * Xalan Xalan is a popular ...
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XSLT
XSLT (Extensible Stylesheet Language Transformations) is a language originally designed for transforming XML documents into other XML documents, or other formats such as HTML for web pages, plain text, or XSL Formatting Objects. These formats can be subsequently converted to formats such as PDF, PostScript, and PNG. Support for JSON and plain-text transformation was added in later updates to the XSLT 1.0 specification. XSLT 3.0 implementations support Java, .NET, C/C++, Python, PHP and NodeJS. An XSLT 3.0 JavaScript library can also be hosted within the web browser. Modern web browsers also include native support for XSLT 1.0. The XSLT document transformation specifies how to transform an XML document into new document (usually XML, but other formats, such as plain text are supported). Typically, input documents are XML files, but anything from which the processor can build an XQuery and XPath Data Model can be used, such as relational database tables or geographical inform ...
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Saxon XSLT
Saxon is an XSLT and XQuery processor created by Michael Kay and now developed and maintained by the company he founded, Saxonica. There are open-source and also closed-source commercial versions. Versions exist for Java, JavaScript and .NET. The current version, as of September 2024, is 12.5. Versions The original development line of Saxon ended with the version 6 series. This is a series of XSLT 1.0 processors. The current version, 6.5.5, is not undergoing further development aside from maintenance. The 6 series is only available for the Java programming language. The current development line, Saxon 12, implements the XSLT 3.0 and XQuery 3.1 specifications. Saxon 12 can process XSLT 1.0 and XSLT 2.0 stylesheets. (XSLT 2.0 and 3.0 are highly backwards compatible with XSLT 1.0.) and also includes selective support for the proposed XSLT 4.0 specification. There are two separate source bases: the Java source, and the JavaScript source. The Java source is used to generate produ ...
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XML Validation
XML validation is the process of checking a document written in XML (eXtensible Markup Language) to confirm that it is both well-formed and also "valid" in that it follows a defined structure. A well-formed document follows the basic syntactic rules of XML, which are the same for all XML documents. A valid document also respects the rules dictated by a particular DTD or XML schema. Automated tools – validators – can perform well-formedness tests and many other validation tests, but not those that require human judgement, such as correct application of a schema to a data set. Standards * OASIS CAM is a standard specification that provides contextual validation of content and structure that is more flexible than basic schema validations. * Schematron, a method for advanced XML validation. Tools * '' xmllint'' is a command line XML tool that can perform XML validation. It can be found in UNIX / Linux Linux ( ) is a family of open source Unix-like operating systems ...
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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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GNOME Project
GNOME Project is a community behind the GNOME desktop environment and the software platform upon which it is based. It consists of all the software developers, artists, writers, translators, other contributors, and active users of GNOME. The GNOME Foundation used to recognize GNOME as part of GNU; however, in 2021, the staff of the Foundation declared that GNOME is not a GNU Project. GNOME Foundation In August 2000, the GNOME Foundation was set up to deal with administrative tasks and press interest, and to act as a contact point for companies interested in developing GNOME software. While not directly involved in technical decisions, the Foundation does coordinate releases and decide which projects will be part of GNOME. Membership is open to anyone who has made a non-trivial contribution to the project. Members of the Foundation elect a board of directors every November, and candidates for the positions must be members themselves. Programs and events The GNOME Project holds s ...
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ANSI C
ANSI C, ISO C, and Standard C are successive standards for the C programming language published by the American National Standards Institute (ANSI) and ISO/IEC JTC 1/SC 22/WG 14 of the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC). Historically, the names referred specifically to the original and best-supported version of the standard (known as C89 or C90). Software developers writing in C are encouraged to conform to the standards, as doing so helps portability between compilers. History and outlook The first standard for C was published by ANSI. Although this document was subsequently adopted by ISO/IEC and subsequent revisions published by ISO/IEC have been adopted by ANSI, "ANSI C" is still used to refer to the standard. While some software developers use the term ISO C, others are standards-body neutral and use Standard C. Informal specification: K&R C (''C78'') Informal specification in 1978 (Brian Kernig ...
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MIT License
The MIT License is a permissive software license originating at the Massachusetts Institute of Technology (MIT) in the late 1980s. As a permissive license, it puts very few restrictions on reuse and therefore has high license compatibility. Unlike copyleft software licenses, the MIT License also permits reuse within proprietary software, provided that all copies of the software or its substantial portions include a copy of the terms of the MIT License and also a copyright notice. In 2015, the MIT License was the most popular software license on GitHub, and was still the most popular in 2025. Notable projects that use the MIT License include the X Window System, Ruby on Rails, Node.js, Lua (programming language), Lua, jQuery, .NET, Angular (web framework), Angular, and React (JavaScript library), React. License terms The MIT License has the identifier MIT in the SPDX License List. It is also known as the "#Ambiguity and variants, Expat License". It has the following terms: Co ...
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Command-line Utility
A console application or command-line program is a computer program (applications or utilities) designed to be used via a text-only user interface. A console application can be used with a computer terminal, a system console, or a terminal emulator included with a graphical user interface (GUI) operating system, such as the Windows Console in Microsoft Windows, the Terminal in macOS, and xterm in the X Window System on Unix-like systems. Console applications can be run from a command-line shell. Overview A user typically interacts with a console application using only a keyboard and display screen, as opposed to GUI applications, which normally require the use of a mouse or other pointing device. Many console applications such as command line interpreters are command line tools, but numerous text-based user interface (TUI) programs also exist. As the speed and ease-of-use of GUIs applications have improved over time, the use of console applications has greatly dimini ...
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The GNOME Project
GNOME Project is a community behind the GNOME desktop environment and the software platform upon which it is based. It consists of all the software developers, artists, writers, translators, other contributors, and active users of GNOME. The GNOME Foundation used to recognize GNOME as part of GNU; however, in 2021, the staff of the Foundation declared that GNOME is not a GNU Project. GNOME Foundation In August 2000, the GNOME Foundation was set up to deal with administrative tasks and press interest, and to act as a contact point for companies interested in developing GNOME software. While not directly involved in technical decisions, the Foundation does coordinate releases and decide which projects will be part of GNOME. Membership is open to anyone who has made a non-trivial contribution to the project. Members of the Foundation elect a board of directors every November, and candidates for the positions must be members themselves. Programs and events The GNOME Project holds ...
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Comparison Of HTML Parsers
HTML parsers are software for automated Hypertext Markup Language (HTML) parsing. They have two main purposes: * HTML traversal: offer an interface for programmers to easily access and modify the "HTML string code". Canonical example: DOM parsers. * HTML clean: to fix invalid HTML and to improve the layout and indent style of the resulting markup. Canonical example: HTML Tidy. : * Latest release (of significant changes) date. : ** ''sanitize'' (generating standard-compatible web-page, reduce spam, etc.) and ''clean'' (strip out surplus presentational tags, remove XSS code, etc.) HTML code. : *** Updates HTML4.X to XHTML or to HTML5, converting deprecated tags (ex. CENTER) to valid ones (ex. DIV with style="text-align:center;"). References {{Reflist HTML parsers HTML parsers 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 assiste ...
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Expat (library)
Expat is a stream-oriented XML 1.0 parser library, written in C, more precisely C99. As one of the first available open-source XML parsers, Expat has found a place in many open-source projects. Such projects include the Apache HTTP Server, Mozilla, Perl, Python and PHP. It is also bound in many other languages. Naming According to the original creator, the name Expat came from the fact that he was an expat at the time. The "ex" and the "pa" are for XML and parsing. Timeline Software developer James Clark released version 1.0 in 1998 while serving as technical lead on the XML Working Group at the World Wide Web Consortium. Clark released two more versions, 1.1 and 1.2, before turning the project over to a group led by Clark Cooper and Fred Drake in 2000. The new group released version 1.95.0 in September 2000 and continues to release new versions to incorporate bug fixes and enhancements. Versions up to 2.5.0 have a Score 7.5 (High) DoS vulnerability CVE-2023-52425. ...
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