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'LyX (styled as ') is a document processor following the self-coined what you see is what you mean paradigm, as opposed to the WYSIWYG (what you see is what you get) ideas used by word processors. This means that the user only has to care about the structure of and information within the text, while the formatting is done by LaTeX, an advanced typesetting system. LyX is designed for authors who want professional output with a minimum of effort and without becoming specialists in typesetting. The job of typesetting is done mostly by the computer, following a predefined set of rules called a style, not by the author. Specific knowledge of the LaTeX document processing system is not necessary but may improve editing with LyX significantly for specialist purposes. Since LyX largely functions as a front-end to the LaTeX typesetting system, it can handle documents ranging from books, notes, and theses, to articles in refereed journals, letters, and anything else LaTeX can handle. LyX also supports right-to-left languages like Arabic, Persian, and Hebrew, and it has substantial support for bidirectional writing. LyX also supports Chinese, Japanese, and Korean languages. As of LyX 2.0 there is also basic support of XeTeX and LuaTeX that aims at supporting a broad range of scripts via direct Unicode support. Although LyX is popular among technical authors and scientists for its advanced mathematical modes, it is increasingly used by social scientists and humanists for its bibliographic database integration and ability to manage multiple files. LyX has also become popular among self-publishers. The LyX document processor is available for various operating systems, including Windows, Mac OS X, Linux, UNIX, OS/2 and Haiku. LyX can be redistributed and modified under the terms of the GNU General Public License and is thus Free Software.


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The LyX Team