LaTeX - Wikipedia
https://en.wikipedia.org/wiki/LaTeX
WEBLaTeX (/ ˈ l ɑː t ɛ k / LAH-tek or / ˈ l eɪ t ɛ k / LAY-tek, often stylized as L a T e X) is a software system for typesetting documents. LaTeX markup describes the content and layout of the document, as opposed to the formatted text found in WYSIWYG word processors like Microsoft Word, LibreOffice Writer and Apple Pages.
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