TeX Live: Generic additional packages

 Extra packages that work with multiple formats, typically both TeX and
 LaTeX.
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 This package includes the following CTAN packages:
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 abbr -- Simple macros supporting abreviations for Plain and LaTeX.
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 abstyles -- Adaptable BibTeX styles.
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 barr -- Diagram macros by Michael Barr
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 bitelist -- Split list, in TeX's mouth.
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 borceux -- Diagram macros by Francois Borceux.
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 c-pascal -- Typeset Python, C and Pascal programs.
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 catcodes -- Generic handling of TeX category codes
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 chronosys -- Drawing time-line diagrams.
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 colorsep -- Color separation.
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 dinat -- Bibliography style for German texts.
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 dirtree -- Display trees in the style of windows explorer.
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 docbytex -- Creating documentation from source code
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 dowith -- Apply a command to a list of items
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 eijkhout -- Victor Eijkhout's packages.
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 encxvlna -- Insert nonbreakable spaces, using encTeX.
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 epigram -- Display short quotations.
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 fenixpar -- One-shot changes to token registers such as \everypar.
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 fltpoint -- Simple floating point arithmetic.
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 fntproof -- A programmable font test pattern generator.
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 gates -- Support for writing modular and customisable code.
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 gobble -- More gobble macros for PlainTeX and LaTeX
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 gtl -- Manipulating generalized token lists
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 ifetex -- Provides \ifetex switch.
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 iftex -- Am I running under pdfTeX, XeTeX or LuaTeX?
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 insbox -- Insert pictures/boxes into paragraphs.
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 lambda-lists -- Lists in TeX's mouth.
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 langcode -- Simple language-dependent settings based on language codes.
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 lecturer -- On-screen presentations for (almost) all formats.
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 librarian -- Tools to create bibliographies in TeX.
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 mathdots -- Commands to produce dots in math that respect font size.
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 metatex -- Incorporate Metafont pictures in TeX source.
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 midnight -- A set of useful macro tools.
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 navigator -- PDF features across formats and engines.
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 ofs -- Macros for managing large font collections.
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 pdf-trans -- A set of macros for various transformations of TeX boxes.
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 plainpkg -- A minimal method for making generic packages.
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 schemata -- Print topical diagrams
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 shade -- Shade pieces of text.
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 systeme -- Format systems of equations.
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 tabto-generic -- "Tab" to a measured position in the line.
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 termmenu -- The package provides support for terminal-based menus using
 expl3
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 tracklang -- Language and dialect tracker.
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 texapi -- Macros to write format-independent packages.
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 upca -- Print UPC-A barcodes.
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 xlop -- Calculates and displays arithmetic operations.
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 yax -- Yet Another Key System.