# Notes about Debian packaging of Pandoc
## Packages needed for optional features
Some uses of Pandoc require additional packages:
* SVG content in PDF output requires librsvg2-bin.
* YAML metadata in TeX-related output requires texlive-latex-extra.
* *.hs filters not set executable requires ghc.
* *.js filters not set executable requires nodejs.
* *.php filters not set executable requires php.
* *.pl filters not set executable requires perl.
* *.py filters not set executable requires python.
* *.rb filters not set executable requires ruby.
* *.r filters not set executable requires r-base-core.
* LaTeX output, and PDF output via PDFLaTeX,
require texlive-latex-recommended.
* XeLaTeX output, and PDF output via XeLaTeX, require texlive-xetex.
* LuaTeX output, and PDF output via LuaTeX, require texlive-luatex.
* ConTeXt output, and PDF output via ConTeXt, require context.
* PDF output via wkhtmltopdf requires wkhtmltopdf.
* Roff man and roff ms output, and PDF output via roff ms,
require groff.
* MathJax-rendered equations require libjs-mathjax.
* KaTeX-rendered equations require node-katex.
* option --csl may use styles in citation-style-language-styles.
## Standalone output not always fully standalone
Some output formats depend on external material,
e.g. Javascript code for rendering mathematical equations.
Pandoc commonly links to such external material hosted on a public CDN.
Due to concerns for potential breach of privacy,
Debian-packaged Pandoc instead links to locally packaged material.
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