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The Stdlib documentation

The Stdlib documentation includes

  • A Reference Manual
  • A document presenting the standard library

The documentation of the latest released version is available on the Coq web site at coq.inria.fr/documentation.

Additionally, you can view the reference manual for the development version at https://coq.github.io/doc/master/refman/, and the documentation of the standard library for the development version at https://coq.github.io/doc/master/stdlib/.

The reference manual is written is reStructuredText and compiled using Sphinx. See sphinx/README.rst to learn more about the format that is used.

The documentation for the standard library is generated from the .v source files using coqdoc.

Dependencies

HTML documentation

To produce the complete documentation in HTML, you will need Coq dependencies listed in INSTALL.md. Additionally, the Sphinx-based reference manual requires Python 3, and the following Python packages:

  • sphinx >= 4.5.0
  • sphinx_rtd_theme >= 1.0.0
  • beautifulsoup4 >= 4.8.2
  • antlr4-python3-runtime >= 4.7.1 & <= 4.9.3
  • pexpect >= 4.6.0
  • sphinxcontrib-bibtex >= 0.4.2

To install them, you should first install pip and setuptools (for instance, with apt install python3-pip python3-setuptools on Debian / Ubuntu) then run:

pip3 install sphinx sphinx_rtd_theme beautifulsoup4 \
             antlr4-python3-runtime==4.7.1 pexpect sphinxcontrib-bibtex

Nix users should get the correct development environment to build the HTML documentation from Coq's default.nix (note this doesn't include the LaTeX packages needed to build the full documentation).

You can check the dependencies using the doc/tools/coqrst/checkdeps.py script.

Other formats

To produce the documentation in PDF and PostScript formats, the following additional tools are required:

  • latex (latex2e)
  • pdflatex
  • dvips
  • makeindex
  • xelatex
  • latexmk

All of them are part of the TexLive distribution. E.g. on Debian / Ubuntu, install them with:

apt install texlive-full

Or if you want to use less disk space:

apt install texlive-latex-extra texlive-fonts-recommended texlive-xetex \
            latexmk fonts-freefont-otf

Setting the locale for Python

Make sure that the locale is configured on your platform so that Python encodes printed messages with utf-8 rather than generating runtime exceptions for non-ascii characters. The .UTF-8 in export LANG=C.UTF-8 sets UTF-8 encoding. The C can be replaced with any supported language code. You can set the default for a Docker build with ENV LANG C.UTF-8. (Python may look at other environment variables to determine the locale; see the Python documentation).

Compilation

The current documentation targets are:

  • make refman-html Build the reference manual in HTML form into _build/default/doc/refman-html

  • make stdlib-html Build the standard library documentation into _build/default/doc/stdlib/html

To build the Sphinx documentation without stopping at the first warning, change the value of the SPHINXWARNOPT variable (default is -W). The following will build the Sphinx documentation without stopping at the first warning, and store all the warnings in the file /tmp/warn.log:

SPHINXWARNOPT="-w/tmp/warn.log" make refman-html

Note that inspecting local copies of the docs may behave in unexpected ways if opening the sources with a browser (eg with firefox _build/default/doc/refman-html/index.html). In order to avoid this, either inspect the version generated by the CI or run a local server, for example with:

cd _build/default/doc/refman-html/ && python3 -m http.server