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.. _buildingrst:
Writing VPP Documentation
=========================
These instructions show how the VPP documentation sources are built.
The VPP Documents are written using `reStructuredText <http://www.sphinx-doc.org/en/master/usage/restructuredtext/index.html>`_ (rst),
or markdown (md). These files are then built using the Sphinx build system `Sphinx <http://www.sphinx-doc.org/en/master/>`_.
Building the docs
-----------------
Start with a clone of the vpp repository.
.. code-block:: console
$ git clone https://gerrit.fd.io/r/vpp
$ cd vpp
Build the html **index.html** file:
.. code-block:: console
$ make docs
Delete all the generated files with the following:
.. code-block:: console
$ make docs-clean
View the results
----------------
If there are no errors during the build process, you should now have an ``index.html`` file in your ``vpp/docs/_build/html`` directory, which you can then view in your browser.
Whenever you make changes to your ``.rst`` files that you want to see, repeat this build process.
Writing Docs and merging
------------------------
Documentation should be added as ``.rst`` file in the ``./src/`` tree next to the code it refers to. A symlink should be added at the relevant place in the ``./docs`` folder and a link in the appropriate place in the tree.
To ensure documentation is correctly inserted, you can run
.. code-block:: console
$ ./extras/scripts/check_documentation.sh
VPP documents are reviewed and merged like and other source code. Refer to :ref:`gitreview`
to get your changes reviewed and merged.
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