==============
The ReST markups currently used by the Documentation/ files are meant to be
-built with ``Sphinx`` version 1.3 or upper. If you're desiring to build
-PDF outputs, it is recommended to use version 1.4.6 or upper.
+built with ``Sphinx`` version 1.3 or higher. If you desire to build
+PDF output, it is recommended to use version 1.4.6 or higher.
There's a script that checks for the Sphinx requirements. Please see
:ref:`sphinx-pre-install` for further details.
and it is not uncommon that upgrading it or some other Python packages
on your machine would cause the documentation build to break.
-A way to get rid of that is to use a different version than the one shipped
-on your distributions. In order to do that, it is recommended to install
+A way to avoid that is to use a different version than the one shipped
+with your distributions. In order to do so, it is recommended to install
Sphinx inside a virtual environment, using ``virtualenv-3``
or ``virtualenv``, depending on how your distribution packaged Python 3.
.. note::
#) Sphinx versions below 1.5 don't work properly with Python's
- docutils version 0.13.1 or upper. So, if you're willing to use
+ docutils version 0.13.1 or higher. So, if you're willing to use
those versions, you should run ``pip install 'docutils==0.12'``.
#) It is recommended to use the RTD theme for html output. Depending
PDF and LaTeX builds
--------------------
-Such builds are currently supported only with Sphinx versions 1.4 and upper.
+Such builds are currently supported only with Sphinx versions 1.4 and higher.
For PDF and LaTeX output, you'll also need ``XeLaTeX`` version 3.14159265.