sphinx.rst: explain the usage of virtual environment
authorMauro Carvalho Chehab <mchehab@s-opensource.com>
Fri, 14 Jul 2017 16:41:18 +0000 (13:41 -0300)
committerJonathan Corbet <corbet@lwn.net>
Mon, 17 Jul 2017 19:18:24 +0000 (13:18 -0600)
commit58ef4a42dd42580945985c533d4d5c3d6628ef92
tree24f1959ad170f01c1ae8b46e35a1f95b14409fbc
parentb8b07b5c8dfc1fdf2f93d7419e0cac1034abc937
sphinx.rst: explain the usage of virtual environment

As the Sphinx build seems very fragile, specially for
PDF output, add a notice about how to use it on a virtual
environment.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Documentation/doc-guide/sphinx.rst