Add 'setup.py docs' alias.

Installs 'Sphinx' and dependencies.

1 files changed, 1 insertions, 0 deletions

diff --git a/setup.py b/setup.py
index 3557650..78143f3 100644
--- a/setup.py
+++ b/setup.py
@@ -58,6 +58,7 @@ setup(name='repoze.lru',
       """,
       extras_require = {
         'testing':  testing_extras,
+        'docs':  ['Sphinx',],
       }
 )