[commit: ghc] master: users-guide: Add index entry for "environment file" (eac6967)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/eac69673d76f6147fa3a8f4c25112947a4a7aa14/ghc

>---------------------------------------------------------------

commit eac69673d76f6147fa3a8f4c25112947a4a7aa14
Author: Ben Gamari <ben at smart-cactus.org>
Date:   Sun May 1 13:21:55 2016 +0200

    users-guide: Add index entry for "environment file"


>---------------------------------------------------------------

eac69673d76f6147fa3a8f4c25112947a4a7aa14
 docs/users_guide/packages.rst | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/users_guide/packages.rst b/docs/users_guide/packages.rst
index c9e2ea4..77f23c5 100644
--- a/docs/users_guide/packages.rst
+++ b/docs/users_guide/packages.rst
@@ -1279,6 +1279,7 @@ Package environments
 
 .. index::
    single: package environments
+   single: environment file
 
 A *package environment file* is a file that tells ``ghc`` precisely which
 packages should be visible. It can be used to create environments for ``ghc``