allow all env variables during installation of dependencies

1 files changed, 10 insertions, 8 deletions

diff --git a/doc/config.txt b/doc/config.txt
index 5a335f9..c392289 100644
--- a/doc/config.txt
+++ b/doc/config.txt
@@ -195,14 +195,16 @@ Complete list of settings that you can put into ``testenv*`` sections:
 
    A list of wildcard environment variable names which
    shall be copied from the tox invocation environment to the test
-   environment.  If a specified environment variable doesn't exist in the tox
-   invocation environment it is ignored.  You can use ``*`` and ``?`` to
-   match multiple environment variables with one name.
-
-   Note that the ``PATH`` and ``PIP_INDEX_URL`` variables are unconditionally
-   passed down and on Windows ``SYSTEMROOT``, ``PATHEXT``, ``TEMP`` and ``TMP``
-   will be passed down as well whereas on unix ``TMPDIR`` will be passed down.
-   You can override these variables with the ``setenv`` option.
+   environment when executing test commands.  If a specified environment
+   variable doesn't exist in the tox invocation environment it is ignored.
+   You can use ``*`` and ``?`` to match multiple environment variables with
+   one name.
+
+   Note that the ``PATH``, ``LANG`` and ``PIP_INDEX_URL`` variables are
+   unconditionally passed down and on Windows ``SYSTEMROOT``, ``PATHEXT``,
+   ``TEMP`` and ``TMP`` will be passed down as well whereas on unix
+   ``TMPDIR`` will be passed down.  You can override these variables
+   with the ``setenv`` option.
 
 .. confval:: recreate=True|False(default)