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-rw-r--r--Doc/using/cmdline.rst11
1 files changed, 11 insertions, 0 deletions
diff --git a/Doc/using/cmdline.rst b/Doc/using/cmdline.rst
index 0978770e1a..e0f3a3ac45 100644
--- a/Doc/using/cmdline.rst
+++ b/Doc/using/cmdline.rst
@@ -1,5 +1,8 @@
.. highlightlang:: none
+.. ATTENTION: You probably should update Misc/python.man, too, if you modify
+.. this file.
+
.. _using-on-general:
Command line and environment
@@ -306,6 +309,8 @@ Miscellaneous options
:pep:`230` -- Warning framework
+ :envvar:`PYTHONWARNINGS`
+
.. cmdoption:: -x
@@ -469,6 +474,12 @@ These environment variables influence Python's behavior.
value instead of the value got through the C runtime. Only works on
Mac OS X.
+.. envvar:: PYTHONWARNINGS
+
+ This is the equivalent to the :option:`-W` option. If set to a comma
+ separated string, it is equivalent to specifying :option:`-W` multiple
+ times.
+
Debug-mode variables
~~~~~~~~~~~~~~~~~~~~