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-rw-r--r--Doc/using/cmdline.rst6
1 files changed, 4 insertions, 2 deletions
diff --git a/Doc/using/cmdline.rst b/Doc/using/cmdline.rst
index 8864b79..dbe6c47 100644
--- a/Doc/using/cmdline.rst
+++ b/Doc/using/cmdline.rst
@@ -380,7 +380,10 @@ Options you shouldn't use
Environment variables
---------------------
-These environment variables influence Python's behavior.
+These environment variables influence Python's behavior, they are processed
+before the command-line switches other than -E. It is customary that
+command-line switches override environmental variables where there is a
+conflict.
.. envvar:: PYTHONHOME
@@ -577,4 +580,3 @@ if Python was configured with the ``--with-pydebug`` build option.
If set, Python will print memory allocation statistics every time a new
object arena is created, and on shutdown.
-