Issue #13883: Document all platforms PYTHONCASEOK works on.
diff --git a/Doc/using/cmdline.rst b/Doc/using/cmdline.rst
index 9274d8e..c386fb4 100644
--- a/Doc/using/cmdline.rst
+++ b/Doc/using/cmdline.rst
@@ -448,7 +448,7 @@
.. envvar:: PYTHONCASEOK
If this is set, Python ignores case in :keyword:`import` statements. This
- only works on Windows.
+ only works on Windows, OS X, and OS/2.
.. envvar:: PYTHONDONTWRITEBYTECODE
diff --git a/Misc/NEWS b/Misc/NEWS
index 5e2c47e..ba60758 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -432,6 +432,8 @@
Documentation
-------------
+- Issue #13883: PYTHONCASEOK also used on OS X and OS/2.
+
- Issue #12949: Document the kwonlyargcount argument for the PyCode_New
C API function.