#8399: add note about Windows and O_BINARY.

4a589c3e · Georg Brandl · b6c1aeb4 · 4a589c3e
Commit 4a589c3e authored Apr 14, 2010 by Georg Brandl
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Doc/library/os.rst Doc/library/os.rst +2 -1

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--- a/Doc/library/os.rst
+++ b/Doc/library/os.rst
@@ -662,7 +662,8 @@ as internal buffering of data.

   For a description of the flag and mode values, see the C run-time documentation;
   flag constants (like :const:`O_RDONLY` and :const:`O_WRONLY`) are defined in
-   this module too (see :ref:`open-constants`).
+   this module too (see :ref:`open-constants`).  In particular, on Windows adding
+   :const:`O_BINARY` is needed to open files in binary mode.

   .. note::