python
diff --git a/‎Doc/library/stdtypes.rst
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+12Lines changed: 12 additions & 0 deletions b/‎Doc/library/stdtypes.rst
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+12Lines changed: 12 additions & 0 deletions
@@ -2269,6 +2269,18 @@ expression support in the :mod:`re` module).
       >>> '   1   2   3   '.split()
       ['1', '2', '3']
 
+   If *sep* is not specified or is ``None`` and  *maxsplit* is ``0``, only
+   leading runs of consecutive whitespace are considered.
+
+   For example::
+
+      >>> "".split(None, 0)
+      []
+      >>> "   ".split(None, 0)
+      []
+      >>> "   foo   ".split(maxsplit=0)
+      ['foo   ']
+
 
 .. index::
    single: universal newlines; str.splitlines method