Issue #3067: Enhance the documentation and docstring of locale.setlocale()
diff --git a/Lib/locale.py b/Lib/locale.py
index ae667a8..561e9e4 100644
--- a/Lib/locale.py
+++ b/Lib/locale.py
@@ -524,9 +524,10 @@
def setlocale(category, locale=None):
""" Set the locale for the given category. The locale can be
- a string, a locale tuple (language code, encoding), or None.
+ a string, an iterable of two strings (language code and encoding),
+ or None.
- Locale tuples are converted to strings the locale aliasing
+ Iterables are converted to strings using the locale aliasing
engine. Locale strings are passed directly to the C lib.
category may be given as one of the LC_* values.