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authorVictor Stinner <victor.stinner@gmail.com>2012-06-05 23:37:37 (GMT)
committerVictor Stinner <victor.stinner@gmail.com>2012-06-05 23:37:37 (GMT)
commita01f1adb87c71d9fbd07334f00bd94e106b9ad43 (patch)
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parent187aa545165d8d5eac222ecce29c8a77e0282dd4 (diff)
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Close #6203: Document that Python 3 sets LC_CTYPE at startup to the user's preferred locale encoding
Diffstat (limited to 'Doc/library')
-rw-r--r--Doc/library/locale.rst7
1 files changed, 5 insertions, 2 deletions
diff --git a/Doc/library/locale.rst b/Doc/library/locale.rst
index 45aba0a..d46f1cf 100644
--- a/Doc/library/locale.rst
+++ b/Doc/library/locale.rst
@@ -475,8 +475,11 @@ in such a way that frequent locale changes may cause core dumps. This makes the
locale somewhat painful to use correctly.
Initially, when a program is started, the locale is the ``C`` locale, no matter
-what the user's preferred locale is. The program must explicitly say that it
-wants the user's preferred locale settings by calling ``setlocale(LC_ALL, '')``.
+what the user's preferred locale is. There is one exception: the
+:data:`LC_CTYPE` category is changed at startup to set the current locale
+encoding to the user's preferred locale encoding. The program must explicitly
+say that it wants the user's preferred locale settings for other categories by
+calling ``setlocale(LC_ALL, '')``.
It is generally a bad idea to call :func:`setlocale` in some library routine,
since as a side effect it affects the entire program. Saving and restoring it