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Clarify that len() of a Unicode string returns the number of storage units,

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not abstract characters.
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Fred Drake 2002-09-24 13:57:21 +00:00
parent 24e53b6d91
commit 7b788e0582
1 changed files with 4 additions and 0 deletions
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4
Doc/lib/libfuncs.tex
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@ -568,6 +568,10 @@ def my_import(name):
\begin{funcdesc}{len}{s}
Return the length (the number of items) of an object. The argument
may be a sequence (string, tuple or list) or a mapping (dictionary).
In the case of Unicode strings, \function{len()} returns the number
of storage units, not abstract characters. In particular, when a
surrogate pair is encountered, each component of the pair is counted
as a separate character.
\end{funcdesc}
\begin{funcdesc}{list}{\optional{sequence}}