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Andrew M. Kuchling 2002-09-13 22:21:42 +00:00
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Doc/whatsnew/whatsnew23.tex
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@ -679,6 +679,14 @@ command line or use \function{warnings.filterwarnings()}.
\exception{SyntaxWarning} warning. In a future version of Python, \exception{SyntaxWarning} warning. In a future version of Python,
\code{None} may finally become a keyword. \code{None} may finally become a keyword.
\item Python runs multithreaded programs by switching between threads
after executing N bytecodes. The default value for N has been
increased from 10 to 100 bytecodes, speeding up single-threaded
applications by reducing the switching overhead. Some multithreaded
applications may suffer slower response time, but that's easily fixed
by setting the limit back to a lower number by calling
\function{sys.setcheckinterval(\var{N})}.
\item One minor but far-reaching change is that the names of extension \item One minor but far-reaching change is that the names of extension
types defined by the modules included with Python now contain the types defined by the modules included with Python now contain the
module and a \samp{.} in front of the type name. For example, in module and a \samp{.} in front of the type name. For example, in
@ -961,6 +969,9 @@ patch had undergone a lengthy review. After it was checked in, Guido
van~Rossum rewrote parts of it. This is a good example of the free van~Rossum rewrote parts of it. This is a good example of the free
software development process in action. software development process in action.
\item The value of the C \cfunction{PYTHON_API_VERSION} macro is now exposed
at the Python level as \constant{sys.api_version}.
\item The new \module{textwrap} module contains functions for wrapping \item The new \module{textwrap} module contains functions for wrapping
strings containing paragraphs of text. The \function{wrap(\var{text}, strings containing paragraphs of text. The \function{wrap(\var{text},
\var{width})} function takes a string and returns a list containing \var{width})} function takes a string and returns a list containing