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Diffstat (limited to 'Doc/ref/ref2.tex')
| -rw-r--r-- | Doc/ref/ref2.tex | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/Doc/ref/ref2.tex b/Doc/ref/ref2.tex index 34e8a9e..2ed8a5d 100644 --- a/Doc/ref/ref2.tex +++ b/Doc/ref/ref2.tex @@ -308,22 +308,28 @@ identifiers. They must be spelled exactly as written here:% \index{reserved word} \begin{verbatim} -and del for is raise -assert elif from lambda return -break else global not try -class except if or while -continue exec import pass yield -def finally in print +and del from not while +as elif global or with +assert else if pass yield +break except import print +class exec in raise +continue finally is return +def for lambda try \end{verbatim} % When adding keywords, use reswords.py for reformatting -Note that although the identifier \code{as} can be used as part of the -syntax of \keyword{import} statements, it is not currently a reserved -word. +\versionchanged[\constant{None} became a constant and is now +recognized by the compiler as a name for the built-in object +\constant{None}. Although it is not a keyword, you cannot assign +a different object to it]{2.4} -In some future version of Python, the identifiers \code{as} and -\code{None} will both become keywords. +\versionchanged[Both \keyword{as} and \keyword{with} are only recognized +when the \code{with_statement} future feature has been enabled. +It will always be enabled in Python 2.6. See section~\ref{with} for +details. Note that using \keyword{as} and \keyword{with} as identifiers +will always issue a warning, even when the \code{with_statement} future +directive is not in effect]{2.5} \subsection{Reserved classes of identifiers\label{id-classes}} @@ -652,7 +658,7 @@ Some examples of floating point literals: \end{verbatim} Note that numeric literals do not include a sign; a phrase like -\code{-1} is actually an expression composed of the operator +\code{-1} is actually an expression composed of the unary operator \code{-} and the literal \code{1}. |