mirror of https://github.com/python/cpython
Correct a few typos.
This commit is contained in:
Georg Brandl
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@ -3,50 +3,48 @@
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****************************
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:Author: A.M. Kuchling, Guido van Rossum
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:Release: 0.1
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.. |release| replace:: 0.0
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.. % $Id: whatsnew26.tex 55506 2007-05-22 07:43:29Z neal.norwitz $
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.. % Rules for maintenance:
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.. %
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.. % * Anyone can add text to this document. Do not spend very much time
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.. % on the wording of your changes, because your text will probably
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.. % get rewritten to some degree.
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.. %
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.. % * The maintainer will go through Misc/NEWS periodically and add
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.. % changes; it's therefore more important to add your changes to
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.. % Misc/NEWS than to this file.
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.. %
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.. % * This is not a complete list of every single change; completeness
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.. % is the purpose of Misc/NEWS. Some changes I consider too small
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.. % or esoteric to include. If such a change is added to the text,
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.. % I'll just remove it. (This is another reason you shouldn't spend
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.. % too much time on writing your addition.)
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.. %
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.. % * If you want to draw your new text to the attention of the
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.. % maintainer, add 'XXX' to the beginning of the paragraph or
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.. % section.
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.. %
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.. % * It's OK to just add a fragmentary note about a change. For
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.. % example: "XXX Describe the transmogrify() function added to the
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.. % socket module." The maintainer will research the change and
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.. % write the necessary text.
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.. %
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.. % * You can comment out your additions if you like, but it's not
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.. % necessary (especially when a final release is some months away).
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.. %
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.. % * Credit the author of a patch or bugfix. Just the name is
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.. % sufficient; the e-mail address isn't necessary.
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.. %
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.. % * It's helpful to add the bug/patch number as a comment:
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.. %
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.. % % Patch 12345
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.. % XXX Describe the transmogrify() function added to the socket
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.. % module.
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.. % (Contributed by P.Y. Developer.)
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.. %
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.. % This saves the maintainer the effort of going through the SVN log
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.. % when researching a change.
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.. Rules for maintenance:
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* Anyone can add text to this document. Do not spend very much time
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on the wording of your changes, because your text will probably
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get rewritten to some degree.
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* The maintainer will go through Misc/NEWS periodically and add
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changes; it's therefore more important to add your changes to
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Misc/NEWS than to this file.
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* This is not a complete list of every single change; completeness
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is the purpose of Misc/NEWS. Some changes I consider too small
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or esoteric to include. If such a change is added to the text,
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I'll just remove it. (This is another reason you shouldn't spend
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too much time on writing your addition.)
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* If you want to draw your new text to the attention of the
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maintainer, add 'XXX' to the beginning of the paragraph or
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section.
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* It's OK to just add a fragmentary note about a change. For
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example: "XXX Describe the transmogrify() function added to the
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socket module." The maintainer will research the change and
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write the necessary text.
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* You can comment out your additions if you like, but it's not
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necessary (especially when a final release is some months away).
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* Credit the author of a patch or bugfix. Just the name is
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sufficient; the e-mail address isn't necessary.
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* It's helpful to add the bug/patch number as a comment:
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% Patch 12345
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XXX Describe the transmogrify() function added to the socket
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module.
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(Contributed by P.Y. Developer.)
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This saves the maintainer the effort of going through the SVN log
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when researching a change.
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This article explains the new features in Python 3.0, comparing to 2.6
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(or in some cases 2.5, since 2.6 isn't released yet).
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@ -59,15 +57,15 @@ full details, you should refer to the documentation for Python 3.0. If
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you want to understand the complete implementation and design
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rationale, refer to the PEP for a particular new feature.
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.. % Compare with previous release in 2 - 3 sentences here.
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.. % add hyperlink when the documentation becomes available online.
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.. Compare with previous release in 2 - 3 sentences here.
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.. add hyperlink when the documentation becomes available online.
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.. % ======================================================================
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.. % Large, PEP-level features and changes should be described here.
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.. % Should there be a new section here for 3k migration?
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.. % Or perhaps a more general section describing module changes/deprecation?
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.. % sets module deprecated
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.. % ======================================================================
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.. ======================================================================
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.. Large, PEP-level features and changes should be described here.
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.. Should there be a new section here for 3k migration?
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.. Or perhaps a more general section describing module changes/deprecation?
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.. sets module deprecated
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.. ======================================================================
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Common Stumbling Blocks
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@ -128,7 +126,7 @@ changes to rarely used features.)
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Strings and Bytes
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=================
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* There is only on string type; its name is ``str`` but its behavior
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* There is only one string type; its name is ``str`` but its behavior
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and implementation are more like ``unicode`` in 2.x.
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* PEP 358: There is a new type, ``bytes``, to represent binary data
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@ -177,12 +175,12 @@ Exception Stuff
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===============
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* PEP 352: Exceptions must derive from BaseException. This is the
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root of the exception hierarchy; only Exception,
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root of the exception hierarchy.
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* StandardException was removed (already in 2.6).
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* Dropping sequence behavior and ``.message`` attribute of exception
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instances.
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* Dropping sequence behavior (slicing!) and ``.message`` attribute of
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exception instances.
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* PEP 3109: Raising exceptions. You must now use ``raise
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Exception(args)`` instead of ``raise Exception, args``.
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@ -232,13 +230,13 @@ language and built-in functions.
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* ``__getslice__()`` and friends killed. The syntax ``a[i:j]`` now
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translates to ``a.__getitem__(slice(i, j))`` (or ``__setitem__``
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or ``__delitem``, depending on context).
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or ``__delitem__``, depending on context).
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* PEP 3102: Keyword-only arguments. Named parameters occurring after
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``*args`` in the parameter list *must* be specified using keyword
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syntax in the call. You can also use ``*`` in the parameter list to
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indicate that you don't accept a variable-length argument list, but
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you do have keyword-only arguments.
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syntax in the call. You can also use a bare ``*`` in the parameter
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list to indicate that you don't accept a variable-length argument
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list, but you do have keyword-only arguments.
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* PEP 3104: ``nonlocal`` statement. Using ``nonlocal x`` you can now
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assign directly to a variable in an outer (but non-global) scope.
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@ -259,16 +257,17 @@ language and built-in functions.
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``def foo(a, (b, c)): ...``. Use ``def foo(a, b_c): b, c = b_c``
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instead.
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* PEP 3114: ``.next()`` renamed to ``.__next__()``.
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* PEP 3114: ``.next()`` renamed to ``.__next__()``, new builtin
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``next()`` to call the ``__next__()`` method on an object.
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* PEP 3127: New octal literals; binary literals and ``bin()``.
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Instead of ``0666``, you write ``0o666``. The oct() function is
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modified accordingly. Also, ``0b1010`` equals 10, and ``bin(10)``
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returns ``"0b1010"``.
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returns ``"0b1010"``. ``0666`` is now a ``SyntaxError``.
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* PEP 3132: Extended Iterable Unpacking. You can now write things
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like ``a, b, *rest = some_sequence``. And even ``*rest, a =
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stuff``. The ``rest`` variable is always a list; the right-hand
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stuff``. The ``rest`` object is always a list; the right-hand
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side may be any iterable.
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* PEP 3135: New ``super()``. You can now invoke ``super()`` without
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@ -281,15 +280,15 @@ language and built-in functions.
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``.uppercase``) are gone. Use ``string.ascii_letters``
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etc. instead.
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* Removed: apply(), callable(), coerce(), execfile(), file(),
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reduce(), reload().
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* Removed: ``apply()``, ``callable()``, ``coerce()``, ``execfile()``,
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``file()``, ``reduce()``, ``reload()``.
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* Removed: ``dict.has_key()``.
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* ``exec`` is now a function.
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.. % ======================================================================
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.. ======================================================================
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Optimizations
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@ -301,7 +300,7 @@ The net result of the 3.0 generalizations is that Python 3.0 runs the
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pystone benchmark around 25% slower than Python 2.5. There's room for
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improvement!
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.. % ======================================================================
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.. ======================================================================
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New, Improved, and Deprecated Modules
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@ -316,10 +315,10 @@ through the CVS logs for all the details.
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* The ``cPickle`` module is gone. Use ``pickle`` instead. Eventually
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we'll have a transparent accelerator module.
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.. % ======================================================================
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.. % whole new modules get described in \subsections here
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.. ======================================================================
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.. whole new modules get described in subsections here
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.. % ======================================================================
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.. ======================================================================
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Build and C API Changes
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@ -331,9 +330,9 @@ Changes to Python's build process and to the C API include:
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* PEP 3121: Extension Module Initialization & Finalization.
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* PEP 3123: Making PyObject_HEAD conform to standard C.
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* PEP 3123: Making ``PyObject_HEAD`` conform to standard C.
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.. % ======================================================================
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.. ======================================================================
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Port-Specific Changes
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@ -341,7 +340,7 @@ Port-Specific Changes
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Platform-specific changes go here.
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.. % ======================================================================
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.. ======================================================================
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.. _section-other:
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@ -358,7 +357,7 @@ Some of the more notable changes are:
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* Details go here.
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.. % ======================================================================
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.. ======================================================================
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Porting to Python 3.0
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@ -369,7 +368,7 @@ changes to your code:
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* Everything is all in the details!
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.. % ======================================================================
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.. ======================================================================
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.. _acks:
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@ -379,5 +378,5 @@ Acknowledgements
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The author would like to thank the following people for offering
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suggestions, corrections and assistance with various drafts of this
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article: .
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article: Georg Brandl.
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