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whatsnew: bytes/bytearray.join args, PYTHONPATH= is same as not set.

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R David Murray 2014-02-10 19:12:52 -05:00
parent 6cf5c96630
commit 96eeddba05
1 changed files with 17 additions and 0 deletions
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Doc/whatsnew/3.4.rst
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@ -364,6 +364,9 @@ Some smaller changes made to the core Python language are:
Contributed by Victor Stinner, Kang-Hao (Kenny) Lu and Serhiy Storchaka in
:issue:`12892`.
* :class:`bytes`.join() and :class:`bytearray`.join() now accept arbitrary
buffer objects as arguments. (Contributed by Antoine Pitrou in
:issue:`15958`.)
New Modules
@ -1609,6 +1612,20 @@ Porting to Python 3.4
This section lists previously described changes and other bugfixes
that may require changes to your code.
Changes in 'python' command behavior
------------------------------------
* In a posix shell, setting an environment variable to an empty value is
generally equivalent to not setting it at all. In particular, this is true
for the :envvar:`PATH` environment variable. However, setting
:envvar:`PYTHONPATH` to an empty value was *not* equivalent to not setting it
at all: setting :envvar:`PYTHONPATH` to an empty value was equivalent to
setting it to ``.``, which leads to confusion when reasoning by analogy to
how :envvar:`PATH` works. The behavior now conforms to the normal posix
convention.
Changes in the Python API
-------------------------