[Python-checkins] peps: PEP 394: Change verb tense & cover 2.7 maintenance extension

[nick.coghlan]

https://hg.python.org/peps/rev/0418f146b50f
changeset:   5565:0418f146b50f
user:        Nick Coghlan <ncoghlan at gmail.com>
date:        Tue Sep 30 21:20:14 2014 +1000
summary:
  PEP 394: Change verb tense & cover 2.7 maintenance extension

files:
  pep-0394.txt |  30 +++++++++++++++---------------
  1 files changed, 15 insertions(+), 15 deletions(-)


diff --git a/pep-0394.txt b/pep-0394.txt
--- a/pep-0394.txt
+++ b/pep-0394.txt
@@ -76,12 +76,12 @@
 
 This recommendation is needed as, even though the majority of distributions
 still alias the ``python`` command to Python 2, some now alias it to
-Python 3 ([5]_). As some of the former distributions do not yet provide a
-``python2`` command by default, there is currently no way for Python 2 code
+Python 3 ([5]_). As some of the former distributions did not provide a
+``python2`` command by default, there was previously no way for Python 2 code
 (or any code that invokes the Python 2 interpreter directly rather than via
 ``sys.executable``) to reliably run on all Unix-like systems without
-modification, as the ``python`` command will invoke the wrong interpreter
-version on some systems, and the ``python2`` command will fail completely
+modification, as the ``python`` command would invoke the wrong interpreter
+version on some systems, and the ``python2`` command would fail completely
 on others. The recommendations in this PEP provide a very simple mechanism
 to restore cross-platform support, with minimal additional work required
 on the part of distribution maintainers.
@@ -98,7 +98,7 @@
 This recommendation will be periodically reviewed over the next few years,
 and updated when the core development team judges it appropriate. As a 
 point of reference, regular maintenance releases for the Python 2.7 series
-will continue until at least 2015.
+will continue until at least 2020.
 
 
 Migration Notes
@@ -119,8 +119,9 @@
   yet familiar with the backwards incompatible changes in Python 3. For
   example, while the change of ``print`` from a statement to a builtin
   function is relatively simple for automated converters to handle, the
-  SyntaxError from attempting to use the Python 2 notation in Python 3 is
-  thoroughly confusing if you aren't already aware of the change::
+  SyntaxError from attempting to use the Python 2 notation in versions of
+  Python 3 prior to 3.4.2 is thoroughly confusing if you aren't already
+  aware of the change::
 
       $ python3 -c 'print "Hello, world!"'
         File "<string>", line 1
@@ -128,6 +129,8 @@
                               ^
       SyntaxError: invalid syntax
 
+  (In Python 3.4.2+, that generic error message has been replaced with the
+  more explicit "SyntaxError: Missing parentheses in call to 'print'")
 * Avoiding breakage of such third party scripts is the key reason this
   PEP recommends that ``python`` continue to refer to ``python2`` for the
   time being. Until the conventions described in this PEP are more widely
@@ -169,9 +172,6 @@
   ``python`` command is only executed in an interactive manner as a user
   convenience, or to run scripts that are source compatible with both Python
   2 and Python 3.
-* one symbolic date being considered for a possible change to the official
-  recommendation in this PEP is the planned switch of Python 2.7 from full
-  maintenance to security update only status in 2015 (see PEP 373).
 
 
 Backwards Compatibility
@@ -190,7 +190,7 @@
 ================================================
 
 While technically a new feature, the ``make install`` and ``make bininstall``
-command in the 2.7 version of CPython will be adjusted to create the
+command in the 2.7 version of CPython were adjusted to create the
 following chains of symbolic links in the relevant ``bin`` directory (the
 final item listed in the chain is the actual installed binary, preceding
 items are relative symbolic links)::
@@ -198,9 +198,9 @@
     python -> python2 -> python2.7
     python-config -> python2-config -> python2.7-config
 
-Similar adjustments will be made to the Mac OS X binary installer.
+Similar adjustments were made to the Mac OS X binary installer.
 
-This feature will first appear in the default installation process in
+This feature first appeared in the default installation process in
 CPython 2.7.3.
 
 The installation commands in the CPython 3.x series already create the
@@ -211,7 +211,7 @@
     pydoc3 -> pydoc3.2
     python3-config -> python3.2-config
 
-And CPython 3.3 will create::
+And CPython 3.3 creates::
 
     python3 -> python3.3
     idle3 -> idle3.3
@@ -219,7 +219,7 @@
     python3-config -> python3.3-config
     pysetup3 -> pysetup3.3
 
-The implementation progress of these features in the default installers is
+The implementation progress of these features in the default installers was
 managed on the tracker as issue #12627 ([3]_).
 
 

-- 
Repository URL: https://hg.python.org/peps