diff options
Diffstat (limited to 'Doc/howto/unicode.rst')
| -rw-r--r-- | Doc/howto/unicode.rst | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/Doc/howto/unicode.rst b/Doc/howto/unicode.rst index 3d8bc06..25c53e3 100644 --- a/Doc/howto/unicode.rst +++ b/Doc/howto/unicode.rst @@ -4,10 +4,12 @@ Unicode HOWTO ***************** -:Release: 1.1 +:Release: 1.11 -This HOWTO discusses Python's support for Unicode, and explains various problems -that people commonly encounter when trying to work with Unicode. +This HOWTO discusses Python 2.x's support for Unicode, and explains +various problems that people commonly encounter when trying to work +with Unicode. (This HOWTO has not yet been updated to cover the 3.x +versions of Python.) Introduction to Unicode @@ -146,8 +148,9 @@ problems. 4. Many Internet standards are defined in terms of textual data, and can't handle content with embedded zero bytes. -Generally people don't use this encoding, instead choosing other encodings that -are more efficient and convenient. +Generally people don't use this encoding, instead choosing other +encodings that are more efficient and convenient. UTF-8 is probably +the most commonly supported encoding; it will be discussed below. Encodings don't have to handle every possible Unicode character, and most encodings don't. The rules for converting a Unicode string into the ASCII @@ -223,8 +226,8 @@ Wikipedia entries are often helpful; see the entries for "character encoding" <http://en.wikipedia.org/wiki/UTF-8>, for example. -Python's Unicode Support -======================== +Python 2.x's Unicode Support +============================ Now that you've learned the rudiments of Unicode, we can look at Python's Unicode features. @@ -266,8 +269,8 @@ Unicode result). The following examples show the differences:: >>> b'\x80abc'.decode("utf-8", "ignore") 'abc' -Encodings are specified as strings containing the encoding's name. Python comes -with roughly 100 different encodings; see the Python Library Reference at +Encodings are specified as strings containing the encoding's name. Python 3.2 +comes with roughly 100 different encodings; see the Python Library Reference at :ref:`standard-encodings` for a list. Some encodings have multiple names; for example, 'latin-1', 'iso_8859_1' and '8859' are all synonyms for the same encoding. @@ -626,7 +629,10 @@ Version 1.02: posted August 16 2005. Corrects factual errors. Version 1.1: Feb-Nov 2008. Updates the document with respect to Python 3 changes. +Version 1.11: posted June 20 2010. Notes that Python 3.x is not covered, +and that the HOWTO only covers 2.x. +.. comment Describe Python 3.x support (new section? new document?) .. comment Additional topic: building Python w/ UCS2 or UCS4 support .. comment Describe use of codecs.StreamRecoder and StreamReaderWriter |