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+title:      Release Notes for v2.2.0

+prev_title: Change Log

+prev_url:   change_log.html

+next_title: Release Notes for v2.1.1

+next_url:   release-2.1.1.html

+

+Python-Markdown 2.2.0 Release Notes

+===================================

+

+We are pleased to release Python-Markdown 2.2 which makes improvements on 2.1. 

+While 2.1 is primarily a bug fix release, some internal improvements were made 

+to the parser, and a few security issues were resolved.

+

+Python-Markdown supports Python versions 2.5, 2.6, 2.7, 3.1, and 3.2 out 

+of the box. 

+

+__Note__ that this is BETA Software and is not recommended for production.

+

+Backwards-incompatible Changes

+------------------------------

+

+While Python-Markdown has received only minor internal changes since the last

+release, there are a few backward-incompatible changes to note:

+

+* Support had been dropped for Python 2.4. No guarantees are made that the 

+library will work in any version of Python lower than 2.5. Additionally, while 

+the library had been tested with Python 2.5, consider Python 2.5 support to be 

+depreciated. It is not likely that any future versions will continue to support

+any version of Python less than 2.6.

+

+* For many years Python-Markdown has identified `<ins>` and `<del>` tags in 

+raw HTML input as block level tags. As they are actually inline level tags,

+this behavior has been changed. This may result in slightly different output.

+While in most cases, the new output is more correct, there may be a few edge

+cases where a document author has relied on the previous incorrect behavior.

+It is likely that a few adjustments may need to be made to those documents.

+

+* The behavior of the `enable_attributes` keyword has been slightly altered.

+If authors have been using attributes in documents with `safe_mode` on, those 

+attributes will no longer be parsed unless `enable_attributes` is explicitly

+set to `True`. This change was made to prevent untrusted authors from injecting

+potentially harmful JavaScript in documents. This change had no effect when 

+not in `safe_mode`.

+

+What's New in Python-Markdown 2.1

+---------------------------------

+

+The docs were refactored and can now be found at 

+<http://packages.python.org/Markdown/>. The docs are now maintained in the

+Repo and are generated by the `setup.py build_docs` command.

+

+The [Sane_Lists](http://packages.python.org/Markdown/extensions/sane_lists.html)

+extension was added. The Sane Lists Extension alters the behavior of the 

+Markdown List syntax to be less surprising by not allowing the mixing of list

+types. In other words, an ordered list will not continue when an unordered list

+item is encountered and vice versa.

+

+Markdown now excepts a full path to an extension module. In other words, your

+extensions no longer need to be in the primary namespace (and start with `mdx_`)

+for Markdown to find them. Just do `Markdown(extension=['path.to.some.module'])`.

+As long as the provided module contains a compatible extension, the extension

+will be loaded.

+

+The BlockParser API was slightly altered to allow `blockprocessor.run` to return

+`True` or `False` which provides more control to the block proccessor loop from 

+within any Blockprocessor instance.

+

+Various bug fixes have been made. See the 

+[commit log](https://github.com/waylan/Python-Markdown/commits/master) 

+for a complete history of the changes.