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�ZG dd� de�ZG dd� de�ZdS )a� Manipulation of upstream change log files.
The upstream change log files format handled is simpler than the one
often used such as those generated by the default Emacs changelog mode.
Sample ChangeLog format::
Change log for project Yoo
==========================
--
* add a new functionality
2002-02-01 -- 0.1.1
* fix bug #435454
* fix bug #434356
2002-01-01 -- 0.1
* initial release
There is 3 entries in this change log, one for each released version and one
for the next version (i.e. the current entry).
Each entry contains a set of messages corresponding to changes done in this
release.
All the non empty lines before the first entry are considered as the change
log title.
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