view i18n/polib.LICENSE @ 35671:8810f0643fa1

changelog: introduce a 'tiprev' method

Accessing tiprev is a common need through the code base. It is usually done
using "len(changelog) -1". That form is tedious and error-prone. For example,
it will give wrong results on filtered changelog (if the unfiltered tip is
filtered).

As a result, we introduce a simple 'tiprev()' method to provide this exact
information in a nice way.

copyright (c) 2006-2010 David JEAN LOUIS

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