Comment 3 for bug 1279534

With preferences set to 'preserved' transforms, based on tests with archived builds on OS X 10.7.5:
- not reproduced with rev <= 12552
- reproduced with rev >= 12555
this regression likely is related to the merge of the GSoC 2013 unit improvement branch in
<http://bazaar.launchpad.net/~inkscape.dev/inkscape/trunk/revision/12554>