Comment 1 for bug 988164

Known regression due to fixing other long-standing issue with linked offsets with the merge in r10109 fixing
- Bug #167419 square/circle/polygon/spiral and linked offset misbehaviours
- Bug #184341 Linked offsets ignore clone movement preferences
- Bug #239430 linked offset ungroup issue

See also the related discussion on the mailing list inkscape-devel:
 <http://thread.gmane.org/gmane.comp.graphics.inkscape.devel/37132>
which refers to
 Bug #817907 “Linked offsets produce Geom::Affine error messages”
 <https://bugs.launchpad.net/inkscape/+bug/817907>

Currently, the issue is tracked in bug #817907 (despite the misleading bug summary).