Code review comment for lp:~inkscape+alexander/inkscape/clones

> Ok, so with the small change I did to the codebase, here's what I think should
> be done:
>
> -> add a "bool skip_undo" flag to ::setMask(), ::unsetMask(), and ::unlink()
> similar to what's done in other methods in the file. (Also add it to your
> recursive method).
>
> -> make a ObjectSet with no SPDesktop (just the SPDocument) containing the
> selection, so that it does not flash recursively.
>
> -> make all the calls with the skip_undo flag on your ObjectSet.

I tried to merge your changes with my branch, failed and restarted from scratch.
I added an unlinkRecursive method to ObjectSet, added the bool skip_undo where I needed it and force-pushed the code to the old location (lp:~inkscape+alexander/inkscape/clones).