Ytree 1.93 released on August 2, 2009. It apparently fixes Gentoo bug #306307. It's the only change in this version. Reproducible: Always
Created attachment 220865 [details, diff] Diff between ytree-1.92-r2.ebuild and proposed ytree-1.93.ebuild
Ytree 1.94 released. It incorporates files/ytree-1.92-gentoo.patch.
Bumped in CVS, the patch is not needed anymore, upstream fixed that issue.