New version out, ebuild has just to be version bumped, but a new patch is necessary (which I attach) Reproducible: Always Steps to Reproduce: 1. 2. 3.
Created attachment 19176 [details, diff] meld-0.9.0-gentoo.diff
i've redone the patch to remove some old crusty stuff and changed the doc dirs. meld 0.9.0 should now be in portage. thanks for your report.