https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=8b4ea0f6d2bed140116f69855d1d3100ea0cf020 Please revert immediately.
Please write on the chalkboard 100 times: "I will not add ebuilds as maintainer-needed". WTF?
This is in fact a newer version of liblinebreak (under a new name). liblinebreak is m-n. This new version improves the functionality of fbreader (the new revision -r4 depends on libunibreak). Removing libunibreak would require also removing the improved fbreader-0.99.4-r4.