Created attachment 406820 [details] build log listing file collisions dev-texlive/texlive-bibtexextra-2014 not merging due to file collisions with at least dev-texlive/texlive-publishers-2012. Please see attached build.log.
Created attachment 406822 [details] emerge info
+ 16 Jul 2015; Alexis Ballier <aballier@gentoo.org> + texlive-bibtexextra-2014.ebuild, texlive-bibtexextra-2015.ebuild: + block old tl-publishers, bug #554922 by Israel G. Lugo + thanks!