Emerging enlightenment-1.0.0 I got an error which made me think about installing app-text/docbook-xml-dtd-4.3 first. After that it worked. Reproducible: Always Steps to Reproduce: 1. emerge -C =docbook-xml-dtd-4.3 2. emerge =enlightenment-1.0.0 Actual Results: [...] validity error : Could not load the external subset "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" Document /var/tmp/portage/x11-wm/enlightenment-1.0.0/work/e16-1.0.0/docs/README.xml does not validate make[2]: *** [README.html] Error 3 [...] Expected Results: Enlightenment DR16 1.0.0 installed.
or we simply disable xmlto support http://sources.gentoo.org/x11-wm/enlightenment/enlightenment-1.0.0.ebuild?r1=1.1&r2=1.2