https://devmanual.gentoo.org/ebuild-writing/file-format/index.html states that the two-line-header "must be an exact copy of the contents of header.txt in the top directory of the Gentoo repository". However, the quoted text shows "Copyright 1999-2018 Gentoo Foundation" while https://gitweb.gentoo.org/repo/gentoo.git/tree/header.txt has been changed to "Copyright 1999-2018 Gentoo Authors". Reproducible: Always Steps to Reproduce: 1. Compare developer manual article with Git repository content (see URLs in description field). 2. Observe content discrepancy. Actual Results: Contents don't match. Expected Results: Contents should match.
This problem has been fixed: https://gitweb.gentoo.org/proj/devmanual.git/commit/ebuild-writing/file-format/text.xml?id=2432185b684481ca275e7b5373e03363a1fdca5c