as in summary simple copy of ebuild to newer version is sufficient for installation and running.
commit e77f88c5803cbd0f347340b90ea5c6fcaf3ab0f1 (HEAD -> master, origin/master, origin/HEAD) Author: Patrice Clement <monsieurp@gentoo.org> AuthorDate: Sat Sep 16 22:38:08 2017 +0200 Commit: Patrice Clement <monsieurp@gentoo.org> CommitDate: Sat Sep 16 22:38:21 2017 +0200 app-doc/zeal: version bump. Gentoo-Bug: https://bugs.gentoo.org/631040 Package-Manager: Portage-2.3.6, Repoman-2.3.1 app-doc/zeal/Manifest | 1 + app-doc/zeal/zeal-0.4.0.ebuild | 53 ++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 54 insertions(+) create mode 100644 app-doc/zeal/zeal-0.4.0.ebuild