I am willing to maintain the lua52 port
Hello! Here you find what you need to know to adopt your port: https://www.freebsd.org/doc/en_US.ISO8859-1/articles/contributing/ports-contributing.html And this is very useful too: https://www.freebsd.org/doc/en_US.ISO8859-1/books/porters-handbook/
See Also bug 229779 for adding lang/lua54, in particular bug 229779 comment 7 adding USES=lua CC current maintainer of lang/lua53
A commit references this bug: Author: joneum Date: Wed Oct 17 09:39:43 UTC 2018 New revision: 482290 URL: https://svnweb.freebsd.org/changeset/ports/482290 Log: Pass maintainership to submitter PR: 232320 Submitted by: John Von Essen <john@essenz.com> Sponsored by: Netzkommune GmbH Changes: head/lang/lua52/Makefile
Landed. Thanks :-)