Need to check wheter upstream Cygwin patch for help2man really works unmodified in Prefix/Cygwin. https://gitweb.gentoo.org/repo/proj/prefix.git/commit/?id=79164e6b043c257a530c6b9e3da553f3fc4ba679
Who has access to Cygwin these days? Is there anyone working on it?
Noone can test this.