man: expand on the star…end/repetition time expressions
authorLennart Poettering <lennart@poettering.net>
Thu, 30 Apr 2020 11:42:59 +0000 (13:42 +0200)
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Sat, 30 May 2020 18:15:47 +0000 (20:15 +0200)
commit7c6ea7a0534cf2f5148d0890019e1b9d66be158a
tree8eec0c6110d7a41c63c05c3da138c6b6c73e6c85
parente06b9407928cd6ab8a5058765fa3e29bb8fb12d7
man: expand on the star…end/repetition time expressions

And attempt to explain what is requested in #15030, but still be
concise.

Fixes: #15030
(cherry picked from commit 2edc7aea7a95dc0dc0fb3e9ef5ffbe413a477593)
man/systemd.time.xml