# The StackOverflow answer also demonstrates a simpler solution
(using the
# new `&:` operator instead of `:`), available since the release of GNU
# make 4.3 in January 2020. Alas, at the time of this writing
(February
# 2022) this version is still too new to be universally available.
https://gitlab.com/lilypond/lilypond/-/blob/d4efa89f2600a71bc68a48ea84fd4f04eaa14734/Documentation/tex/GNUmakefile?plain=1#L31-L34
https://www.gnu.org/software/make/manual/html_node/Multiple-Targets.html
How will we know when it is reasonable to use `&:`?
--
Dan
