Hello Mark,

Mark Thomas <mthomas@cmu.edu> writes:

> The change to the "am__pep3147_tweak" variable included in
> <http://git.savannah.gnu.org/cgit/automake.git/commit/?id=006c4dfede96091f5bed622c17946cbec067347f>
> causes the generated Makefile files not to work on systems (such as
> macOS) where "sed" interprets "\n" in the substitution text as the
> letter "n" instead of as a newline.

Interesting. :-)

It seems that using a space instead of a newline work as well.