bug#71595: error message improvement: "only absolute run-paths are allowed"

    attached patch with a rework of the wording for the second case.

Looks perfect to me.

    Here is the relevant commit for why the spacing was added:
    ...
    https://github.com/gnulib-modules/bootstrap/issues/33

I can see the point, and no improvement is apparent. It still seems an
unfortunate outcome, but certainly not worth any of us spending more
time on it :).

Thanks Ileana! So glad you've started looking after libtool. --best, karl.