bug#36516: Wrong dynamic abbrev expansion after space

[Noam Postavsky]

Juri Linkov <juri@linkov.net> writes:
>
>  Out of curiosity, I checked now
> the test directory, and here it is: test/lisp/dabbrev-tests.el -
> the already existing test with exactly the same recipe as in my report.
> But for some reason this test doesn't fail.

Having 2 spaces between the tokens and expanding from the middle line
make the difference (not sure why exactly).