Matt Armstrong <matt@rfc20.org> writes:

> X-Debbugs-CC: Stefan Monnier <monnier@iro.umontreal.ca>
>
> The following test passes on mainline but doesn't on feature/noverlay.
> On the noverlay branch `get-pos-property' returns nil.
>
> (ert-deftest test-get-pos-property-overlay-beg ()
>   "Test `get-pos-property' at the beginning of an overlay."
>   (with-temp-buffer
>     (insert (make-string 10 ?x))
>     (let ((overlay (make-overlay 5 7)))
>       (overlay-put overlay 'forty-two 42))
>     (should (equal 42 (get-pos-property 5 'forty-two)))))

Tests and a fix.  Also up on the scratch/matta/for_stefan branch of
https://git.sr.ht/~matta/emacs