Apparently a new release of bikeshed is now unhappy with the use of <img/> and <img></img> is required:
$ bikeshed spec "latest/index.bs" "latest/index.out.html"
LINE 651:1: Tag <img> wasn't closed at end of file.
✘ Did not generate, due to fatal errors
Failed
Apparently a new release of bikeshed is now unhappy with the use of
<img/>
and<img></img>
is required: