SVG, immediately followed by text. The SVG should cling to the text, but doesn’t.
Example failure at jdawiseman.com/papers/bugs/20220115_svg_nbsp_github_markdown.md
The bug can be seen in the wild at github.com/jdaw1/placemat/blob/main/README.md
(I’m a new user, so am limited about what I can do here. If a less-new user is willing to convert the file to a within-thread example, that would be welcomed.)