I haven't checked the code who renders this part, but I'd believe this is only a visual bug, aside from maybe creating rickroll/phishing links. For what I could skim from the visual representation, ...

If there is text that looks like this: Hello `foo bar` baz. Highlighting it will copy it like this, replacing the backticks with spaces: Hello foo bar baz.

Despite the best efforts of modern medicine, Huntington’s disease is a condition that still comes with a tragic prognosis. Primarily an inherited disease, its main symptoms concern degeneration of the ...