1. Visit Restore toggle-files-button #4559 (review)
2. Click line 16
3. Nothing happens

Annoyingly enough it shows a pointer cursor but does nothing. New feature under "GitHub Shortcomings"

Notes:

• The number is injected via :before on a <td> element so wrapping that with a <a> might not be straightforward. Please look at how GitHub handles these numbers elsewhere.
• This must be accomplished via <a>, not a click handler