- Open a page on a single-edit-tab wiki, e.g. https://ca.wikipedia.org/wiki/Al%C3%A8xia_Putellas_i_Segura
- Click on a section [edit] link
- Observe the address bar URL as updated to action=edit
- Press browser back.
Observed
- The editor closed but the URL is still action=edit
Expected
- The editor closed and the URL is back to the original reading URL