- Go to any wiki that uses MediaWiki.
- Make sure you have the permission to protect pages (protect).
- Go to any page that has at least one page transcluded.
- Protect the page on sysop or autoconfirmed level with the "cascading" option turned on.
- Go to the transcluded page.
You will see "view source" instead of "edit" (in all skins).
You will see "edit". (This should apply to all users who have permission to edit the page).