Steps to reproduce
- Open https://discourse-mediawiki.wmflabs.org/ (Wikimedia Developer Support Forum)
- Click on "Log in" button. ( If you've never visited there, click "Sign up" button instead)
- Anything you do in step two will take you to https://meta.wikimedia.org/ for authorization.
- Click "allow" button on the dialog that appears
- If the authorization succeed you'll be taken back to https://discourse-mediawiki.wmflabs.org/ as a logged-in user.
- Now click "back" button on your browser.
- This will return us back to the OAuth authorization dialog.
- And also attempt to reuse the request token we have already utilized (by logging in step 3).
- Click "allow" button on the dialog we return to.
- Observe the malformed error message as shown above.
- Write code and fix it.... to render properly??