Steps to Reproduce
- Open https://www.mediawiki.org/w/index.php?title=Guide_to_Phlogiston_Reports&action=edit
- Press the down arrow button several times until the cursor moves out of the first paragraph and toward the Table of Contents template placeholder
- Cursor jumps to very bottom of page, scrolling the window.
- Cursor moves to line of templace placeholder, either before or after.