=== Behavior
1. Visit https://patchdemo.wmflabs.org/wikis/65ba8c5ba1bd0a7be13e324ce9c522d1/w/index.php/Talk:Main_Page
2. Type a comment in the Reply Tool (shouldn't matter what mode)
3. Click `Advanced` to expose the `Comment summary` field
4. Modify the contents of the `Comment summary` field
5. Click `Advanced` to hide the `Comment summary` field
6. Reload the page [after bypassing the browser's warning]
7. Notice the Reply Tool opens with the comment you drafted in Step 2 and the Reply summary field is NOT exposed
8. Click `Advanced` to expose the Reply summary field
**Actual**
9. ❗️Notice the `Reply summary` you drafted in "Step 4" has NOT been retained; instead, the default copy – `/* Heading name */ Reply` – appears
**Expected**
9. ✅ Notice the `Reply summary` you drafted in "Step 4" has been retained
=== Done
- [ ] "Expected" behavior is implemented