When voting to close, the duplicate header does not show up in the preview:
Steps to reproduce:
- Find a closed (as duplicate) question (f.e. this one)
- Find another question
- Vote to close as duplicate
- Place the link into the search box
- See the result
Why is this a problem you ask? First, it's confusing when the title and then lower bar say it's duplicate but the header is missing. Second, I can't follow the duplicate-chain to the canonical question from within the close-dialog.
No questions were closed in the making of this question.