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Does this have a particular use case
If a moderator wants to ensure a particular answer always remains deleted (even in the event the question is undeleted), they would undelete the answer, then immediately delete it again. A mod-deleted answer cannot be undeleted by regular users.
A moderator might also do this on request see How can I delete an answer ...
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The way you mitigate link rot is to excerpt the important and relevant parts of what you’re linking to in your post, not by trying to prevent posts from being deleted. If you don’t excerpt the important parts, you would also have to lock the question to ensure it didn’t change and become irrelevant.
A post should stand on its own.
One user linking to a post ...
7
I also think that the current rule is not ideal and I have a simple suggestion that, in my opinion, will avoid all problems:
Allow users to edit and undelete self-deleted questions in one action.
This can be communicated in one of two ways (or both combined):
Change the text of the Save edits button to Save edits and undelete. And/or...
When the user ...
2
There's another legitimate use case for this functionality.
Occasionally, a question with high-quality, useful answers needs to be deleted for moderation reasons (e.g. it was posted by a sockpuppet of a banned or suspended user, or some other rare cases like a particular extremely negatively-received feedback post here from 1.5 years ago). This feature can ...
answered Jul 19 at 18:38
Sonic the Anonymous Hedgehog
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