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Yesterday I answered this question Finding best path given a distance transform and after a while it was deleted by its own author.

Can a moderator undelete a question deleted by its author? It seems to me it happened in the past (see I get page not found "voluntarily removed by its author" after I wrote an answer).

Furthermore I would like to know whether the question was deleted directly by its author or the question was deleted following a "close procedure".

Please apologize if I did not read with attention the FAQ about deleted question but I am quite unhappy after spending time and effort in answering that question and seeing it now deleted.

share|improve this question
It is deleted by the user, not by a mod or by close voters – rene Jan 20 '14 at 19:32
Looking at the page that shows up when trying to view the question and it says was removed by the author. Not sure why a mod would go about un-deleting a question that was removed by the author unless there was evidence that the author deleted it for malicious reasons. – Joe W Jan 20 '14 at 19:33
Can you or should you? – Affable Geek Jan 20 '14 at 19:34
@JoeW But if the answer has value shouldn't it be undeleted? – user000001 Jan 20 '14 at 19:35
@user000001 If the author deleted the question because it was bad/questionable and a mod comes back and un-deletes it because it had an answer then the author will most likely end up receiving downvotes for the question. Which will just make the un-deletion a punishment for the author and potentially bring back bad content to the site. Deletion of questions/answers are not always a bad thing. – Joe W Jan 20 '14 at 19:39
There could be a couple of reasons why an OP deletes his question. Maybe to prevent detection by school/university/co-workers, maybe because the OP wasn't sure the question was of high enough quality. Maybe the OP doesn't realize yet that (s)he wasted your time. These things can happen here. – rene Jan 20 '14 at 19:51
To strictly answer your question here, by the way; Yes. Moderators can undelete such posts. – Andrew Barber Jan 20 '14 at 19:55
as can three non-diamond users :-) – Kate Gregory Jan 20 '14 at 20:04
related see the question part of the answer. – rene Jan 20 '14 at 20:11
A mod would have to have a pretty good reason to undelete a question the user deleted. They've usually deleted it for a good reason (at least according to them). Writing an answer that may eventually get deleted is a risk you take every time you answer. – Aaron Bertrand Jan 20 '14 at 20:21
@AlienArrays I think it is only impossible to delete once an answer has a positive score. – Aaron Bertrand Jan 20 '14 at 20:57
@JoeW I disagree. Many times users, especially new, go and delete the question after they got what they wanted. While not malicious, they just have no idea Stack Overflow is not their personal support forum and any useful content posted should stick around. Moderators can, and should, undelete useful questions, and so 10K users as was the case in that specific question. – Shadow Wizard Jan 20 '14 at 22:03
@ShadowWizard I think that would just go back to moderator discretion about what to do. – Joe W Jan 20 '14 at 22:50

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