When one downvotes a question, he usually does so because it is low quality, but still considerable for the site (when it's not considerable, downvote should be avoided and question closed). It would be nice to have an option to get notified when such a question is edited; it likely means that it was improved and the downvoter might consider to revert his downvote.

The design could be something like this:

enter image description here

Where the N symbol would "lighten up in orange" like the arrows or the star do. (I'm not a designer and a letter is probably not a good option, but graphical design is not the matter now I hope.) The notification would be switched off automatically when the downvote is reverted (and the N button would disappear), and could be switched off manually of course.

The availability of such option just next to the downvote arrow would encourage voters to return to the posts they downvoted and reconsider their vote, and in the end, it would encourage post owners to improve their posts (because the chance of the downvotes being reversed would increase).

This might be used for answers as well, but they are surely not the primary concern.

  • So you want a notification on the post, but not in your inbox? – Bart Mar 6 '13 at 23:23
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    If this is an opt-in thing, and it drops into the inbox, I think it is great. Otherwise, I could really annoy some heavy question-downvoters by going through and cleaning up all the questions they downvoted. – Brian Webster Mar 6 '13 at 23:23
  • @Bart If you mean whether "inbox" or "notifications": I'm not sure. I think that this might be ok in the notifications, but that is surely open to discussion. – yo' Mar 6 '13 at 23:25
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    @GeorgeWBush Surely opt-in, but suggestive by appearing directly under the downvote arrow. I thought about it for a good while to consider its pros and cons. – yo' Mar 6 '13 at 23:27
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    @Bart IMHO it should be the voter who decides whether he's notified, not the editor. Exactly as GWB explains, it can easily be annoying unless "completely opt-in". – yo' Mar 6 '13 at 23:29
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    @animuson why is this a dupe of that? This one is for an option for the downvoter, that question is for the editor. – Y     e     z Jan 20 '15 at 4:18
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    @lanceroberts ^^^ – Y     e     z Jan 20 '15 at 4:20