2 replaced http://stackoverflow.com/ with https://stackoverflow.com/
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You don't have anything to feel guilty about. If the person was interested in writing and maintaining an answer, they would have done so. If it was in fact the correct answer it's hardly likely that they would be the only one to think of it.

Doing what you did by expanding it into a proper answer is perfectly fine. The question came off the unanswered list, the answer exists in a much more articulated state to help future visitors and at the end of the day everyone wins.

If we were honestly concerned about this, moderators would have the ability to convert comments into answers. That's not going to happen. Comments are, in fact, ephemeral; useful nuggets they contain should be moved to a more permanent place.

Don't think too much of it. If you really want to alleviate this misplaced sense of guilt, add something like this to the bottom of your answer:

Additional credit goes to Mark HubbartMark Hubbart who first spotted this in commentsin comments.

Still, the bulk of the work was your own.

You don't have anything to feel guilty about. If the person was interested in writing and maintaining an answer, they would have done so. If it was in fact the correct answer it's hardly likely that they would be the only one to think of it.

Doing what you did by expanding it into a proper answer is perfectly fine. The question came off the unanswered list, the answer exists in a much more articulated state to help future visitors and at the end of the day everyone wins.

If we were honestly concerned about this, moderators would have the ability to convert comments into answers. That's not going to happen. Comments are, in fact, ephemeral; useful nuggets they contain should be moved to a more permanent place.

Don't think too much of it. If you really want to alleviate this misplaced sense of guilt, add something like this to the bottom of your answer:

Additional credit goes to Mark Hubbart who first spotted this in comments.

Still, the bulk of the work was your own.

You don't have anything to feel guilty about. If the person was interested in writing and maintaining an answer, they would have done so. If it was in fact the correct answer it's hardly likely that they would be the only one to think of it.

Doing what you did by expanding it into a proper answer is perfectly fine. The question came off the unanswered list, the answer exists in a much more articulated state to help future visitors and at the end of the day everyone wins.

If we were honestly concerned about this, moderators would have the ability to convert comments into answers. That's not going to happen. Comments are, in fact, ephemeral; useful nuggets they contain should be moved to a more permanent place.

Don't think too much of it. If you really want to alleviate this misplaced sense of guilt, add something like this to the bottom of your answer:

Additional credit goes to Mark Hubbart who first spotted this in comments.

Still, the bulk of the work was your own.

1
source | link

You don't have anything to feel guilty about. If the person was interested in writing and maintaining an answer, they would have done so. If it was in fact the correct answer it's hardly likely that they would be the only one to think of it.

Doing what you did by expanding it into a proper answer is perfectly fine. The question came off the unanswered list, the answer exists in a much more articulated state to help future visitors and at the end of the day everyone wins.

If we were honestly concerned about this, moderators would have the ability to convert comments into answers. That's not going to happen. Comments are, in fact, ephemeral; useful nuggets they contain should be moved to a more permanent place.

Don't think too much of it. If you really want to alleviate this misplaced sense of guilt, add something like this to the bottom of your answer:

Additional credit goes to Mark Hubbart who first spotted this in comments.

Still, the bulk of the work was your own.