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Editing is not a problem. I would implement an automatic header with a link to the question post, however.

We are currently considering adding a link to the original question that will be visible on non-StemQ dapps.

Definitely a good idea.

As for a link to the original question when using StemQ I assume that you saw the button at the bottom of the answer page?

Yes, I saw it. Does the question asker get a notification of some sort that someone answered?

Ah sorry, wrong accont. It's Sco, anyway.

No, not at present unfortunately.