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I edited an answer and suggested a small change that was greatly improving the post. This suggestion got rejected. When I looked into the revision history I noticed a strange behavior.

The edit I suggested was made under someone else's username - apparently the one who reviewed and improved my suggestion. So far everything seems fine: (Revision link)

But then I looked into my suggested edit itself to see what happened to it and saw this:

Of course the difference here is too minor to be approved. But what is displayed here was not my suggestion! (That suggestion can be seen in the revision 2 in the image above)

So what happened here? Was this due some strange timing issued in improving and approving my suggestion without marking it as helpful?

I edited an answer and suggested a small change that was greatly improving the post. This suggestion got rejected. When I looked into the revision history I noticed a strange behavior.

The edit I suggested was made under someone else's username - apparently the one who reviewed and improved my suggestion. So far everything seems fine: (Revision link)

But then I looked into my suggested edit itself to see what happened to it and saw this:

Of course the difference here is too minor to be approved. But what is displayed here was not my suggestion! (That suggestion can be seen in the revision 2 in the image above)

So what happened here? Was this due some strange timing issued in improving and approving my suggestion without marking it as helpful?