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I see a Cleanup merit badge, which is described as "First rollback", but it has no information on how to earn it and no explanation as to what a rollback means? Is this deleting your earlier question or deleting a comment or answer? If so, we should state that in the right section.

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    I don't know why I am laughing tears here, J. I had no idea there was a cleanup merit badge (this is sounding like 'Brownies or Bluebirds or babyscouts). I have no idea what cleanup would mean!
    – stormy
    Jun 2, 2017 at 19:10

1 Answer 1

Reset to default
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A rollback is when you edit a post to revert it to an earlier version. If a post has previously been edited (such that it has at least two revisions), when you look at its edit history you'll see a rollback link underneath the older revisions.

For example, my recent question about artificial plants has two revisions:

enter image description here

Revision 1 shows the rollback link. Clicking on that1 would create a revision 3, which would be identical to revision 1.

For more information see the help center and some posts on Meta Stack Exchange:

1 Don't! Use this if you absolutely must experiment.

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    Having a footnote to a meta answer should be a badge in itself. Nicely done
    – kevinskio Mod
    Jun 4, 2017 at 18:38

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