There's a bit of history to this. Two schools of thinking:
- If an edit improves a post in any way, we should be thankful for it and accept the edit
- If you're causing unnecessary work for reviewers, the edit should generally be rejected. Please don't gum up our system with trivial edits that don't really improve anything.
Both have merit and scale is an important factor. A lot of our 'network wisdom' on this comes from Stack Overflow, where the subject of editing has always been a little ... lively. They're also at a scale where the time reviewers have to spend is enormously precious and critical for the gears to keep moving. They've got problems that we just don't have here, and probably won't for a very long time.
What I suggest is, favor accepting edits made in good faith that do actually improve the post, while improving upon edits that miss something. If someone adds a period and leaves an entire train wreck behind, reject it. If someone litters up a post with
needless and silly formatting tha
anything to the
text but make it look
goofy - then reject it. It's hard to describe good faith, you just know it when you see it.
If / when this becomes a hardship on reviewers, we can establish more stringent editing guidelines. I'm inclined to think that we won't need them for some time, if at all. If you feel as if a certain editor, or group of editors is more or less taking time from your reviews that could be spent more productively - flag one of the edited posts and point it out to a moderator. Sometimes folks just need a little guidance when it comes to editing.
Just don't ever get to the point where this becomes a complicated question to answer:
I corrected a few problems in the post but wasn't sure of others, you're saying that I didn't do enough for you with my spare time?
Edits, in particular low-hanging fruit can be a great tool to get new people actively doing things on the site, so try not to complicate the process any more than it needs to be until it's really absolutely necessary.
When it comes to tags, if ever unsure - just post here. Do we really need this [foo] tag that was just introduced?. If it's obviously a bad tag and there's no real discussion to be had, just remove it.