I recently tried to edit https://chemistry.stackexchange.com/questions/33521/an-unkown-substance-present-in-urine-with-the-empirical-formula-ch4n2o to remove the incorrect tag (it has been done now).

While doing just a tag-edit (i.e. no changes made in the body), I get a notification saying edits must be 6 characters. But I didn't edit the body at all. I was trying to make just a tag-edit. Is this a glitch?

I flagged the question for moderator help and got this reply:

Even if it's just a tag edit, to suggest an edit requires the minimum character change.

I still don't understand this. Can someone help me?

  • $\begingroup$ Might be a bug, see the related discussion at Meta.SE. $\endgroup$
    – Wildcat
    Jul 7 '15 at 10:55
  • $\begingroup$ Judging from this discussion it should be possible. Also related: meta.stackexchange.com/q/184544/260760 $\endgroup$ Jul 7 '15 at 11:09
  • $\begingroup$ That was my mistake. As long as you don't touch the body of the post, the edit should go through. I'm looking into this. CC:@Martin-マーチン $\endgroup$
    – jonsca
    Jul 7 '15 at 23:06
  • $\begingroup$ There appears to be a strange space at the top of that post (see the revision history). That's the only thing I can think of that would have fooled the system into thinking that you'd edited the body. I haven't heard anything official yet, though. $\endgroup$
    – jonsca
    Jul 9 '15 at 0:10

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