Allow editing the edit summary
12187
Let me add or change edit summary during edit window (grace period)
34403
Don't allow edit suggestion during grace period
73149
Which edit actions can move a post into Community Wiki mode?
62451
How to overcome "Edits must be at least 6 characters"
68665
Change this behavior to allow for spelling corrections and the like: "Edits must be at least 6 characters"
44948
Show "Insufficient Privileges" directly when clicking 'Edit' (override), not on 'Save'
126277
Allow adding a custom reject reason when marking an edit as "Reject and Edit"
116948
Edits on closed posts
123839
Let users editing a question know if editing it would add it to the reopen queue
7859
Suggested edits: Better visual indication of whether edit is to a question or an answer
114500
Add a 'creation date' value when a new line is edited
77048
Minor edit of posts: allow typo correction for low-rep users
135830
Could new users be prompted to edit instead of commenting?
1501
What kind of edits contribute to the editor badges?
129972
Cannot edit question without also changing the title
33698
Editing old questions
36392
Four points for editing?