Minimum 6 character edit is not a practical rule
55959
Minimum number of characters to change is problematic
4034
Is it possible to increase Output Field Name length beyond 10 characters?
31976
Rate limit suggested edits
36982
How do I insert and delete some characters in the middle of a file?
128883
Reduce Character Limit for Bounty Custom Text
22815
What can we do to stop bad edits getting accepted?
131854
How to fix a single character typo in a code sample?
157207
Remove trivial edit restriction
44896
'wc -m' shows one character too many
51375
Why would one limit username format?
100281
Why can't someone edit more than five of his/her own posts per day?
44948
Show "Insufficient Privileges" directly when clicking 'Edit' (override), not on 'Save'
88876
How did a new question with a title shorter than 15 characters come to exist?
16766
Why does editing posts on SO require a minimum of 6 charaters?
67099
Requires several people to confirm edits, but I can make edits myself?
134414
How to deal with invalid, but still community-approved edits?
126793
no room for new \count error