I've had several edits 'Rejected' where the main (or only) change was adding a language-hint. This is usually where the question or answer has no associated language tag, or the answer includes a snippet in a different language than is tagged in the question.
I make these edits because I feel:
- all code should be formatted as code w/ the proper syntax highlighting, and also
- that authors will see the edit and language-hints will become more widely used.
If there is a significant amount of code in the question/answer, the one line hint can make the item much more readable, but the reason given for the rejection is usually
This edit is too minor; suggested edits should be substantive improvements addressing multiple issues in the post.