This PR standardizes error messages by quoting names with backticks. The changes were automated, so some cases may still be missing.
note
hint'
This PR improves the consistency of error message formatting by rendering addenda of several existing error messages as labeled notes and hints.
This PR adds support for changing the binder annotations of existing variables to and from strict-implicit and instance-implicit using the `variable` command. This PR requires a stage0 update to fully take effect. Closes #6078
