The PR replaces all `goldmark/util.BytesToReadOnlyString` with
`util.UnsafeBytesToString`, `goldmark/util.StringToReadOnlyBytes` with
`util.UnsafeStringToBytes`. This removes one `TODO`.
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
Change all license headers to comply with REUSE specification.
Fix#16132
Co-authored-by: flynnnnnnnnnn <flynnnnnnnnnn@github>
Co-authored-by: John Olheiser <john.olheiser@gmail.com>