The parts of a token are supposed to be an array of not-null strings, but we were using `null` for tags that had no prefix. This has been fixed to use the empty string in such cases, which allows the `null !` hack to be removed. PR Close #28978
The parts of a token are supposed to be an array of not-null strings, but we were using `null` for tags that had no prefix. This has been fixed to use the empty string in such cases, which allows the `null !` hack to be removed. PR Close #28978