[PEP484](https://peps.python.org/pep-0484/) defines "Forward references" for undefined types. This PR treats such annotations as types rather than strings. Release Notes: - Added Python syntax highlighting for forward references.
[PEP484](https://peps.python.org/pep-0484/) defines "Forward references" for undefined types. This PR treats such annotations as types rather than strings. Release Notes: - Added Python syntax highlighting for forward references.