- - ParseFailed, GSS, Walk, Parser, Sequence, Forest
+ - broader regression testing (for stuff like error messages, etc)
+
+ - More topology untangling [later]
+ - tib: use the lexer only for indentation increases/decreases
+ - grammar highlighting?
+
+ - Forest needs a "manual access" API
+ - the unwrap bit in Forest makes it really hard to expose an API for forests