The syntax trees built by the parsers generated by Tunnel Grammar Studio are described in article "The Expressive Power of the Statically Typed Concrete Syntax Trees" published at "Proceedings of the 14th International Conference Education and Research in the Information Society" (ERIS 2021), Vol-3061, with ISSN 1613-0073. A PDF can be found into the download page here.
At 2022 Jan 02, 12:57 GMT in news channel Tunnel Parsing