RIML is a YAML-based grammer for describing application routing information. It's used for generating documentation, running tests, and generating routing configuration files for applications.
It's similar to RAML in some ways, but vastly different in others.
The official specification can be found here.
There is a PHP implementation as a part of my Nano.php library set.
This library can be found in two places:
Timothy Totten [email protected]