Automatic layout of railroad diagrams (raw artifact)

This artifact contains a Scala implementation of the algorithm described in the accompanying paper, and all resources and instructions necessary to verify the experimental claims made in the paper. The artifact is provided as a tarball (.tgz), also containing a Dockerfile used to build the Docker image in the related artifact, https://doi.org/10.5281/zenodo.18505179. Separately, the latest state of development, which may have diverged from the claims supported by the artifact, can be found at github.com/epfl-systemf/librrd.