Show HN: DeltaScript – scripting language skeleton to be extended into DSLs (github.com)

DeltaScript is a lightweight scripting language skeleton that is designed to be easily extended for the specification and implementation of domain-specific languages with a shared syntax.

v0.1.0: https://github.com/jbunke/deltascript/releases/tag/v0.1.0

Includes the language specification and the official language implementation (an interpreter targeting Java)