A language-independent specification (LIS) is a programming language specification providing a common interface usable for defining Formal semantics of programming languages applicable toward arbitrary language Binding (computer science); in other words, LIS s are language-agnostic. LIS s also mitigate the risk that a certain language binding might reduce compatibility with other languages; an ideal LIS allows the language bindings to take advantage of features of a programming language uncompromisingly.

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