2.2 Scheme functions

Scheme functions are Scheme procedures that can create Scheme expressions from input written in LilyPond syntax. They can be called in pretty much all places where using # for specifying a value in Scheme syntax is allowed. While Scheme has functions of its own, this chapter is concerned with syntactic functions, functions that receive arguments specified in LilyPond syntax.

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LilyPond — Extending v2.19.59 (development-branch).