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GNU LilyPond
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Node:Direct Scheme, Next:Keywords, Previous:Comments, Up:Lexical details
Direct Scheme
LilyPond contains a Scheme interpreter (the GUILE library) for
internal use. In some places, Scheme expressions also form valid syntax:
wherever it is allowed,
#schemeevaluates the specified Scheme code. Example:
\property Staff.TestObject \override #'foobar = #(+ 1 2)
\override expects two Scheme expressions, so there are two Scheme
expressions. The first one is a symbol (foobar), the second one
an integer (namely, 3).
In-line scheme may be used at the top level. In this case the result is discarded.
Scheme is a full-blown programming language, and a full discussion is outside the scope of this document. Interested readers are referred to the website http://www.schemers.org/ for more information on Scheme.
Please send GNU LilyPond questions and comments to lilypond-user@gnu.org.
Please send comments on these web pages to lilypond@packages.debian.org
Copyright (c) 1997--2001 Han-Wen Nienhuys and Jan Nieuwenhuizen.
Verbatim copying and distribution of this entire article is permitted in any medium, provided this notice is preserved.