lilypond-notation: Changing defaults
5 Changing defaults
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The purpose of LilyPond’s design is to provide the finest quality output
by default. Nevertheless, it may happen that you need to change this
default layout. The layout is controlled through a large number of
‘knobs and switches’ collectively called ‘properties’. A tutorial
introduction to accessing and modifying these properties can be found in
the Learning Manual, see (lilypond-learning)Tweaking output.
This should be read first. This chapter covers similar ground, but in a
style more appropriate to a reference manual.
The definitive description of the controls available for tuning can
be found in a separate document: the Internals Reference
(lilypond-internals)Top. That manual lists all the variables, functions
and options available in LilyPond. It is written as a HTML document,
which is available on-line
(http://lilypond.org/doc/stable/Documentation/internals/), and is also
included with the LilyPond documentation package.
Internally, LilyPond uses Scheme (a LISP dialect) to provide
infrastructure. Overriding layout decisions in effect accesses the
program internals, which requires Scheme input. Scheme elements are
introduced in a ‘.ly’ file with the hash mark ‘#’.(1)
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