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5. Changing defaults
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 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. That manual lists all the variables, functions and options available in LilyPond. It is written as a HTML document, which is available on-line, 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
| 5.1 Interpretation contexts | ||
| 5.2 Explaining the Internals Reference | ||
| 5.3 Modifying properties | ||
| 5.4 Useful concepts and properties |
Footnotes
[1] Scheme tutorial, contains a short tutorial on entering numbers, lists, strings, and symbols in Scheme.
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