LilyPond – Music notation for everyone: Extending

## Extending

### Extending LilyPond

This manual explains how to write extensions to LilyPond.

### Read it

- Extending (split HTML) - the manual is split between many HTML pages.
  (small download for each page)
- Extending (big HTML) - read this manual as one huge HTML page.
  (large single download, 200 KB)
- extending.pdf - download as a PDF file.
  (large single download, 400 KB)

Other languages: français, italiano, 日本語, nederlands, 中文.

### Validation

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