LilyPond – Internals Reference
This manual is a technical reference for all internal elements used
by LilyPond and all Scheme functions it provides. This information can
be used to create tweaks and extensions, from simple output settings
to advanced Scheme programming.
For more information about how this manual fits with the other
documentation, or to read this manual in other formats, see
If you are missing any manuals, the complete documentation can be
found at https://lilypond.org/.
This document is also available as a
PDF and as
one big page.