While \paper contains settings that relate to the page formatting
of the whole document, \layout contains settings for score-specific
layout.
\layout {
indent = 2.0\cm
\context { \Staff
minimumVerticalExtent = #'(-6 . 6
}
\context { \Voice
\override TextScript #'padding = #1.0
\override Glissando #'thickness = #3
}
}
This manual: Changing context default settings
This page is for LilyPond-2.6.6 (stable-branch).