1\version "2.19.21"
2
3#(ly:set-option 'warning-as-error #f)
4#(ly:expect-warning (_ "systems run off the page due to improper paper settings, setting default values"))
5
6\header {
7  texidoc = "Normally, margin settings must not cause systems to run off the page."
8}
9
10#(set-default-paper-size "a4")
11
12someNotes = \relative { \repeat unfold 40 { c'4 d e f } }
13
14\paper {
15  left-margin = 20 \mm
16  line-width = 200 \mm
17}
18
19\book {
20  \score { \someNotes }
21}
22