1\version "2.19.16"
2\header {
3  texidoc = "The two dots of a repeat sign should be symmetric
4to the staff centre and avoid staff lines even for exotic staves.
5Test set-global-staff size 10 (with layout-set-staff-size)."
6}
7
8#(set-global-staff-size 5)
9
10\score {
11  <<
12    \context Staff = "s1" \with {
13      \override StaffSymbol.staff-space = #0.7
14    } {
15      s1 \bar ":|."
16    }
17
18    \context Staff = "s2" \with {
19      \override StaffSymbol.line-positions = #'(-4 -2 0 2)
20    } {
21      s1 \bar ":|."
22    }
23
24    \context Staff = "s3" {
25      s1 \bar ":|."
26    }
27  >>
28}
29
30\score {
31  <<
32    \context Staff = "s1" \with {
33      \override StaffSymbol.staff-space = #0.7
34    } {
35      s1 \bar ":|."
36    }
37
38    \context Staff = "s2" \with {
39      \override StaffSymbol.line-positions = #'(-4 -2 0 2)
40    } {
41      s1 \bar ":|."
42    }
43
44    \context Staff = "s3" {
45      s1 \bar ":|."
46    }
47  >>
48
49  \layout {
50    #(layout-set-staff-size 30)
51  }
52}
53