gtk2/tests/css/parser/boolean.css

a {
  boolean-property: true;
}
b {
  boolean-property: TRUE;
}
c {
  boolean-property: tRuE;
}
d {
  boolean-property: 1;
}
e {
  boolean-property: false;
}
f {
  boolean-property: FALSE;
}
g {
  boolean-property: FAlsE;
}
h {
  boolean-property: 0;
}
i {
  boolean-property: trueest;
}
j {
  boolean-property: T;
}
k {
  boolean-property: tru;
}
l {
  boolean-property: 0.0;
}
m {
  boolean-property: 1.0;
}
n {
  boolean-property: fals;
}
o {
  boolean-property: f;
}
p {
  boolean-property: FAL;
}