gtk/testsuite/css/parser/declarations.css

a { ;;; }

b { }

c {
}

d { ; int-property: 42; }

e {
  int-property: 42;
  ;
  ;
  ;
  uint-property: 42;
}

f {
  int-property: 42
}

g { int-property: 42 }

h { int-property }

i { int-property; }

j { int-property: }

k { int-property : }

l { int-property: ; }

m { int-property:; }

n { int-property: ; }

h { int-property uint-property: 42; }

i { int-property; uint-property: 42; }

j { int-property: uint-property: 42; }

k { int-property : uint-property: 42; }

l { int-property: uint-property: 42; }

m { int-property:; uint-property: 42; }

n { int-property: ; uint-property: 42; }