Difference in output of media query conditions with binary operations

[xzyfer]

@media screen and (hux: 3/4) {
  foo {
    bar: baz;
  }
}

Ruby Sass

@media screen and (hux: 3 / 4) {
  foo {
    bar: baz; } }

LibSass

@media screen and (hux: 3/4) {
  foo {
    bar: baz; } }

Spec sass/sass-spec#458