WARNING: "foo"
    spec/libsass-issues/issue_2156/warn/input.scss 1:1  root stylesheet

WARNING: "foo"
    spec/libsass-issues/issue_2156/warn/input.scss 2:1  root stylesheet

WARNING: "foo
    spec/libsass-issues/issue_2156/warn/input.scss 3:1  root stylesheet

WARNING: "foo"bar
    spec/libsass-issues/issue_2156/warn/input.scss 4:1  root stylesheet

WARNING: "foo" and "bar"
    spec/libsass-issues/issue_2156/warn/input.scss 5:1  root stylesheet