/sass/spec/libsass-issues/issue_1768/input.scss:1 DEBUG: ()
/sass/spec/libsass-issues/issue_1768/input.scss:2 DEBUG: foo, (), bar
/sass/spec/libsass-issues/issue_1768/input.scss:3 DEBUG: foo () bar
/sass/spec/libsass-issues/issue_1768/input.scss:4 DEBUG: (foo: (), bar: baz)
