@option style:legacy;
@option control-scoping:no;

div {
  @each $some in red blue {
    // DEVIATION! in Sass, the outer $some is not modified here.
  }
  $some: green !default;
  A-blue: $some;

  $other: null;
  @each $other in magenta orange {
    // DEVIATION! in Sass, the outer $other is not modified here either.
  }
  B-orange: $other;
}