Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.3.7)
// Compass (v1.0.0.alpha.18)
// ----

$old-ie: false;
@mixin old-ie() {
  @if $old-ie {
    @content;
  }
}
@mixin inline-block($alignment) {
    display: inline-block;
    @include old-ie() {
        $alignment: unquote($alignment);
        vertical-align: #{$alignment};
    }
}

// In modern stylesheet
.column {
  @include inline-block("top");
}

$old-ie: true;
// In IE stylesheet
.column {
  @include inline-block("top");
}

SassMeister-output.css

.column {
  display: inline-block;
}

.column {
  display: inline-block;
  vertical-align: top;
}