sass/_susy.scss in susy-1.0.2 vs sass/_susy.scss in susy-1.0.3

@@ -1,7 +1,48 @@
 // ---------------------------------------------------------------------------
 // Helpers
+// @@@ These only live here until they land in Compass.
 
+// Change the experimental-support settings in specific contexts.
+@mixin set-experimental-support($moz: false, $webkit: false, $ms: false, $o: false, $khtml: false) {
+  $experimental-support-for-mozilla: $moz;
+  $experimental-support-for-webkit: $webkit;
+  $experimental-support-for-microsoft: $ms;
+  $experimental-support-for-opera: $o;
+  $experimental-support-for-khtml: $khtml;
+}
+
+// Change the legacy-support-for-ie* settings in specific contexts.
+@mixin set-legacy-ie-support($ie6: false, $ie7: false, $ie8: false) {
+  $legacy-support-for-ie6: $ie6;
+  $legacy-support-for-ie7: $ie7;
+  $legacy-support-for-ie8: $ie8;
+}
+
+// This mixin allows you to change the experimental support settings for
+// child (@content) styles.
+@mixin with-only-support-for($moz: false, $webkit: false, $ms: false, $o: false, $khtml: false, $legacy-ie: false) {
+  // Capture the current state
+  $original-moz: $experimental-support-for-mozilla;
+  $original-webkit: $experimental-support-for-webkit;
+  $original-o: $experimental-support-for-opera;
+  $original-ms: $experimental-support-for-microsoft;
+  $original-khtml: $experimental-support-for-khtml;
+  $original-ie6: $legacy-support-for-ie6;
+  $original-ie7: $legacy-support-for-ie7;
+  $original-ie8: $legacy-support-for-ie8;
+  // Change support settings
+  @include set-experimental-support($moz, $webkit, $ms, $o, $khtml);
+  @include set-legacy-ie-support($legacy-ie, $legacy-ie, $legacy-ie);
+  // Apply styles
+  @content;
+  // Return to original support settings
+  @include set-legacy-ie-support($original-ie6, $original-ie7, $original-ie8);
+  @include set-experimental-support($original-moz, $original-webkit, $original-ms, $original-o, $original-khtml);
+}
+
+// This mixin is a shortcut for making slight adjustments to browser support
+// for child (@content) styles
 @mixin adjust-support-for(
     $moz: $experimental-support-for-mozilla,
     $webkit: $experimental-support-for-webkit,
     $ms: $experimental-support-for-microsoft,
     $o: $experimental-support-for-opera,