_box-sizing.scss in compass-0.13.alpha.5

- old
+ new

@@ -1,17 +1,15 @@
 // Box Sizing
 
-@import "shared";
+@import "compass/support";
 
-// @private css3-feature-support variables must always include a list of five boolean values
-// representing in order: -moz, -webkit, -ms, -o, -khtml
-$box-sizing-support:  -moz, -webkit, not -ms, not -o, not -khtml;
+// The prefixed support threshold for box-sizing.
+// Defaults to the $graceful-usage-threshold.
+$box-sizing-support-threshold: $critical-usage-threshold !default;
 
-
 // Change the box model for Mozilla, Webkit, IE8 and the future
 //
-// @param $box-model
-//   [ content-box | border-box | padding-box ]
+//     $box-model: [ content-box | border-box | padding-box ]
 @mixin box-sizing($box-model) {
   $box-model: unquote($box-model);
-  @include experimental(box-sizing, $box-model, $box-sizing-support...);
+  @include prefixed-properties(css3-boxsizing, $box-sizing-support-threshold, (box-sizing: $box-model));
 }