Backing out commit 795e880b - errors popping up in IE 6/7/8.

src/effects.js

@@ -61,10 +61,10 @@ jQuery.fn.extend({
 		} else {
 			for ( var i = 0, j = this.length; i < j; i++ ) {
 				var display = jQuery.css( this[i], "display" );
-        
-				if ( !jQuery.data( this[i], "olddisplay" ) && display !== "none" ) {
-					  jQuery.data( this[i], "olddisplay", display );
-			  }				  
+
+				if ( display !== "none" ) {
+					jQuery.data( this[i], "olddisplay", display );
+				}
 			}
 
 			// Set the display of the elements in a second loop

test/unit/effects.js

@@ -130,41 +130,6 @@ test("show(Number) - other displays", function() {
 	});
 });
 
-
-
-//  Supports #7397
-test("Persist correct display value", function() {
-  expect(4);
-	QUnit.reset();
-	stop();
-
-	// #show-tests * is set display: none in CSS
-	jQuery("#main").append('<div id="show-tests"><span style="position:absolute;"></span></div>');
-  
-	var $span = jQuery("#show-tests span"),  
-	  orig = $span.css("display"),
-		num = 0;
-		
-  equal(orig, "none", "Expecting to start at display: none");
-
-  $span.text('Saving...').fadeIn(100, function() {
-
-    equal($span.css("display"), "block", "Expecting display: block");
-
-    $span.text('Saved!').fadeOut(100, function () {
-  
-      equal($span.css("display"), "none", "Expecting display: none");
-      
-      $span.text('Saving...').fadeIn(100, function() {
-      
-        equal($span.css("display"), "block", "Expecting display: block");
-      
-        start();
-      });
-    });
-  });
-});
-
 test("animate(Hash, Object, Function)", function() {
 	expect(1);
 	stop();