Index: src/wp-admin/js/inline-edit-tax.js
===================================================================
--- src/wp-admin/js/inline-edit-tax.js	(リビジョン 25913)
+++ src/wp-admin/js/inline-edit-tax.js	(作業コピー)
@@ -55,6 +55,9 @@
 	},
 
 	save : function(id) {
+		if ( inlineEditTax.isSaving() )
+			return false;
+
 		var params, fields, tax = $('input[name="taxonomy"]').val() || '';
 
 		if( typeof(id) == 'object' )
@@ -114,7 +117,12 @@
 	getId : function(o) {
 		var id = o.tagName == 'TR' ? o.id : $(o).parents('tr').attr('id'), parts = id.split('-');
 		return parts[parts.length - 1];
+	},
+	
+	isSaving : function() {
+		return $('table.widefat .spinner').is(':visible');
 	}
+	
 };
 
 $(document).ready(function(){inlineEditTax.init();});