small bug fixed and reving for 1.3 release

ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/MaskedTextBox/MaskedTextBox.cs

@@ -259,7 +259,7 @@ namespace Microsoft.Windows.Controls
         {
             //do not create a mask provider if the Mask is empty, which can occur if the IncludePrompt and IncludeLiterals properties
             //are set prior to the Mask.
-            if (String.IsNullOrWhiteSpace(mask))
+            if (String.IsNullOrEmpty(mask))
                 return;
 
             MaskProvider = new MaskedTextProvider(mask)

ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/Properties/AssemblyInfo.cs

@@ -52,8 +52,8 @@ using System.Windows.Markup;
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.2.0.0")]
-[assembly: AssemblyFileVersion("1.2.0.0")]
+[assembly: AssemblyVersion("1.3.0.0")]
+[assembly: AssemblyFileVersion("1.3.0.0")]
 
 [assembly: XmlnsPrefix("http://schemas.microsoft.com/winfx/2006/xaml/presentation/toolkit/extended", "extToolkit")]
 [assembly: XmlnsDefinition("http://schemas.microsoft.com/winfx/2006/xaml/presentation/toolkit/extended", "Microsoft.Windows.Controls")]

ExtendedWPFToolkitSolution_35/Src/WPFToolkit.Extended/Properties/AssemblyInfo.cs

@@ -3,6 +3,7 @@ using System.Resources;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 using System.Windows;
+using System.Windows.Markup;
 
 // General Information about an assembly is controlled through the following 
 // set of attributes. Change these attribute values to modify the information
@@ -51,5 +52,8 @@ using System.Windows;
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.2.0.0")]
-[assembly: AssemblyFileVersion("1.2.0.0")]
+[assembly: AssemblyVersion("1.3.0.0")]
+[assembly: AssemblyFileVersion("1.3.0.0")]
+
+[assembly: XmlnsPrefix("http://schemas.microsoft.com/winfx/2006/xaml/presentation/toolkit/extended", "extToolkit")]
+[assembly: XmlnsDefinition("http://schemas.microsoft.com/winfx/2006/xaml/presentation/toolkit/extended", "Microsoft.Windows.Controls")]