Merge pull request #313 from MarkDHarper/1145041

Fix bug 1145041 by using a color with a higher contrast ratio for error text

Author: MarkDHarper

Sample Applications/EditingExaminerDemo/Styles.xaml

@@ -7,7 +7,7 @@
     </Style>
 
     <Style x:Key="ErrorMessageTextBox" TargetType="TextBox">
-        <Setter Property="Foreground" Value="Red" />
+        <Setter Property="Foreground" Value="DarkRed" />
         <Setter Property="BorderBrush" Value="Red" />
 
         <Style.Triggers>