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Insert new line character to xaml attribute

<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"          xmlns:s="clr-namespace:System;assembly=mscorlib"         xmlns:src="clr-namespace:MyNameSpace.EnvironmentInfo2"          Title="Environment Info">     <Window.Resources>         <src:FormattedMultiTextConverter x:Key="conv" />     </Window.Resources>     <TextBlock>         <TextBlock.Text>             <MultiBinding Converter="{StaticResource conv}"                           ConverterParameter= "Operating System Version: {0} &#x000A;.NET Version: {1} &#x000A;Machine Name: {2} &#x000A;User Name: {3}" >                 <Binding Source="{x:Static s:Environment.OSVersion}" />                 <Binding Source="{x:Static s:Environment.Version}" />                 <Binding Source="{x:Static s:Environment.MachineName}" />                 <Binding Source="{x:Static s:Environment.UserName}" />             </MultiBinding>         </TextBlock.Text>     </TextBlock> </Window> //File:Window.xaml.cs using System; using System.Globalization; using System.Windows; using System.Windows.Data; namespace MyNameSpace.EnvironmentInfo2 {     public class FormattedMultiTextConverter : IMultiValueConverter     {         public object Convert(object[] value, Type typeTarget,                                object param, CultureInfo culture)         {             return String.Format((string) param, value);         }         public object[] ConvertBack(object value, Type[] typeTarget,                                      object param, CultureInfo culture)         {             return null;         }     } }