Enable .NET Interactive (dotnet#4219)

Author: mairaw

xml/System/Char.xml

@@ -1270,6 +1270,13 @@ When a managed <xref:System.Char> type, which is represented as a Unicode UTF-16
 ## Remarks
  Valid digits are members of the <xref:System.Globalization.UnicodeCategory.DecimalDigitNumber?displayProperty=nameWithType> category.
 
+## Examples
+ The following code example demonstrates <xref:System.Char.IsDigit%2A>.
+
+ :::code language="cpp" source="~/samples/snippets/cpp/VS_Snippets_CLR_System/system.Char.IsDigit/CPP/isdigit.cpp" id="Snippet4":::
+ :::code language="csharp" source="~/samples/snippets/csharp/VS_Snippets_CLR_System/system.Char.IsDigit/CS/isdigit.cs" interactive="try-dotnet" id="Snippet4":::
+ :::code language="vb" source="~/samples/snippets/visualbasic/VS_Snippets_CLR_System/system.Char.IsDigit/VB/isdigit.vb" id="Snippet4":::
+
  ]]></format>
         </remarks>
       </Docs>
@@ -1324,15 +1331,6 @@ When a managed <xref:System.Char> type, which is represented as a Unicode UTF-16
 
  Valid digits are members of the <xref:System.Globalization.UnicodeCategory.DecimalDigitNumber?displayProperty=nameWithType> category.
 
-
-
-## Examples
- The following code example demonstrates <xref:System.Char.IsDigit%2A>.
-
- [!code-cpp[System.Char.IsDigit#4](~/samples/snippets/cpp/VS_Snippets_CLR_System/system.Char.IsDigit/CPP/isdigit.cpp#4)]
- [!code-csharp[System.Char.IsDigit#4](~/samples/snippets/csharp/VS_Snippets_CLR_System/system.Char.IsDigit/CS/isdigit.cs#4)]
- [!code-vb[System.Char.IsDigit#4](~/samples/snippets/visualbasic/VS_Snippets_CLR_System/system.Char.IsDigit/VB/isdigit.vb#4)]
-
  ]]></format>
         </remarks>
         <altmember cref="M:System.Text.Rune.IsDigit(System.Text.Rune)" />
@@ -1399,15 +1397,6 @@ When a managed <xref:System.Char> type, which is represented as a Unicode UTF-16
 
  Valid digits are members of the <xref:System.Globalization.UnicodeCategory.DecimalDigitNumber?displayProperty=nameWithType> category.
 
-
-
-## Examples
- The following code example demonstrates <xref:System.Char.IsDigit%2A>.
-
- [!code-cpp[System.Char.IsDigit#4](~/samples/snippets/cpp/VS_Snippets_CLR_System/system.Char.IsDigit/CPP/isdigit.cpp#4)]
- [!code-csharp[System.Char.IsDigit#4](~/samples/snippets/csharp/VS_Snippets_CLR_System/system.Char.IsDigit/CS/isdigit.cs#4)]
- [!code-vb[System.Char.IsDigit#4](~/samples/snippets/visualbasic/VS_Snippets_CLR_System/system.Char.IsDigit/VB/isdigit.vb#4)]
-
  ]]></format>
         </remarks>
         <exception cref="T:System.ArgumentNullException">