add language slugs (#11224)

Author: gewarren

xml/System.Text.RegularExpressions/MatchCollection.xml

@@ -555,7 +555,7 @@ A collection that is read-only does not allow the addition or removal of element
 
  The example produces the following output:
 
-```
+```txt
 Half
 house
 huge

xml/System.Text.RegularExpressions/Regex.xml

@@ -2986,7 +2986,7 @@ Allows an <see cref="T:System.Object" /> to attempt to free resources and perfor
 
  The regular expression pattern is:
 
-```
+```txt
 ^[a-zA-Z0-9]\d{2}[a-zA-Z0-9](-\d{3}){2}[A-Za-z0-9]$
 ```
 
@@ -3169,7 +3169,7 @@ For more details about `startat`, see the Remarks section of <xref:System.Text.R
 
  The regular expression pattern is:
 
-```
+```txt
 [a-zA-Z0-9]\d{2}[a-zA-Z0-9](-\d{3}){2}[A-Za-z0-9]$
 ```
 
@@ -3274,7 +3274,7 @@ For more details about `startat`, see the Remarks section of <xref:System.Text.R
 
  The regular expression pattern is:
 
-```
+```txt
 ^[a-zA-Z0-9]\d{2}[a-zA-Z0-9](-\d{3}){2}[A-Za-z0-9]$
 ```
 
@@ -3440,7 +3440,7 @@ For more details about `startat`, see the Remarks section of <xref:System.Text.R
 
  The regular expression pattern is:
 
-```
+```txt
 ^[A-Z0-9]\d{2}[A-Z0-9](-\d{3}){2}[A-Z0-9]$
 ```
 
@@ -3460,7 +3460,7 @@ For more details about `startat`, see the Remarks section of <xref:System.Text.R
 
  Calling the <xref:System.Text.RegularExpressions.Regex.IsMatch(System.String,System.String,System.Text.RegularExpressions.RegexOptions)> method with the `options` parameter set to <xref:System.Text.RegularExpressions.RegexOptions.IgnoreCase?displayProperty=nameWithType> is equivalent to defining the following regular expression:
 
-```
+```txt
 [a-zA-Z0-9]\d{2}[a-zA-Z0-9](-\d{3}){2}[A-Za-z0-9]
 ```
 
@@ -3619,7 +3619,7 @@ For more details about `startat`, see the Remarks section of <xref:System.Text.R
 
  The regular expression pattern is:
 
-```
+```txt
 ^[A-Z0-9]\d{2}[A-Z0-9](-\d{3}){2}[A-Z0-9]$
 ```
 
@@ -3639,7 +3639,7 @@ For more details about `startat`, see the Remarks section of <xref:System.Text.R
 
  Calling the <xref:System.Text.RegularExpressions.Regex.IsMatch(System.String,System.String,System.Text.RegularExpressions.RegexOptions,System.TimeSpan)> method with the `options` parameter set to <xref:System.Text.RegularExpressions.RegexOptions.IgnoreCase?displayProperty=nameWithType> is equivalent to defining the following regular expression:
 
-```
+```txt
 [a-zA-Z0-9]\d{2}[a-zA-Z0-9](-\d{3}){2}[A-Za-z0-9]
 ```
 

xml/System.Text/Encoding.xml

@@ -4354,14 +4354,12 @@ In .NET 5 and later versions, the code page name `utf-7` is not supported.
  The example uses the following text, which should be saved to a UTF-8 encoded file named Utf8Example.txt.
 
 ```txt
-
 This is a UTF-8-encoded file that contains primarily Latin text, although it
 does list the first twelve letters of the Russian (Cyrillic) alphabet:
 
 А б в г д е ё ж з и й к
 
 The goal is to save this file, then open and decode it as a binary stream.
-
 ```
 
  ]]></format>
@@ -4597,14 +4595,12 @@ The goal is to save this file, then open and decode it as a binary stream.
  The example uses the following text, which should be saved to a UTF-8 encoded file named Utf8Example.txt.
 
 ```txt
-
 This is a UTF-8-encoded file that contains primarily Latin text, although it
 does list the first twelve letters of the Russian (Cyrillic) alphabet:
 
 А б в г д е ё ж з и й к
 
 The goal is to save this file, then open and decode it as a binary stream.
-
 ```
 
  ]]></format>

xml/System.Transactions/TransactionEventArgs.xml

@@ -49,16 +49,16 @@
   <Docs>
     <summary>Provides data for the following transaction events: <see cref="E:System.Transactions.TransactionManager.DistributedTransactionStarted" />, <see cref="E:System.Transactions.Transaction.TransactionCompleted" />.</summary>
     <remarks>
-      <format type="text/markdown"><![CDATA[  
-  
-## Examples  
- The following example demonstrates how this type is used.  
-  
-```cs
+      <format type="text/markdown"><![CDATA[
+
+## Examples
+ The following example demonstrates how this type is used.
+
+ ```csharp
  //Transaction completed event handler
  static void Current_TransactionCompleted(object sender, TransactionEventArgs e)
  {
-  
+
     Console.WriteLine("A transaction has completed:");
     Console.WriteLine("ID:{0}",   e.Transaction.TransactionInformation.LocalIdentifier);
     Console.WriteLine("Distributed ID: {0}", e.Transaction.TransactionInformation.DistributedIdentifier);

xml/System/Byte.xml

@@ -6730,7 +6730,7 @@ This member is an explicit interface member implementation. It can be used only
 
  The `s` parameter should be the string representation of a number in the following form:
 
-```
+```txt
 [ws][sign]digits[ws]
 ```
 

xml/System/DateTime.xml

@@ -3591,7 +3591,7 @@ The value parameter is rounded to the nearest integer.
 
  The example displays the following output:
 
-```
+```txt
 7/28/2009
 7/28/09
 07/28/09
@@ -3882,7 +3882,7 @@ July, 2009
 
  The example displays the following output:
 
-```
+```txt
 28/07/2009
 28/07/09
 28.07.09

xml/System/Environment.xml

@@ -478,7 +478,7 @@
 
  The example can then be invoked from a batch file such as the following, which makes its error codes accessible by using the `ERRORLEVEL` command.
 
-```
+```bat
 @echo off
 Double.exe %1
 if errorlevel 1639 goto NoArg
@@ -502,7 +502,7 @@ goto :EOF
 
  The following shows some sample output produced by invoking the batch file.
 
-```
+```txt
 >getdouble 123
 Result: 246
 Completed Successfully

xml/System/Math.xml

@@ -3883,13 +3883,13 @@ Dim i2 As Integer = CInt(Math.Floor(d2))        ' Result: 7968
 
  The <xref:System.Math.IEEERemainder%2A> method is not the same as the [remainder operator](/dotnet/csharp/language-reference/operators/remainder-operator). Although both return the remainder after division, the formulas they use are different. The formula for the <xref:System.Math.IEEERemainder%2A> method is:
 
-```
+```txt
 IEEERemainder = dividend - (divisor * Math.Round(dividend / divisor))
 ```
 
  In contrast, the formula for the remainder operator is:
 
-```
+```txt
 Remainder = (Math.Abs(dividend) - (Math.Abs(divisor) *
             (Math.Floor(Math.Abs(dividend) / Math.Abs(divisor))))) *
             Math.Sign(dividend)

xml/System/MathF.xml

@@ -1177,13 +1177,13 @@ The value of this constant is 2.71828175.
 
  The <xref:System.MathF.IEEERemainder%2A> method is not the same as the [remainder operator](/dotnet/csharp/language-reference/operators/remainder-operator). Although both return the remainder after division, the formulas they use are different. The formula for the <xref:System.MathF.IEEERemainder%2A> method is:
 
-```
+```txt
 IEEERemainder = dividend - (divisor * MathF.Round(dividend / divisor))
 ```
 
  In contrast, the formula for the remainder operator is:
 
-```
+```txt
 Remainder = (MathF.Abs(dividend) - (MathF.Abs(divisor) *
             (MathF.Floor(MathF.Abs(dividend) / MathF.Abs(divisor))))) *
             MathF.Sign(dividend)

xml/System/ObjectDisposedException.xml

@@ -94,7 +94,7 @@
 
  This code produces the following output:
 
-```
+```txt
 Caught:
   Cannot access a closed Stream.
 ```