Update live with current master

xml/System.Diagnostics.CodeAnalysis/NotNullAttribute.xml

@@ -24,7 +24,7 @@
     </Attribute>
   </Attributes>
   <Docs>
-    <summary>Specifies that an output is not <see langword="null" /> even if the corresponding type allows it.</summary>
+    <summary>Specifies that an output is not <see langword="null" /> even if the corresponding type allows it. Specifies that an input argument was not <see langword="null" /> when the call returns.</summary>
     <remarks>To be added.</remarks>
   </Docs>
   <Members>

xml/System.Diagnostics.Tracing/EventCounter.xml

@@ -40,7 +40,7 @@
 
 ## Remarks
 
-For an example of how to use the <xref:System.Diagnostics.Tracing.EventCounter> class, see [Introduction Tutorial: How to measure performance for very frequent events using EventCounters](https://github.com/dotnet/corefx/blob/master/src/System.Diagnostics.Tracing/documentation/EventCounterTutorial.md).
+For an example of how to use the <xref:System.Diagnostics.Tracing.EventCounter> class, see [Introduction Tutorial: How to measure performance for very frequent events using EventCounters](https://github.com/dotnet/runtime/blob/master/src/libraries/System.Diagnostics.Tracing/documentation/EventCounterTutorial.md).
 
    ]]></format>
     </remarks>
@@ -180,7 +180,7 @@ After being disposed, this counter will stop reporting values. If an <xref:Syste
           <format type="text/markdown"><![CDATA[  
     ## Remarks  
 
-    For an example of how to use the <xref:System.Diagnostics.Tracing.EventCounter.WriteMetric(System.Single)> method, see [Introduction Tutorial: How to measure performance for very frequent events using EventCounters](https://github.com/dotnet/corefx/blob/master/src/System.Diagnostics.Tracing/documentation/EventCounterTutorial.md).
+    For an example of how to use the <xref:System.Diagnostics.Tracing.EventCounter.WriteMetric(System.Single)> method, see [Introduction Tutorial: How to measure performance for very frequent events using EventCounters](https://github.com/dotnet/runtime/blob/master/src/libraries/System.Diagnostics.Tracing/documentation/EventCounterTutorial.md).
 
        ]]></format>
         </remarks>
@@ -224,7 +224,7 @@ After being disposed, this counter will stop reporting values. If an <xref:Syste
           <format type="text/markdown"><![CDATA[  
     ## Remarks  
 
-    For an example of how to use the <xref:System.Diagnostics.Tracing.EventCounter.WriteMetric(System.Single)> method, see the [Introduction Tutorial: How to measure performance for very frequent events using EventCounters](https://github.com/dotnet/corefx/blob/master/src/System.Diagnostics.Tracing/documentation/EventCounterTutorial.md) topic.
+    For an example of how to use the <xref:System.Diagnostics.Tracing.EventCounter.WriteMetric(System.Single)> method, see the [Introduction Tutorial: How to measure performance for very frequent events using EventCounters](https://github.com/dotnet/runtime/blob/master/src/libraries/System.Diagnostics.Tracing/documentation/EventCounterTutorial.md) topic.
 
        ]]></format>
         </remarks>

xml/System.Diagnostics/Activity.xml

@@ -377,7 +377,7 @@ Normally if the <xref:System.Diagnostics.Activity.ParentId> is defined, its form
 
 ## Remarks
 
-An ID has a hierarchical structure: `root-id.id1_id2.id3_`. The ID is generated when <xref:System.Diagnostics.Activity.Start> is called by appending a suffix to the `Activity.Parent.Id` or the <xref:System.Diagnostics.Activity.ParentId>. An <xref:System.Diagnostics.Activity> has no ID until it starts. For more information, see [Id Format](https://github.com/dotnet/corefx/blob/master/src/System.Diagnostics.DiagnosticSource/src/ActivityUserGuide.md#id-format).
+An ID has a hierarchical structure: `root-id.id1_id2.id3_`. The ID is generated when <xref:System.Diagnostics.Activity.Start> is called by appending a suffix to the `Activity.Parent.Id` or the <xref:System.Diagnostics.Activity.ParentId>. An <xref:System.Diagnostics.Activity> has no ID until it starts. For more information, see [Id Format](https://github.com/dotnet/runtime/blob/master/src/libraries/System.Diagnostics.DiagnosticSource/src/ActivityUserGuide.md#id-format).
 
 ]]></format>
         </remarks>
@@ -492,7 +492,7 @@ An operation name is the *coarsest* name that is useful for grouping/filtering.
 
 If the parent for this <xref:System.Diagnostics.Activity> comes from outside the process, the <xref:System.Diagnostics.Activity> does not have a parent but *may* have a parent ID (which was deserialized from the parent).
 
-This property value can be `null` if this is a root <xref:System.Diagnostics.Activity> (that is, it has no <xref:System.Diagnostics.Activity.Parent>). For more information, see [ID format](https://github.com/dotnet/corefx/blob/master/src/System.Diagnostics.DiagnosticSource/src/ActivityUserGuide.md#id-format).
+This property value can be `null` if this is a root <xref:System.Diagnostics.Activity> (that is, it has no <xref:System.Diagnostics.Activity.Parent>). For more information, see [ID format](https://github.com/dotnet/runtime/blob/master/src/libraries/System.Diagnostics.DiagnosticSource/src/ActivityUserGuide.md#id-format).
 
 ]]></format>
         </remarks>
@@ -576,7 +576,7 @@ If the <xref:System.Diagnostics.Activity.ParentId?displayProperty=nameWithType>
 
 ## Remarks
 
-The root ID is a substring from the <xref:System.Diagnostics.Activity.Id> or the <xref:System.Diagnostics.Activity.ParentId>) between '|' (or the beginning) and the first `.`. Filtering by root ID allows you to find all activities involved in operation processing. For more information, see [ID Format](https://github.com/dotnet/corefx/blob/master/src/System.Diagnostics.DiagnosticSource/src/ActivityUserGuide.md#id-format).
+The root ID is a substring from the <xref:System.Diagnostics.Activity.Id> or the <xref:System.Diagnostics.Activity.ParentId>) between '|' (or the beginning) and the first `.`. Filtering by root ID allows you to find all activities involved in operation processing. For more information, see [ID Format](https://github.com/dotnet/runtime/blob/master/src/libraries/System.Diagnostics.DiagnosticSource/src/ActivityUserGuide.md#id-format).
 
 ]]></format>
         </remarks>

xml/System.Diagnostics/DiagnosticListener.xml

@@ -35,7 +35,7 @@
 
 `DiagnosticListener` is a NotificationSource, which means the returned result can be used to  log notifications, but it also has a <xref:System.Diagnostics.DiagnosticListener.Subscribe%2A> method so notifications can be forwarded arbitrarily. Thus, its job is to forward things from the producer to all the listeners (multi-casting). Generally, you should not be making your own <xref:System.Diagnostics.DiagnosticListener> but use the default, so that notifications are as public as possible.
 
-For more information on the <xref:System.Diagnostics.DiagnosticSource> and <xref:System.Diagnostics.DiagnosticListener> classes, see [DiagnosticSource User's Guide](https://github.com/dotnet/corefx/blob/d3942d4671919edb0cca6ddc1840190f524a809d/src/System.Diagnostics.DiagnosticSource/src/DiagnosticSourceUsersGuide.md).
+For more information on the <xref:System.Diagnostics.DiagnosticSource> and <xref:System.Diagnostics.DiagnosticListener> classes, see [DiagnosticSource User's Guide](https://github.com/dotnet/runtime/blob/master/src/libraries/System.Diagnostics.DiagnosticSource/src/DiagnosticSourceUsersGuide.md).
 
         ]]></format>
     </remarks>

xml/System.Diagnostics/Process.xml

@@ -105,9 +105,9 @@
 
  The following example uses the <xref:System.Diagnostics.Process> class itself and a static <xref:System.Diagnostics.Process.Start%2A> method to start a process.  
 
- [!code-cpp[Process.Start_static#1](~/samples/snippets/cpp/VS_Snippets_CLR/Process.Start_static/CPP/processstartstatic.cpp#1)]
- [!code-csharp[Process.Start_static#1](~/samples/snippets/csharp/VS_Snippets_CLR/Process.Start_static/CS/processstartstatic.cs#1)]
- [!code-vb[Process.Start_static#1](~/samples/snippets/visualbasic/VS_Snippets_CLR/Process.Start_static/VB/processstartstatic.vb#1)]  
+ [!code-cpp[Process.Start_static#1](~/samples/snippets/cpp/VS_Snippets_CLR/Process.Start_static/CPP/processstartstatic.cpp)]
+ [!code-csharp[Process.Start_static#1](~/samples/snippets/csharp/VS_Snippets_CLR/Process.Start_static/CS/processstartstatic.cs)]
+ [!code-vb[Process.Start_static#1](~/samples/snippets/visualbasic/VS_Snippets_CLR/Process.Start_static/VB/processstartstatic.vb)]  
 
  The following F# example defines a `runProc` function that starts a process, captures all output and error information, and records the number of milliseconds that the process has run.  The `runProc` function has three parameters: the name of application to launch, the arguments to supply to the application, and the starting directory.  
 
@@ -4708,9 +4708,9 @@ There is a similar issue when you read all text from both the standard output an
 ## Examples  
  The following example runs the ipconfig.exe command and redirects its standard output to the example's console window.  
 
- [!code-cpp[Process_StandardOutput#2](~/samples/snippets/cpp/VS_Snippets_CLR/Process_StandardOutput/CPP/process_standardoutput.cpp#2)]
- [!code-csharp[Process_StandardOutput#2](~/samples/snippets/csharp/VS_Snippets_CLR/Process_StandardOutput/CS/process_standardoutput.cs#2)]
- [!code-vb[Process_StandardOutput#2](~/samples/snippets/visualbasic/VS_Snippets_CLR/Process_StandardOutput/VB/process_standardoutput.vb#2)]  
+ [!code-cpp[Process_StandardOutput#2](~/samples/snippets/cpp/VS_Snippets_CLR/Process_StandardOutput/CPP/process_standardoutput.cpp)]
+ [!code-csharp[Process_StandardOutput#2](~/samples/snippets/csharp/VS_Snippets_CLR/Process_StandardOutput/CS/process_standardoutput.cs)]
+ [!code-vb[Process_StandardOutput#2](~/samples/snippets/visualbasic/VS_Snippets_CLR/Process_StandardOutput/VB/process_standardoutput.vb)]  
 
  ]]></format>
         </remarks>
@@ -4897,9 +4897,9 @@ The <see cref="P:System.Diagnostics.ProcessStartInfo.UseShellExecute" /> member
 
  For additional examples of other uses of this method, refer to the individual properties of the <xref:System.Diagnostics.ProcessStartInfo> class.  
 
- [!code-cpp[Process.Start_static#1](~/samples/snippets/cpp/VS_Snippets_CLR/Process.Start_static/CPP/processstartstatic.cpp#1)]
- [!code-csharp[Process.Start_static#1](~/samples/snippets/csharp/VS_Snippets_CLR/Process.Start_static/CS/processstartstatic.cs#1)]
- [!code-vb[Process.Start_static#1](~/samples/snippets/visualbasic/VS_Snippets_CLR/Process.Start_static/VB/processstartstatic.vb#1)]  
+ [!code-cpp[Process.Start_static#1](~/samples/snippets/cpp/VS_Snippets_CLR/Process.Start_static/CPP/processstartstatic.cpp)]
+ [!code-csharp[Process.Start_static#1](~/samples/snippets/csharp/VS_Snippets_CLR/Process.Start_static/CS/processstartstatic.cs)]
+ [!code-vb[Process.Start_static#1](~/samples/snippets/visualbasic/VS_Snippets_CLR/Process.Start_static/VB/processstartstatic.vb)]  
 
  ]]></format>
         </remarks>
@@ -5002,9 +5002,9 @@ The <see cref="P:System.Diagnostics.ProcessStartInfo.UseShellExecute" /> member
 ## Examples  
  The following example first spawns an instance of Internet Explorer and displays the contents of the Favorites folder in the browser. It then starts some other instances of Internet Explorer and displays some specific pages or sites. Finally it starts Internet Explorer with the window being minimized while navigating to a specific site.  
 
- [!code-cpp[Process.Start_static#1](~/samples/snippets/cpp/VS_Snippets_CLR/Process.Start_static/CPP/processstartstatic.cpp#1)]
- [!code-csharp[Process.Start_static#1](~/samples/snippets/csharp/VS_Snippets_CLR/Process.Start_static/CS/processstartstatic.cs#1)]
- [!code-vb[Process.Start_static#1](~/samples/snippets/visualbasic/VS_Snippets_CLR/Process.Start_static/VB/processstartstatic.vb#1)]  
+ [!code-cpp[Process.Start_static#1](~/samples/snippets/cpp/VS_Snippets_CLR/Process.Start_static/CPP/processstartstatic.cpp)]
+ [!code-csharp[Process.Start_static#1](~/samples/snippets/csharp/VS_Snippets_CLR/Process.Start_static/CS/processstartstatic.cs)]
+ [!code-vb[Process.Start_static#1](~/samples/snippets/visualbasic/VS_Snippets_CLR/Process.Start_static/VB/processstartstatic.vb)]  
 
  ]]></format>
         </remarks>
@@ -5090,9 +5090,9 @@ The file specified in the <paramref name="fileName" /> could not be found.</exce
 ## Examples  
  The following example first spawns an instance of Internet Explorer and displays the contents of the Favorites folder in the browser. It then starts some other instances of Internet Explorer and displays some specific pages or sites. Finally it starts Internet Explorer with the window being minimized while navigating to a specific site.  
 
- [!code-cpp[Process.Start_static#1](~/samples/snippets/cpp/VS_Snippets_CLR/Process.Start_static/CPP/processstartstatic.cpp#1)]
- [!code-csharp[Process.Start_static#1](~/samples/snippets/csharp/VS_Snippets_CLR/Process.Start_static/CS/processstartstatic.cs#1)]
- [!code-vb[Process.Start_static#1](~/samples/snippets/visualbasic/VS_Snippets_CLR/Process.Start_static/VB/processstartstatic.vb#1)]  
+ [!code-cpp[Process.Start_static#1](~/samples/snippets/cpp/VS_Snippets_CLR/Process.Start_static/CPP/processstartstatic.cpp)]
+ [!code-csharp[Process.Start_static#1](~/samples/snippets/csharp/VS_Snippets_CLR/Process.Start_static/CS/processstartstatic.cs)]
+ [!code-vb[Process.Start_static#1](~/samples/snippets/visualbasic/VS_Snippets_CLR/Process.Start_static/VB/processstartstatic.vb)]  
 
  ]]></format>
         </remarks>

xml/System.Diagnostics/ProcessStartInfo.xml

@@ -59,9 +59,9 @@
 ## Examples  
  The following code example demonstrates how to use the <xref:System.Diagnostics.ProcessStartInfo> class to start Internet Explorer, providing the destination URLs as <xref:System.Diagnostics.ProcessStartInfo> arguments.  
 
- [!code-cpp[Process.Start_static#1](~/samples/snippets/cpp/VS_Snippets_CLR/Process.Start_static/CPP/processstartstatic.cpp#1)]
- [!code-csharp[Process.Start_static#1](~/samples/snippets/csharp/VS_Snippets_CLR/Process.Start_static/CS/processstartstatic.cs#1)]
- [!code-vb[Process.Start_static#1](~/samples/snippets/visualbasic/VS_Snippets_CLR/Process.Start_static/VB/processstartstatic.vb#1)]  
+ [!code-cpp[Process.Start_static#1](~/samples/snippets/cpp/VS_Snippets_CLR/Process.Start_static/CPP/processstartstatic.cpp)]
+ [!code-csharp[Process.Start_static#1](~/samples/snippets/csharp/VS_Snippets_CLR/Process.Start_static/CS/processstartstatic.cs)]
+ [!code-vb[Process.Start_static#1](~/samples/snippets/visualbasic/VS_Snippets_CLR/Process.Start_static/VB/processstartstatic.vb)]  
 
  ]]></format>
     </remarks>
@@ -360,13 +360,13 @@ If you use this property to set command-line arguments, <xref:System.Diagnostics
 ## Examples  
  The first example creates a small application (argsecho.exe) that echos its arguments to the console. The second example creates an application that invokes argsecho.exe to demonstrate different variations for the `Arguments` property.  
 
- [!code-cpp[Process.Start_static#3](~/samples/snippets/cpp/VS_Snippets_CLR/Process.Start_static/CPP/processstartstatic.cpp#3)]
- [!code-csharp[Process.Start_static#3](~/samples/snippets/csharp/VS_Snippets_CLR/Process.Start_static/CS/processstartstatic.cs#3)]
- [!code-vb[Process.Start_static#3](~/samples/snippets/visualbasic/VS_Snippets_CLR/Process.Start_static/VB/processstartstatic.vb#3)]  
+ [!code-cpp[Process.Start_static#3](~/samples/snippets/cpp/VS_Snippets_CLR/Process.Start_static/CPP/processstartstatic3.cpp)]
+ [!code-csharp[Process.Start_static#3](~/samples/snippets/csharp/VS_Snippets_CLR/Process.Start_static/CS/processstartstatic3.cs)]
+ [!code-vb[Process.Start_static#3](~/samples/snippets/visualbasic/VS_Snippets_CLR/Process.Start_static/VB/processstartstatic3.vb)]  
 
- [!code-cpp[Process.Start_static#2](~/samples/snippets/cpp/VS_Snippets_CLR/Process.Start_static/CPP/processstartstatic.cpp#2)]
- [!code-csharp[Process.Start_static#2](~/samples/snippets/csharp/VS_Snippets_CLR/Process.Start_static/CS/processstartstatic.cs#2)]
- [!code-vb[Process.Start_static#2](~/samples/snippets/visualbasic/VS_Snippets_CLR/Process.Start_static/VB/processstartstatic.vb#2)]  
+ [!code-cpp[Process.Start_static#2](~/samples/snippets/cpp/VS_Snippets_CLR/Process.Start_static/CPP/processstartstatic2.cpp)]
+ [!code-csharp[Process.Start_static#2](~/samples/snippets/csharp/VS_Snippets_CLR/Process.Start_static/CS/processstartstatic2.cs)]
+ [!code-vb[Process.Start_static#2](~/samples/snippets/visualbasic/VS_Snippets_CLR/Process.Start_static/VB/processstartstatic2.vb)]  
 
  ]]></format>
         </remarks>
@@ -1771,9 +1771,9 @@ When <xref:System.Diagnostics.ProcessStartInfo.UseShellExecute> is `false`, the
           <format type="text/markdown"><![CDATA[  
 
 ## Examples  
- [!code-cpp[Process.Start_static#1](~/samples/snippets/cpp/VS_Snippets_CLR/Process.Start_static/CPP/processstartstatic.cpp#1)]
- [!code-csharp[Process.Start_static#1](~/samples/snippets/csharp/VS_Snippets_CLR/Process.Start_static/CS/processstartstatic.cs#1)]
- [!code-vb[Process.Start_static#1](~/samples/snippets/visualbasic/VS_Snippets_CLR/Process.Start_static/VB/processstartstatic.vb#1)]  
+ [!code-cpp[Process.Start_static#1](~/samples/snippets/cpp/VS_Snippets_CLR/Process.Start_static/CPP/processstartstatic.cpp)]
+ [!code-csharp[Process.Start_static#1](~/samples/snippets/csharp/VS_Snippets_CLR/Process.Start_static/CS/processstartstatic.cs)]
+ [!code-vb[Process.Start_static#1](~/samples/snippets/visualbasic/VS_Snippets_CLR/Process.Start_static/VB/processstartstatic.vb)]  
 
  ]]></format>
         </remarks>

xml/System.IO.Compression/GZipStream.xml

@@ -980,16 +980,17 @@ Calling `DisposeAsync` allows the resources used by the <xref:System.IO.Compress
       </ReturnValue>
       <Parameters />
       <Docs>
-        <summary>The current implementation of this method has no functionality.</summary>
+        <summary>Flushes the internal buffers.</summary>
         <remarks>
-          <format type="text/markdown"><![CDATA[  
-
-## Remarks  
- The current implementation of this method does not flush the internal buffer. The internal buffer is flushed when the object is disposed.  
-
- ]]></format>
+          <format type="text/markdown"><![CDATA[
+
+## Remarks
+
+This method flushes only if the current compression mode is <xref:System.IO.Compression.CompressionMode.Compress> and the underlying stream still has some input left to write.
+
+          ]]></format>
         </remarks>
-        <exception cref="T:System.ObjectDisposedException">The stream is closed.</exception>
+        <exception cref="T:System.ObjectDisposedException">The underlying stream is closed.</exception>
       </Docs>
     </Member>
     <Member MemberName="FlushAsync">