fix broken breadcrumb/missing index file

.openpublishing.redirection.json

@@ -603,6 +603,11 @@
             "source_path": "docs/framework/unmanaged-api/cor-prf-allowable-after-attach-bitmask.md",
             "redirect_url": "/dotnet/framework/unmanaged-api/profiling/cor-prf-monitor-enumeration"
         },
+        {
+            "source_path": "docs/framework/wcf/extending/extending-wcf.md",
+            "redirect_url": "/dotnet/framework/wcf/extending/index",
+            "redirect_document_id": true
+        },        
         {
             "source_path": "docs/framework/wcf/windows-communication-foundation.md",
             "redirect_url": "/dotnet/framework/wcf/index"

docs/framework/wcf/extending/toc.md

@@ -1,4 +1,4 @@
-# [Extending WCF](extending-wcf.md)
+# [Extending WCF](index.md)
 ## [Extending ServiceHost and the Service Model Layer](extending-servicehost-and-the-service-model-layer.md)
 ### [Extending Clients](extending-clients.md)
 #### [How to: Inspect or Modify Messages on the Client](how-to-inspect-or-modify-messages-on-the-client.md)

docs/framework/wcf/feature-details/interoperability-and-integration.md

@@ -58,4 +58,4 @@ This section covers interoperability and integration with [!INCLUDE[indigo1](../
  <xref:System.ServiceModel>  
 
 ## Related Sections  
- [Extending WCF](../../../../docs/framework/wcf/extending/extending-wcf.md)
+ [Extending WCF](../../../../docs/framework/wcf/extending/index.md)

docs/framework/wcf/guide-to-the-documentation.md

@@ -41,7 +41,7 @@ Provided here is guidance about the [!INCLUDE[indigo1](../../../includes/indigo1
 
 -   If you are looking for guidance about a particular feature or capability of [!INCLUDE[indigo2](../../../includes/indigo2-md.md)], see the topics under [WCF Feature Details](../../../docs/framework/wcf/feature-details/index.md).  
 
--   If you would like to extend or customize [!INCLUDE[indigo2](../../../includes/indigo2-md.md)] to suit your requirements, see [Extending WCF](../../../docs/framework/wcf/extending/extending-wcf.md).  
+-   If you would like to extend or customize [!INCLUDE[indigo2](../../../includes/indigo2-md.md)] to suit your requirements, see [Extending WCF](../../../docs/framework/wcf/extending/index.md).  
 
 -   For information about the tools that help to create and debug [!INCLUDE[indigo2](../../../includes/indigo2-md.md)] applications, see [Windows Communication Foundation Tools](../../../docs/framework/wcf/tools.md).  
 

docs/framework/wcf/index.md

@@ -41,7 +41,7 @@ This section of the documentation provides information about Windows Communicati
  [WCF Feature Details](../../../docs/framework/wcf/feature-details/index.md)  
  Shows topics that let you choose which [!INCLUDE[indigo2](../../../includes/indigo2-md.md)] feature or features you need to employ.  
 
- [Extending WCF](../../../docs/framework/wcf/extending/extending-wcf.md)  
+ [Extending WCF](../../../docs/framework/wcf/extending/index.md)  
  Describes how to modify and extend WCF runtime components  
 
  [Guidelines and Best Practices](../../../docs/framework/wcf/guidelines-and-best-practices.md)  

docs/framework/wcf/introduction-to-extensibility.md

@@ -61,4 +61,4 @@ The [!INCLUDE[indigo1](../../../includes/indigo1-md.md)] application model is de
  To modify the relationship between the hosting application domain and the service host, you must extend the <xref:System.ServiceModel.Activation.ServiceHostFactory?displayProperty=nameWithType> class. [!INCLUDE[crdefault](../../../includes/crdefault-md.md)] [Extending Hosting Using ServiceHostFactory](../../../docs/framework/wcf/extending/extending-hosting-using-servicehostfactory.md).  
 
 ## See Also  
- [Extending WCF](../../../docs/framework/wcf/extending/extending-wcf.md)
+ [Extending WCF](../../../docs/framework/wcf/extending/index.md)

docs/framework/wcf/whats-wcf.md

@@ -87,7 +87,7 @@ ms.workload:
 
 -   **Extensibility**  
 
-     The [!INCLUDE[indigo2](../../../includes/indigo2-md.md)] architecture has a number of extensibility points. If extra capability is required, there are a number of entry points that allow you to customize the behavior of a service. [!INCLUDE[crabout](../../../includes/crabout-md.md)] available extensibility points see [Extending WCF](../../../docs/framework/wcf/extending/extending-wcf.md).  
+     The [!INCLUDE[indigo2](../../../includes/indigo2-md.md)] architecture has a number of extensibility points. If extra capability is required, there are a number of entry points that allow you to customize the behavior of a service. [!INCLUDE[crabout](../../../includes/crabout-md.md)] available extensibility points see [Extending WCF](../../../docs/framework/wcf/extending/index.md).  
 
 ## WCF Integration with Other Microsoft Technologies  
  [!INCLUDE[indigo2](../../../includes/indigo2-md.md)] is a flexible platform. Because of this extreme flexibility, [!INCLUDE[indigo2](../../../includes/indigo2-md.md)] is also used in several other Microsoft products. By understanding the basics of [!INCLUDE[indigo2](../../../includes/indigo2-md.md)], you have an immediate advantage if you also use any of these products.