Use &dotnet#160; as white space in xml (dotnet#8642)

Author: huangmin-ms

xml/Microsoft.Extensions.Configuration/CommandLineConfigurationExtensions.xml

@@ -94,7 +94,7 @@
         <param name="configurationBuilder">The <see cref="T:Microsoft.Extensions.Configuration.IConfigurationBuilder" /> to add to.</param>
         <param name="args">The command line args.</param>
         <summary>
-              Adds a <see cref="T:Microsoft.Extensions.Configuration.CommandLine.CommandLineConfigurationProvider" /> <see cref="T:Microsoft.Extensions.Configuration.IConfigurationProvider" /> 
+              Adds a <see cref="T:Microsoft.Extensions.Configuration.CommandLine.CommandLineConfigurationProvider" /> 
               that reads configuration values from the command line.</summary>
         <returns>The <see cref="T:Microsoft.Extensions.Configuration.IConfigurationBuilder" />.</returns>
         <remarks>
@@ -184,7 +184,7 @@ key1=value1
               alias keys (with prefix "--"), mapped to the configuration key (no prefix).
             </param>
         <summary>
-              Adds a <see cref="T:Microsoft.Extensions.Configuration.CommandLine.CommandLineConfigurationProvider" /> <see cref="T:Microsoft.Extensions.Configuration.IConfigurationProvider" /> that reads
+              Adds a <see cref="T:Microsoft.Extensions.Configuration.CommandLine.CommandLineConfigurationProvider" /> that reads
               configuration values from the command line using the specified switch mappings.</summary>
         <returns>The <see cref="T:Microsoft.Extensions.Configuration.IConfigurationBuilder" />.</returns>
         <remarks>

xml/Microsoft.Extensions.Options/IOptionsMonitor`1.xml

@@ -93,7 +93,7 @@
         <Parameter Name="name" Type="System.String" Index="0" FrameworkAlternate="dotnet-plat-ext-2.0;dotnet-plat-ext-2.1;dotnet-plat-ext-2.2;dotnet-plat-ext-3.0;dotnet-plat-ext-3.1;dotnet-plat-ext-5.0;dotnet-plat-ext-6.0;dotnet-plat-ext-7.0" />
       </Parameters>
       <Docs>
-        <param name="name">The name of the <typeparamref name="TOptions" /> instance, if a <see langword="null" /> <see cref="F:Microsoft.Extensions.Options.Options.DefaultName" /> is used.</param>
+        <param name="name">The name of the <typeparamref name="TOptions" /> instance, if <see cref="F:Microsoft.Extensions.Options.Options.DefaultName" /> is <see langword="null" />.</param>
         <summary>Returns a configured <typeparamref name="TOptions" /> instance with the given name.</summary>
         <returns>The <typeparamref name="TOptions" /> instance that matches the given <paramref name="name" />.</returns>
         <remarks>To be added.</remarks>

xml/Microsoft.Extensions.Options/IOptionsSnapshot`1.xml

@@ -76,7 +76,7 @@
         <Parameter Name="name" Type="System.String" Index="0" FrameworkAlternate="dotnet-plat-ext-2.0;dotnet-plat-ext-2.1;dotnet-plat-ext-2.2;dotnet-plat-ext-3.0;dotnet-plat-ext-3.1;dotnet-plat-ext-5.0;dotnet-plat-ext-6.0;dotnet-plat-ext-7.0" />
       </Parameters>
       <Docs>
-        <param name="name">The name of the <typeparamref name="TOptions" /> instance, if <see langword="null" /> <see cref="F:Microsoft.Extensions.Options.Options.DefaultName" /> is used.</param>
+        <param name="name">The name of the <typeparamref name="TOptions" /> instance, if <see cref="F:Microsoft.Extensions.Options.Options.DefaultName" /> is <see langword="null" />.</param>
         <summary>Returns a configured <typeparamref name="TOptions" /> instance with the given name.</summary>
         <returns>The <typeparamref name="TOptions" /> instance that matches the given <paramref name="name" />.</returns>
         <remarks>To be added.</remarks>

xml/Microsoft.Extensions.Options/OptionsManager`1.xml

@@ -139,7 +139,7 @@
         <Parameter Name="name" Type="System.String" Index="0" FrameworkAlternate="dotnet-plat-ext-2.0;dotnet-plat-ext-2.1;dotnet-plat-ext-2.2;dotnet-plat-ext-3.0;dotnet-plat-ext-3.1;dotnet-plat-ext-5.0;dotnet-plat-ext-6.0;dotnet-plat-ext-7.0" />
       </Parameters>
       <Docs>
-        <param name="name">The name of the <typeparamref name="TOptions" /> instance, if a <see langword="null" /> <see cref="F:Microsoft.Extensions.Options.Options.DefaultName" /> is used.</param>
+        <param name="name">The name of the <typeparamref name="TOptions" /> instance, if <see cref="F:Microsoft.Extensions.Options.Options.DefaultName" /> is <see langword="null" />.</param>
         <summary>Returns a configured <typeparamref name="TOptions" /> instance with the given <paramref name="name" />.</summary>
         <returns>The <typeparamref name="TOptions" /> instance that matches the given <paramref name="name" />.</returns>
         <remarks>To be added.</remarks>

xml/System.Diagnostics.CodeAnalysis/UnscopedRefAttribute.xml

@@ -28,7 +28,7 @@
         <li>
           <see langword="this" /> for <see langword="struct" /> instance methods.</li>
         <li>
-          <see langword="ref" /> parameters that refer to <see langword="ref" /> <see langword="struct" /> types.</li>
+          <see langword="ref" /> parameters that refer to <see langword="ref struct" /> types.</li>
         <li>
           <see langword="out" /> parameters.</li>
       </ol>