Merge pull request #3241 from dotnet/master

Update Live with current Master

Author: BillWagner

xml/System.Data/DataRowView.xml

@@ -539,7 +539,15 @@
         <summary>Gets a value indicating whether the current <see cref="T:System.Data.DataRowView" /> is identical to the specified object.</summary>
         <returns>
           <see langword="true" /> if <paramref name="object" /> is a <see cref="T:System.Data.DataRowView" /> and it returns the same row as the current <see cref="T:System.Data.DataRowView" />; otherwise <see langword="false" />.</returns>
-        <remarks>To be added.</remarks>
+        <remarks>
+          <format type="text/markdown"><![CDATA[
+
+## Remarks
+
+This method checks for reference equality instead of checking whether <xref:System.Data.DataRowView.DataView> or <xref:System.Data.DataRowView.Row> are equivalent.
+
+          ]]></format>
+        </remarks>
       </Docs>
     </Member>
     <Member MemberName="GetHashCode">
@@ -766,6 +774,7 @@
 -or-
 
 The <see cref="P:System.Data.DataRowView.DataView" /> doesn't allow edits and <see cref="T:System.Data.DataRowView" /> is not new.</exception>
+        <exception cref="T:System.Data.DataException">Unmatched <paramref name="property" /> when setting a value.</exception>
       </Docs>
     </Member>
     <Member MemberName="PropertyChanged">

xml/System.IO.Enumeration/FileSystemName.xml

@@ -87,7 +87,17 @@
         <summary> Verifies if the given Win32 expression matches the given name. Supports the following wildcards: '*', '?', '&lt;', '&gt;', '"'. The backslash character '\' escapes.</summary>
         <returns>
           <see langword="true" /> if the given expression matches the given name; otherwise, <see langword="false" />.</returns>
-        <remarks>To be added.</remarks>
+        <remarks>
+          <format type="text/markdown"><![CDATA[
+
+## Remarks
+
+The syntax of the `expression` parameter is based on the syntax used by <xref:System.IO.FileSystemWatcher>, which is based on [RtlIsNameInExpression](/windows/win32/devnotes/rtlisnameinexpression), which defines the rules for matching DOS wildcards (`'*'`, `'?'`, `'<'`, `'>'`, `'"'`).
+ 
+Matching will not correspond to Win32 behavior unless you transform the expression using <xref:System.IO.Enumeration.FileSystemName.TranslateWin32Expression(System.String)>.
+
+          ]]></format>
+        </remarks>
       </Docs>
     </Member>
     <Member MemberName="TranslateWin32Expression">

xml/System/ReadOnlySpan`1.xml

@@ -379,8 +379,8 @@ This method returns `default` when `array` is `null`.
       </ReturnValue>
       <Parameters />
       <Docs>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <summary>A read-only reference to an object of type T that can be used for pinning, and is required to support the use of span within a fixed statement.</summary>
+        <returns>A reference to the element of the span at index 0, or <see langword="null" /> if the span is empty.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>