put back accidental deletion

Author: gewarren

xml/System/Double.xml

@@ -1,4 +1,27 @@
-<Type Name="Double" FullName="System
+<Type Name="Double" FullName="System.Double">	<Type Name="Double" FullName="System
+  <TypeSignature Language="C#" Value="public struct Double : IComparable, IComparable&lt;double&gt;, IConvertible, IEquatable&lt;double&gt;, IFormattable" />	
+  <TypeSignature Language="ILAsm" Value=".class public sequential ansi serializable sealed beforefieldinit float64 extends System.ValueType implements class System.IComparable, class System.IComparable`1&lt;float64&gt;, class System.IConvertible, class System.IEquatable`1&lt;float64&gt;, class System.IFormattable" />	
+  <TypeSignature Language="DocId" Value="T:System.Double" />	
+  <TypeSignature Language="VB.NET" Value="Public Structure Double&#xA;Implements IComparable, IComparable(Of Double), IConvertible, IEquatable(Of Double), IFormattable" />	
+  <TypeSignature Language="C++ CLI" Value="public value class Double : IComparable, IComparable&lt;double&gt;, IConvertible, IEquatable&lt;double&gt;, IFormattable" />	
+  <TypeSignature Language="F#" Value="type double = struct&#xA;    interface IFormattable&#xA;    interface IConvertible" />	
+  <AssemblyInfo>	
+    <AssemblyName>System.Runtime</AssemblyName>	
+    <AssemblyVersion>4.0.0.0</AssemblyVersion>	
+    <AssemblyVersion>4.0.10.0</AssemblyVersion>	
+    <AssemblyVersion>4.0.20.0</AssemblyVersion>	
+    <AssemblyVersion>4.1.0.0</AssemblyVersion>	
+    <AssemblyVersion>4.2.0.0</AssemblyVersion>	
+    <AssemblyVersion>4.2.1.0</AssemblyVersion>	
+  </AssemblyInfo>	
+  <AssemblyInfo>	
+    <AssemblyName>mscorlib</AssemblyName>	
+    <AssemblyVersion>1.0.5000.0</AssemblyVersion>	
+    <AssemblyVersion>2.0.0.0</AssemblyVersion>	
+    <AssemblyVersion>2.0.5.0</AssemblyVersion>	
+    <AssemblyVersion>4.0.0.0</AssemblyVersion>
+  </AssemblyInfo>	
+  <AssemblyInfo>
     <AssemblyName>netstandard</AssemblyName>
     <AssemblyVersion>2.0.0.0</AssemblyVersion>
     <AssemblyVersion>2.1.0.0</AssemblyVersion>