<?xml version="1.0" encoding="us-ascii"?>
<ErrorDocumentation xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <ErrorName>CS1743</ErrorName>
  <Examples>
    <string>// CS1743: Cannot specify a default value for the `this' parameter
// Line: 6

static class C
{
	public static void Test (this C a = null)
	{
	}
}
</string>
  </Examples>
</ErrorDocumentation>