-- v2: mshtml: Enumerate all own custom props if requested. mshtml: Properly fill the window's script vars. mshtml: Properly fill the window's constructors. mshtml: Properly fill the constructor's "prototype" prop. mshtml: Properly fill the prototype's "constructor" prop. mshtml: Only fill the external props once, unless they are volatile. mshtml: Fill the props in the host method instead of enumerating next prop.