-- v2: mshtml: Forward deletion for GLOBAL_SCRIPTVAR to the script's object. mshtml: Check if window global prop still exists before returning its id. mshtml: Override window's element prop directly rather than using mshtml: Use BSTR to store global prop's name. jscript: Add basic semi-stub implementation of GetMemberProperties. mshtml: Throw invalid action for IE8 window prop deletion. mshtml: Reset builtin function props to their default values when deleted.