[ERRATUM] core-1. [minor typographical error]. Clarification of Extended interfaces introduction

http://www.w3.org/2000/11/DOM-Level-2-errata

DOM Level 2 Core

   core-1. 2001-01-17. [minor typographical error]. [15]Clarification of
          Extended interfaces introduction
          The following sentence should be removed since it is in the DOM
          HTML specification:

          As such, HTML-only DOM implementations [DOM Level 2 HTML] do
          not need to have objects that implement these interfaces.

[15]
http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113/core.html#ID-E067D597