>> Perhaps: >> >> 4. Further Considerations >> >> Occasionally the IETF may choose to publish as Proposed Standard a >> document that contains areas of known limitations or challenges. In >> such cases any known issues with the document will be clearly and >> prominently communicated in the document, for example in the >> abstract, the introduction, or a separate section or statement. > > Seems reasonable to me. I agree; that's a fine way to put it, and thanks. Barry