This page is part of the web mail archives of SRFI 75 from before July 7th, 2015. The new archives for SRFI 75 contain all messages, not just those from before July 7th, 2015.
Sometimes hex numbers are written lowercase (#xdfff) and sometimes uppercase (#x10FFFF). Was it intended that way? Also somewhere you mention "whitescape". I guess you meant "whitespace"... ECL