They were encoded that way some while before they were accepted in Unicode. Also, until Unicode 4.1 is published, there is a possibility that codepoints may change.
Peter Peter Constable Globalization Infrastructure and Font Technologies Microsoft Windows Division > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf > Of Richard S Cook > Sent: Wednesday, April 07, 2004 9:35 AM > To: Peter Constable > Cc: Richard S Cook; [EMAIL PROTECTED] > Subject: Re: Doulos SIL (was: French typographic thin space) > > On Apr 5, 2004, at 04:06 PM, Peter Constable wrote: > > >> FYI, there is a new release (as of 1 April) of Doulos SIL at > >> http://scripts.sil.org/DoulosSILfont, a free download, regular > >> typeface only. > > > > BTW, this font has most of the recently-approved phonetic symbols > > (encoded as PUA characters). > > Peter, > > Why PUA? > > -Richard >