From: Andrew Cunningham (andrewc@vicnet.net.au)
Date: Thu Apr 10 2003 - 18:14:28 EDT
Hi Chris,
Does Microsoft have any publicly available documnetation on which parts
of the PUA it uses and how?
Andrew
Chris Pratley wrote:
> Part of the PUA (starting at the bottom) is used by Word to handle EUDC
> characters from standards such as Big5, Shift-JIS etc when data from
> those charsets are mapped to Unicode.
>
> Word uses a portion of the PUA (actually Windows does this mapping), to
> hold this data. Since those EUDC characters are expecting Asian layout
> characteristics, font binding, etc, we internally make some assumptions
> about that part of the PUA (realistically this is by far the most common
> usage of that region). Also, if we don't make those assumptions, then
> plain-text "EUDC" text copied from say notepad to Word as Unicode text
> would not pick up the required Asian properties. Lots of existing apps
> place only plain text on the clipboard (Unicode or local code page such
> as Big5), so we have to assume the Asian properties or things don't work
> for those EUDC characters.
-- Andrew Cunningham Multilingual Technical Officer Online Projects Team, Vicnet State Library of Victoria Australia andrewc@vicnet.net.au +61-3-8664-7430 http;//www.openroad.net.au/
This archive was generated by hypermail 2.1.5 : Thu Apr 10 2003 - 19:10:10 EDT