At 09:06 AM 6/3/2005, David Thielen wrote:
>If I have unicode text and I don't know what charsets it may be from (ie it
>could be combined Thai and Chinese), it seems to me that I have to use
>IDENTITY.

     Correct.


>Or is there a way around that?

     No.


>And why does IDENTITY always get embedded?
     Because that's how the PDF file format works - for better or worse.

     If you want the detailed reason, it's mostly historical. When
Unicode support was first added to Acrobat/PDF, there weren't any widely
available fonts that had a large enough collection of glyphs that Adobe
could count on having a "fallback" substitution font for arbitrary
Unicode-based data. As such, they designed the Unicode-font support (aka
CID fonts & Identity-H) to require embedded font data.


Leonard

---------------------------------------------------------------------------
Leonard Rosenthol                   <mailto:leonardr@(protected)>
Chief Technical Officer               <http://www.pdfsages.com>
PDF Sages, Inc.                    215-938-7080 (voice)
                              215-938-0880 (fax)




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