[texhax] [pdftex] image XObjects in pdfTeX or XeTeX PDF output?

Uwe Lueck uwe.lueck at web.de
Tue Nov 23 16:08:47 CET 2010

"Peter Davis" <pfd at pfdstudio.com>, 23.11.2010 14:48:53
>On Mon, Nov 22, 2010 at 10:01:47PM +0000, Karl Berry wrote:
>>     Though the character protrusion code of pdfTeX is already in XeTeX's
>>     svn repository, but I doubt that it's actually used by XeTeX.  
>> I did not actually try it, but Thanh told me that character protrusion
>> is in fact implemented in the XeTeX that is in TL 2010.  He and Jonathan
>> worked on getting it merged.
> Just to be really clear, by "character protrusion," are we talking about
> margin kerning, or what InDesign calls "optical margin alignment"?
> Also, by "font expansion," do we mean what InDesign calls "glyph scaling"?

Both "identities" are true, according to Wikipedia:


I didn't know about InDesign



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