[texhax] PostScript output (from XeTeX)?

[James Quirk]

> PDF was originally based on the Adobe Illustrator 88 format, which was
> essentially a set of conventions and prolog procedures for PostScript.
>  However, PDF has introduced other structural components that don't
> correspond to PostScript, such as the index at the back of the file.
There's a nice piece at:

http://blogs.adobe.com/insidepdf/2007/10/pdf_by_design.html

which provides some of the thinking which led to PDF.
 
James
> 
> -pd
>