On 23/07/13 10:26, Ben Finney wrote:
This is distinct from a PDF renderer, which takes the input document and parses its structure and content, but then must go further and execute the result as a program in order to render to output.

Actually that's not so clear; as I understand it, the subset of Postscript selected for PDF intentionally omits all flow control so that it is no longer Turing-complete and can be parsed and rendered without recourse to "execution" as such.


Andrew Pam <and...@sericyb.com.au>
Manager, Serious Cybernetics http://sericyb.com.au/

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