Re: Before I install Debian
On Sat, 11 Feb 2017 11:32:45 +1100
Keith Bainbridge <keithrbaugroups@gmail.com> wrote:
> Have I missed something here?
>
> .pdf files are portable, right?
>
PDF is a container format, using a Post-Script-like language. PS was
originally developed as a page description language for use with laser
printers, and PDF evolved from that.
>
> How can I as a creator specify that you as the reader MUST use a
> specific program to read them?
>
You can define new program extensions. You can't stop other writers
from reverse engineering them, but the process is inevitably one of
catch-up.
--
Joe
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