Official PDF URLs for X Specs

[Chuck Robey]

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Alexander E. Patrakov wrote:

While I like chatting about this, it's just too off-topic, so in consideration
of reasonable courtesy towards the rest of this list, I'm  not going to reply
publicly on this.  Unless I get a bunch of folks telling me I'[m wrong (I'm
relatively new to the Xorg lists).  I would like to be rpoven wrong, but I don't
expect it.

> Chuck Robey wrote:
>> with PS being a real langiage, and pdf never having that capability.
> 
> IMHO, PS being a real language capable of emulating a Turing machine is a 
> critical bug, and PDF is a step in the right direction (although it also has 
> drawbacks). Reason:
> 
> The print spooler (e.g., CUPS) blindly sends the user-generated PS to the 
> printer without checking whether the program will terminate at all. Worse, it is 
> impossible to determine algorithmically. Thus, we have a DOS attack, just run 
> this command:
> 
> echo -e '%!PS\n{ } loop' | lpr
> 

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