On: Security Flaws in Adobe Acrobat Reader Allow Gaini...

[barkingcat]

Correct me if I'm wrong, but PDF contains a JS engine within it.

The spec is also partially used for specifying and bootstrapping a publishing and printing system on its own, so it's like JS + cups + PostScript + Unicode + font rendering all combined into one mega spec.

[namdnay → barkingcat]

Don’t forget a complete 3D rendering engine (based on u3d models)