Apparently DrawBot does not respect PDF clip box

[roberto-arista]

Hey all!

Consider the following PDF:

irma-display-design-concept.pdf

If I open it in Preview I see:

If I use it in DrawBot instead:

PDF width and height from imageSize are correct, so I was able to clip it myself.

[typemytype]

DrawBot has issues with producing pdf with crop, bleeds see #304

There is no check if the incoming pdf data has any of those...