[simonw]

This is a better link as it provides more formats, including ones that (unlike PDF) work well on mobile: https://beej.us/guide/bgc/

[krykp]

Now I am personally offended :) I kid, but I am a big fan of well formatted PDF documents. What problems would you say that trouble you in mobile? I understand the 'absolute' viewport is tiresome, but I tend to prefer the consistency at times.