PDF is like c++ it's used everywhere because you can do everything with it. This also leads to the problem where you can do anything with it. so each industr

PDF is like c++ it's used everywhere because you can do everything with it. This also leads to the problem where you can do anything with it. so each industry is kind of coming up with their own subset of pdf that applies some restrictions in the hopes of making them verifiable. the downside is that these subsets slowly start bloating until they allow everything anyway. i'm looking at you PDFa. grr.