I've been grading academic papers for a couple of years now and I've started to see numerous patterns in spelling and grammer mistakes. Also, I've noticed that less experienced academics tend to use certain constructs that immediately raise "smells" to more experienced researchers.

I would like to automagically recognize and annotate these in PDF files. Is anyone aware of a script that I could use to automagically annotate and comment PDF files? Perhaps it's dead simple, but I feel like I'm one of the first ones to ask this question.

Programming is no problem.

regex pdf annotations comments ghostscript
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