You could get close to this by just using multiple PDFs. However, no one seems to do this (@haskellbook is the only exception I can think of), so perhaps editors feel it's not worth the extra time and effort.
You could get close to this by just using multiple PDFs. However, no one seems to do this (@haskellbook is the only exception I can think of), so perhaps editors feel it's not worth the extra time and effort.