1‘visitors can tour the mill by prior arrangement’
earlier, previous, preceding, foregoing, antecedent, advance, preparatory, preliminary, initial
rare anterior, precedent
‘prior to the seventeenth century clocks were made by blacksmiths’
before, until, till, up to, previous to, earlier than, preceding, leading up to, in advance of, ahead of, ante-, pre-
We take a look at several popular, though confusing, punctuation marks.