APEX SICILIVSQVE

http://en.wikipedia.org/wiki/Apex_%28diacritic%29

This topic came up just today in the Latinstudy Digest in the discussion of long vowels and syllable weight.

Gratias ago
a Johannes Patruus

http://tenser.typepad.com/tenser_said_the_tensor/2006/03/more_latin_orth.html