Editorial: pref vs. pre

Section 5.1 states:

The form of that function for a type /pref:TYPE/ is:

This was initially unclear to me. I pronounce "pref" like the first 
syllable of "preference". I suggest this section should either spell out 
the entire word prefix or just use "pre" (the first syllable of the word 
prefix) instead. "pref" just doesn't say "prefix" to me. :-(

--
Elliotte Rusty Harold