add missing pure property to docs for PreListener. (no longer TODO: from previous commit, there is nothing to be done here (half for the HUGE headache doing this causes, and also because it actually introduces 'more' ambiguity in the silly rare circumstances where it makes a difference)
add missing pure property to docs for PreListener. (no longer TODO: from previous commit, there is nothing to be done here (half for the HUGE headache doing this causes, and also because it actually introduces 'more' ambiguity in the silly rare circumstances where it makes a difference)

deltaluca/nape,deltaluca/nape,deltaluca/nape