also-notify - how long should it take?

[Jim Reid]

     > After a lot of searching, I finally got the also-notify syntax
     > down (boy, this could be documented better - all I can find is
     > a one sentence blurb in the CHANGES file in 8.2.2p5
     > distribution and finally tracked down a clarification from
     > Barry in this newsgroup on the syntax).

You didn't look very hard. Did you try unpacking the doc
tarball? [Hint: doc is an abbreviation for documentation.]
The html directory contains HTML pages that describe the 
syntax and meaning of all the features of named.conf.