On Tue, 19 Jun 2007 14:48:00 -0400
"Greg A. Woods" <woods@planix.com> wrote:

> so only suffixes or en-
>           tire words may be replaced. 

This 2nd part is I think what confused me, as no suffix, or entire word was replaced, however I can
see the null pattern at the end of the word being replaced, as the anchoring part of the description says.