postfix and postcircumfix

In "Question on your last change to S02", Larry Wall wrote:
>  (By the way, you'll note the utility of being able to talk about a
>  postfix by saying .[], which is one of the reasons we allow the optional
>  dot there. :)

Can I take this as an indication that the rules for postcircumfix
operators are an extension of the rules for postfix operators?

--
Jonathan "Dataweaver" Lang