What is the "self pragma"?

In S06, "A method's invocant always has the alias self. Other styles of self can be declared with the self pragma."

What is the self pragma, and what are other styles of self, prey tell?

--John

• What is the "self pragma"? by John M. Dlugosz
• Re: What is the "self pragma"? by Larry Wall
• Re: What is the "self pragma"? by Juerd Waalboer
• Re: What is the "self pragma"? by Mark J. Reed