http://qs1969.pair.com?node_id=335594


in reply to Re: Re: Thoughts on some new operators for perl (6 or 7)
in thread Thoughts on some new operators for perl (6 or 7)

But... I can't find the reference anywhere, so it could just have been a dream.
Nope. Not a dream. That's from Exegesis 7 (search the page for "heredoc").