From mboxrd@z Thu Jan  1 00:00:00 1970
From: doug@cs.dartmouth.edu (Doug McIlroy)
Date: Fri, 23 Oct 2015 06:59:42 -0400
Subject: [TUHS] RIP Ken Iverson
Message-ID: <201510231059.t9NAxg23001024@coolidge.cs.Dartmouth.EDU>

Dan,

I wrote:
Quiz for the occasion: which major Unix utility adopted IPL's
unprecedented expression syntax?

You correctly responded:
troff.
I suppose, in a sense, that 'dc' also fits the bill but given that that is
inherent in it's stack based nature, I doubt that is what you meant.

The notion of precedence pertains specifically to infix notation, so
postfix dc is definitely not in the running.
Idle thought about my typo: Though APL is famously inscrutable, IPL
(specifically IPL-V) outshined it in that department.

Doug