Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!visix!ip2020!adamksh
From: adamksh@ip2020.Berkeley.EDU (Adam Kao (KSh))
Newsgroups: comp.lang.misc
Subject: Re: a < b < c revisited
Message-ID: <1991Apr23.151839.13663@visix.com>
Date: 23 Apr 91 15:18:39 GMT
References: <3195@enea.se> <474@data.UUCP> <3237@enea.se>
Sender: news@visix.com
Reply-To: adamksh@ip2020.Berkeley.EDU (Adam Kao (KSh))
Organization: Visix Software Inc., Reston, VA
Lines: 21

In article <3237@enea.se>, sommar@enea.se (Erland Sommarskog) writes:
|> Also sprach Ken Dickey (kend@data.UUCP):

|> >Of course, it is *much* easier to generalize a prefix grammar...

|> So how do you compactly express a < b <= c with a prefix
|> grammar?

Algebraic version:

	( <.<= a b c )

Visual version:

	( O--@ a b c )

Verbal version:

	( range-with-max a b c )

Adam