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From: Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups: comp.lang.c
Subject: Re: technology discussion =?UTF-8?B?4oaS?= does the world need a
 "new" C ?
Date: Fri, 5 Jul 2024 08:25:10 -0000 (UTC)
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On Fri, 05 Jul 2024 01:09:37 -0700, Keith Thompson wrote:

> (Ada, for example, has both arrays of arrays and multidimensional arrays
> as distinct language features, using a(i)(j) to index the former and
> a(i,j) to index the latter.)

Algol 68 had it before that. It also had a “rowing” coercion, to convert a 
value of type T to type “row of T” (as a single-element array, of course).