The word "array" occurs only once in sh.1. Therefore, either it deserves more explanation, or removal with something like the patch below.
Ross == --- sh.1.orig Thu Sep 1 10:07:22 2022 +++ sh.1 Sun Dec 18 20:47:53 2022 @@ -1390,7 +1390,7 @@ .Pp Where .Ar expression -is an integer, parameter name, or array reference, +is an integer or parameter name, optionally combined with any of the operators described below, listed and grouped according to precedence: .Bl -tag -width Ds
