I think this is fine as is: what p6 is saying is that the "declaration" in the syntax of an explicit instantiation does not define a variable, even if the syntactic "declaration" is in the syntax (it could potentially be interpreted as an ODR violation because typically a variable declaration is a definition, so this paragraph disambiguates)
-------- Original message --------
From: Vladimir Grigoriev via Std-Discussion <std-discussion@lists.isocpp.org>
Date: 8/2/19 11:31 (GMT-05:00)
To: std-discussion <std-discussion@lists.isocpp.org>
Cc: Vladimir Grigoriev <vlad.moscow@mail.ru>
Subject: [std-discussion] Ambiguity in the definitions of the explicit instantiation declaration and the explicit instantiation definition
In the p.#2 of the section 13.8.2 Explicit instantiation (C++20) there is written