This is an unofficial snapshot of the ISO/IEC JTC1 SC22 WG21 Core Issues List revision 112c. See http://www.open-std.org/jtc1/sc22/wg21/ for the official list.
[Adopted as a DR at the November, 2019 meeting.]
According to 188.8.131.52 [temp.deduct.guide] paragraph 1, the syntax of a deduction-guide is:
Instead of explicit, this production should use the explicit-specifier nonterminal. (The wording of 184.108.40.206 [over.match.class.deduct] has references to the explicit-specifier of a deduction guide, for example.)
Proposed resolution (September, 2019):
Change the grammar in 220.127.116.11 [temp.deduct.guide] paragraph 1 as follows: