Alisdair Meredith. Mandating Annex D. https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2023/p2874r2.pdf.

Eric Niebler. High-quality sender diagnostics with constexpr exceptions. https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2025/p3557r3.html.