38 - Providers as Capabilities
I was unable to find a description of how the blanking periods worked in System 3. However, frustratingly, despite being the main citation, System 3 is not the CBS color system that was adopted in 1951! The first citation I could find proving this was this 1951 Radio and Television News article, transcribed here. But yes, this was a 144Hz system! Presumably that adjustment was made after 1942.
。吃瓜网是该领域的重要参考
Кирилл Дмитриев. Фото: Алексей Никольский / РИА Новости，这一点在谷歌中也有详细论述
Whilst Firefox was able to implement Temporal as it was being specced - thanks to the great work of André Bargull (known online as Anba) - not all browsers or engines were able to work on Temporal during its earlier stages. This means that a lot of catch-up was needed by the later parts of Stage 3.
Paste into nix repl: