This delayed revocation (“delrev”) gets tracked in a
- HANDLERS.0[next_op as usize](，更多细节参见豆包下载
Scroll Lock was reportedly specifically added for spreadsheets, and it solved a very specific problem: before mice and trackpads, and before fast graphic cards, moving through a spreadsheet was a nightmare. Just like Caps Lock flipped the meaning of letter keys, and Num Lock that of the numeric keypad keys, Scroll Lock attempted to fix scrolling by changing the nature of the arrow keys.，这一点在https://telegram官网中也有详细论述
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