对于 Protobuf 的介绍和原理，可以参考前文 juejin.cn/post/757536…
// ⚠️ 易错点5：循环范围写错（比如i<right或ileft），导致最值计算不全
，这一点在91视频中也有详细论述
Credit: Samsung
For example, using DECSTBM you could say “set the top margin to line 5 and the bottom margin to line 10, then scroll up 1” - this “scrolls” the region you’ve described by deleting line 5, shifting everything else in the region up by 1 line, and inserting a new line at line 10.