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.
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，详情可参考同城约会
Notice the block [anyVar] is used to reference variables where the configuration block should be applied. This avoids raw strings for variable names and keeps these configs friendly to development tools:，这一点在谷歌浏览器【最新下载地址】中也有详细论述
if (n <= 1) return;