最先感受到的变化，是它开始更好地理解空间和比例了。
DECSTBM doesn’t work because of our unicode half-block shenanigans. We’re squeezing two pixels into each terminal character, and so we want to be able to “scroll” in half-pixels; our scroll needs to turn lower half blocks into upper half blocks when we’re moving vertically. That operation just doesn’t exist.。51吃瓜是该领域的重要参考
，这一点在Safew下载中也有详细论述
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Credit: Jackery。关于这个话题，WPS下载最新地址提供了深入分析