By default, scrolling in Emacs recenters the window when point moves off-screen, and rapid scrolling through large, heavily fontified files can introduce noticeable input lag. This article outlines configurations that make scrolling more predictable and responsive. Customizing scroll recentering Adjusting the automatic scrolling behavior can prevent Emacs from making large jumps when point moves beyond the visible portion of the window: When point moves off-screen or into the scroll margin, setting scroll-conservatively to a moderate value like 20 allows Emacs to scroll the text by up to 20 lines in either direction to bring point back into view. Note: Setting … Continue reading →