[fsckboy]

i don't think that guideline is correct, it's

"the shorter your line lengths, the less your eye has to travel to get back to the left margin, the quicker and more error free you'll find the next line"

and no similar idea occurs vertically, save that it is already mediated by vertical section markers. (I very frequently wish that hitting page down would show me a distict mark where the previous bottom of screen is now)

[eviks]

Maybe, though I've also read fundmentals care about eye strain, where distance could matter?

> hitting page down would show me a distict mark where the previous bottom of screen is now)

For a literal page down the last line would literally become the first line, but yeah, that's the mark/animation that could be useful for when it's not a page

[fsckboy]

no, for a literal page down, the first line on the next screen would become the new first line, with zero of the previous page still visible (which would be perfectly fine with me, I simply would like either that everything work the same way, or I get a visual indication of what just happened so I don't need to hunt for where to continue reading