this post was submitted on 15 Jul 2026
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I personally format all comments to 80 (using vim's
gwcommand) and never touch LLMs.Why 80? It feels so restricted to have that short line.
Because long lines are bad for splits and/or vertical monitors. You don't know the viewport the code will be read in, so keeping to a conservative width is helpful. If things wrap or require scrolling, that's a lot worse for legibility, whereas having lines limited to 80 has minimal impact on legibility.