[martinced]

Same here.

80 columns-wide have another huge advantage: 3-ways merge fitting on one screen.

Even with "only" 100 columns wide it's hard to do a three-ways merge side-by-side without wrapping on a 1920x1200 screen (I basically have to temporarily use a smaller font to be able to do my three-ways merge).

[amcgregor]

I often use splits on my editors, and with 329 columns in my editor (with side-bar open) there is plenty of room. Fairly recently I was working with five simultaneous vertical splits and had no difficulty; my editor soft wrapped the few panes I wanted wrapped quite smoothly and without making the code any uglier or harder to read. While I do not agree with hard wrapping, in general, I still try to avoid run-on lines in my code, and in Python a newline is a statement separator so it's actually pretty hard to have run-on statements. (Literal definitions like lists and dictionaries can run-on, but I tend to hard wrap for SCM reasons.)