@riley Sure, but also the HP7475A https://shop.unigreenscheme.co.uk/other-lab-equipment/hewlett-packard-hp-7475a-desktop-6-pen-plotter-zoazd
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I seem to recall Hewlett-Packard used to make probably in the late 1980s, portable typewriter-like things with a keyboard and a roll, but instead of a printing head, a plotter capable of using four colour pens to "print" the letters typed on the keybo... -
Imagine a version of vterm that would extend the vt100 cursor control so that you could express subscripts and superscripts in something like H\e[0.5B2\e[0.5AO to produce H_2O.@riley according to Wikipedia, mintty supports SGR 73 and 74 for super and subscripts. A lot of 1980s printers supported half-line movement in some way, so I'm surprised there aren't more common codes for it.
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What would computers be like if, instead of ASCII, an Esperanto-based ESCII ENKII would have arisen as the dominant encoding?@riley it might also have resolved sooner the question of whether the "hat" on ĥ /hcircumflex goes balanced on top of the long vertical stem or lower and over the arch shape shared with "n". The typewriterists (me) would argue for the latter, but the former seems slightly more common in current typography.