> i'd forgotten about bright/dim blink

Everyone has... I'm not sure it's a big loss, but I found it funny to "fix" and the fun of tweaking tiny things like that lies at the core of a whole lot of terminal bikeshedding...

> i've been thinking that maybe nested tables would be better than character cells, for example, accommodating proportional fonts and multiple sizes much better

A lot of simplicity could easily go away if it's not done well, but I like the idea. I want to eventually support some limited "upgrades" in that direction, but will take some cleanup efforts before that'll be priority.