Interesting post. I've been theorycrafting a while on making a triple spaced font: 150% for the 'w' and 'm', 50% for the 'i', '.', etc.
I've never started experimenting with it, because I think it w… ((more))
I was mostly referring to 'ﬁ' etcetera, the one's like 'æ' I have less trouble with, because of correct spelling as you pointed out wisely. I don't have a 200% width axemple at the moment, neither do… ((more))
Double acutes are okay-ish, because I'm used to them.
The single acute on the ij-glyph (top line) is viable, and I like it, but this one is a matter of taste.
Singe acute on i-j comb… ((more))