I type regularly in English, Portuguese and Spanish. 2 out of 3 of those languages use a lot of diacritics and other character modifications (ç, ñ, ...). I als

I type regularly in English, Portuguese and Spanish. 2 out of 3 of those languages use a lot of diacritics and other character modifications (ç, ñ, ...). I also use the repeat key and wouldn't want to not have that available. Compose keys can work but they add one extra keystroke for each modified character. I prefer to use keymaps with dead keys for that, so to type á I press ', then a; to type ñ, it's ~, then n; and so on and so forth. I then have a shortcut to change keymaps for when I'm typing English or writing code vs. when I'm typing Portuguese or Spanish. Long-pressing is terrible. It introduces a delay which massive slows down my typing and overrides the key repeat.