The option-key layout system was easier to memorize than the compose-key patterns, which I struggle to recall. I couldn't tell you why, I just felt like I got t

The option-key layout system was easier to memorize than the compose-key patterns, which I struggle to recall. I couldn't tell you why, I just felt like I got the hang of it easily, while using the compose key system has always been slow and clunky. I've never heard of a "level 3 shift key"; I'll have to look that up.