Not sure if anyone would be interested in this.
I just find that the current Editor Menu is a bit more visually confusing than it has to be. I find the title to be unnecessary, and it has a line going a quarter-way across the widow. Categories are shown but they don't seem obvious enough what they are, and the close proximity to the list makes them seem horizontally misaligned. Possibly all just personal preference, but I thought I'd let mine known.
Following shows the changes. Top is how it is now with title, short rule, and Categories close to the list. Bottom is how it looks after this patch: