A great idea, and a very useful add-on! Bewertet mit 5 von 5 Sternen

A real time-saver for people who make minor Wikipedia edits. Once you've selected some text in a Wikipedia article, just press Ctrl+E (Windows, Linux) or Command+E (Mac) and a small editor window appears with that text. Make your edit, click OK, and your change immediately appears in the article. Great!

Note: In the extension's Options, the (changeable) key combination appears as "accel-e". The developer explains why, below.

Diese Bewertung wurde für eine vorherige Version des Add-ons (0.6.4) abgegeben. 

accel

This is to make it platform-neutral. Windows and Linux have a control-key, Mac has an command-key. accel is for using control or command key, whichever exists on the computer.
Don't ask me why it's named like this, it is named like this by Mozilla in the API.