Is it possible to select tags from autocomplete window using keyboard?

When I begin typing the name of a tag and the autocomplete window appears, I have to switch to mouse to click on the tag I want, even though I can scroll through the list using the arrow keys. Pressing enter performs a search with the piece I have typed and no other hotkey autocompletes the tag. Am I missing something or there really is no way to do what I want?

The tab button should select the tag that you've highlighted with the arrow keys. At least that's what works for me.

Indeed it does. No idea how I managed to miss that. Thanks!

Ahah! I'd been wondering this for quite a while as well.

Beware of the implications. So try to use the autocomplete button with the mouse and the Tab Button. The first is to pin up a place in the list, the second to select the tag, to me is very useful in both ways.