Hitting Esc twice auto-completes

[smu johnson]

Hi.

If you are in regular emacs mode in Bash, and you hit Esc twice, it acts as
an auto-complete, similar to just hitting tab.

I cannot find this behaviour in any of the system wide bash defaults in
/etc, or any of my own dotfiles.

An op on Freenode.#bash confirmed it happened on his too, and he uses "GNU
bash, version 4.2.39(2)-release (i686-pc-linux-gnu)".  His is far more
recent version than mine.

Thanks in advance.


-- 
smu johnson <smujohnson@gmail.com>