[ESS-bugs] Completions buffer remains open

[Leon Baum]

Hello,

I've noticed that whenever I use tab-completion with ESS the completions
buffer will remain open after I have either completed a command or
continued typing something else.

Whenever I use tab-completion to open files in Emacs or with other
modes, the completions buffer will always automatically close. Shouldn't
ESS completions buffers do the same?

-Leon