Subject: bug#28714: Shouldn't minibuffer-complete add a space after sole completions?

From: Eli Zaretskii <[email-masked]>
Date: Sat, 07 Oct 2017 10:28:11 +0300

> From: 積丹尼 Dan Jacobson
> 	<[email-masked]>
> Date: Sat, 07 Oct 2017 05:54:44 +0800
> Cc: [email-masked]
> 
> $ touch /tmp/abbbbb /tmp/abbbbbbbbbbbbbb
> Find file or URL:
>  / [self-insert-command]
>  t [self-insert-command]
>  m [self-insert-command]
>  p [self-insert-command]
>  / [self-insert-command]
>  a [self-insert-command]
>  b [self-insert-command]
>  <tab> [minibuffer-complete]
>  <tab> [minibuffer-complete]
>  b b [self-insert-command]
>  <tab> [minibuffer-complete]
>  <tab> [minibuffer-complete]
> 
> Now try the same thing in bash outside of emacs.
> 
> The user at every moment is aware how many completions there are, and it
> only takes a total of two tabs vs. four in emacs.

"M-x icomplete-mode RET", then repeat your experiment.  Which is
better now, Emacs or Bash?

And if icomplete is still not good enough, there's a plethora of
fancier completion packages out there, both bundled and unbundled.