Re: Emacs completion matches selection UI

[Juri Linkov]

> Many people access `previous-history-element' in the minibuffer through
> the up arrow, so I hope it is not commandeered for this purpose.  Instead,
> what about entering the mode from the minibuffer via C-f and right arrow,
> but only when the point is at the minibuffer's point-max (i.e. when
> `forward-char' would currently complain "End of buffer")?  Besides being
> less disruptive for users than changing the behavior of <Up>, using
> C-f/<right> for this purpose has the mnemonic benefit of suggesting
> "go beyond what I've typed".  WDYT?

The web browsers solve this problem by combining completions for
history and suggestions in the same list (separated by a horizontal line).
With history elements displayed in the *Completions* buffer you can use
the same up and down arrows to access them.