Re: [PATCH] Support "\n" in icomplete-separator

[martin rudalics]

>> If an application has a truly expandable minibuffer window or a normal 
window at its hands, it can try to show completions vertically.  With the default 
minibuffer window, it should always behave as if only one line were available.
>>
>
> Why?  The default value for max-mini-window-height is 0.25 (at least since 
Emacs 21), which means that in a default 80x24 terminal the minibuffer can be 6 
lines tall.

I explained earlier why this is not generally true.  Have a look at the
code of 'window--resize-root-window-vertically'.

martin