Re: feature/icomplete-vertical

[Ergus]

> Not the prompt disappears, the entire text of the buffer disappears
> from view.  What is left is the text of the after-string from an
> overlay.  That's because the window-start of the mini-window is set at
> EOB of the minibuffer.
Sorry the after-string concept is not clear for me yet :( and the
documentation was not clear either, so I can't understand the issue;
that's why I didn't participate in the bug thread.