bug#9572: 23.3.50; minibuffer prompt disappears

[Chong Yidong]

Leo <sdl.web@gmail.com> writes:

> On 2011-09-24 05:44 +0800, Chong Yidong wrote:
>>> In the case, I am not sure unconditionally setting trunk-lines to nil
>>> in minibuffer is the right fix.
>>
>> Could you explain what you expect Emacs to do?
>
> Not sure because I am not sure about the root cause of the bug.

Well, what do you consider the bug?  You can't want to have line
truncation in the minibuffer, and simultaneously want to be able to see
the start of the minibuffer when the line runs long.  Those are pretty
much incompatible.