bug#12833: 24.2.50; Avoid questions asked in the echo area to be overridden by messages

[Stefan Monnier]

> IIUC, in the examplified case, you mean to let-bind it in defun
> `org-read-date'?

That's one option, yes, tho doing it lower down the stack might help
make it work in more places.  E.g. you can try advising read-from-minibuffer.

> All those packages (`org.el', `help-fns.el', etc.) are out of my
> responsability area. I can't patch them all, can I?

These are just workarounds.  A real fix would need to be somewhere
probably in the C code, maybe in read-from-minibuffer.


        Stefan