Re: Does display-buffer display the buffer or not?

[martin rudalics]

>   Make buffer BUFFER-OR-NAME appear in some window but don't select it.
>   BUFFER-OR-NAME must be a buffer or the name of an existing
>   buffer.  Return the window chosen to display BUFFER-OR-NAME or
>   nil if no such window is found.
>
> I do not understand the last sentence. Could it happen that the buffer
> is not displayed?

It could happen but it's very unlikely.

> In that case, should not that be an error?

Not really since this might try to display the *Backtrace* buffer :-(

martin