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

[Lennart Borgman]

On Fri, Dec 24, 2010 at 12:13 PM, martin rudalics <address@hidden> wrote:
>
>> With the current spelling, I read the docs like "the function caller
>> should check that the return-value of display-buffer is nil, and if it
>> is, act appropriately by creating a new frame, for example."
>
> That's a correct conclusion, indeed.  The "creating a new frame" part
> would then have to sidestep `pop-up-frame-function', obviously.

So the average programmers is supposed to know how to handle this, but
those writing for example the routines that shows a backtrace when
there is an error are not.

Why is the average programmer better at avoiding looping here?