bug#19461: 25.0.50; doc of `display-buffer-*' functions that take ALIST arg

[Michael Heerdegen]

Lars Ingebrigtsen <larsi@gnus.org> writes:

> > Readers might then ask why it does not use the "--" notation.
>
> And the answer is the same as with all the other internal functions
> that don't -- historical reasons.

My opinion is: when calling the function from Lisp it is internal, but
the name is public.  It would look wrong if users would have to write
"--" named functions in the ACTION argument.  So it's better to avoid
the word "internal" as in Martins suggestion.

Michael.