bug#17718: 24.4.50; doc string of `display-buffer-alist'

[Drew Adams]

Same problem for `display-buffer-base-action':

 User-specified default action for `display-buffer'.
 It should be a cons cell (FUNCTION . ALIST), where FUNCTION is a
 function or a list of functions.  Each function should accept two
 arguments: a buffer to display and an alist similar to ALIST.
 See `display-buffer' for details.

Again, ALIST is not described, and neither is the alist that is
the second arg to FUNCTION.  And neither is FUNCTION (what it is
for, what it does with its args, etc.)

And no, just punting to "See `display-buffer' for details" does
not help.  None of this is described in its doc.  The
`display-buffer' doc sting just punts, itself, saying that it
"combines" a bunch of stuff, including `display-buffer-base-action'.