Clarify documentation of 'get-buffer-window-list'

* doc/lispref/windows.texi (Buffers and Windows): Mention that the
current window, if relevant, will be the first in the list
returned by 'get-buffer-window-list'.

* lisp/window.el (get-buffer-window-list): Doc fix.  (Bug#21305)

1 files changed, 3 insertions, 1 deletions

diff --git a/doc/lispref/windows.texi b/doc/lispref/windows.texi
index f809678f5c4..9cd59d70505 100644
--- a/doc/lispref/windows.texi
+++ b/doc/lispref/windows.texi
@@ -1984,7 +1984,9 @@ to eliminate this discrepancy.
 This function returns a list of all windows currently displaying
 @var{buffer-or-name}.  @var{buffer-or-name} should be a buffer or the
 name of an existing buffer.  If omitted or @code{nil}, it defaults to
-the current buffer.
+the current buffer.  If the currently selected window displays
+@var{buffer-or-name}, it will be the first in the list returned by
+this function.
 
 The arguments @var{minibuf} and @var{all-frames} have the same
 meanings as in the function @code{next-window} (@pxref{Cyclic Window