* lisp/select.el (gui-get-primary-selection): In gui-get-primary-selection
use gui--selection-value-internal (Bug#20906)
(defun gui-get-primary-selection ()
"Return the PRIMARY selection, or the best emulation thereof."
- (or (gui-get-selection 'PRIMARY)
+ (or (gui--selection-value-internal 'PRIMARY)
(and (fboundp 'w32-get-selection-value)
(eq (framep (selected-frame)) 'w32)
;; MS-Windows emulates PRIMARY in x-get-selection, but only