Function: ewoc--node-prev
ewoc--node-prev is a byte-compiled function defined in ewoc.el.gz.
Signature
(ewoc--node-prev DLL NODE)
Documentation
Return the node before NODE, or nil if NODE is the first node.
Source Code
;; Defined in /usr/src/emacs/lisp/emacs-lisp/ewoc.el.gz
(defun ewoc--node-prev (dll node)
"Return the node before NODE, or nil if NODE is the first node."
(let ((L (ewoc--node-left node)))
(unless (eq dll L) L)))