ewoc--insert-new-node
ewoc--insert-new-node is a compiled Lisp function in `ewoc.el
'.
(ewoc--insert-new-node NODE DATA PRETTY-PRINTER DLL)
Insert before NODE a new node for DATA, displayed by PRETTY-PRINTER.
Fourth arg DLL -- from `(ewoc--dll EWOC)' -- is for internal purposes.
Call PRETTY-PRINTER with point at NODE's start, thus pushing back
NODE and leaving the new node's start there. Return the new node.