ediff-make-wide-display

ediff-make-wide-display is a compiled Lisp function in `ediff-wind.el'.

(ediff-make-wide-display)

Construct an alist of parameters for the wide display.
Saves the old frame parameters in `ediff-wide-display-orig-parameters'.
The frame to be resized is kept in `ediff-wide-display-frame'.
This function modifies only the left margin and the width of the display.
It assumes that it is called from within the control buffer.