Function: ediff-mark-diff-as-space-only
ediff-mark-diff-as-space-only is a macro defined in ediff-init.el.gz.
Signature
(ediff-mark-diff-as-space-only N FLAG)
Source Code
;; Defined in /usr/src/emacs/lisp/vc/ediff-init.el.gz
;; if flag is t, puts a mark on diff region saying that
;; the differences are in white space only. If flag is nil,
;; the region is marked as essential (i.e., differences are
;; not just in the white space and newlines.)
(defmacro ediff-mark-diff-as-space-only (n flag)
`(aset (ediff-get-difference ,n 'A) 2 ,flag))