Function: isearch-intersects-p

isearch-intersects-p is a byte-compiled function defined in isearch.el.gz.

Signature

(isearch-intersects-p START0 END0 START1 END1)

Documentation

Return t if regions START0..END0 and START1..END1 intersect.

Source Code

;; Defined in /usr/src/emacs/lisp/isearch.el.gz
(defun isearch-intersects-p (start0 end0 start1 end1)
  "Return t if regions START0..END0 and START1..END1 intersect."
  (or (and (>= start0 start1) (<  start0 end1))
      (and (>  end0 start1)   (<= end0 end1))
      (and (>= start1 start0) (<  start1 end0))
      (and (>  end1 start0)   (<= end1 end0))))