Subject: bug#31240: 26.1; mouse-save-then-kill does not kill rectangles

From: Homeros Misasa <[email-masked]>
Date: Thu, 4 Oct 2018 11:56:03 +0900

;; This [buff]er is fo
  ;; To cr[eate] a file,

When I grab a rectangle as shown above, I cannot move the rectangle by
1 char to the left, because of usage of `rectangle-intersect-p'.
Behavior on moving up, right, and left seems good.