The arrow on the "Edit this page" button points the wrong way in RTL environments.
It's supposed to point forward, but in Hebrew it points backwards.
The image is bg-submit-icon.png.
In general, almost all elements that convey right or left direction are almost certain candidates for flipping. ResourceLoader makes this quite easy: create an image for ltr and an image for rtl, call them bg-submit-icon-ltr.png and bg-submit-icon-rtl.png, specify bg-submit-icon-ltr.png in CSS and the rest will be magic.