Use the correct overlay marker when checking after_overlay's start ins type.
also eat insertions here, but then they will overlap, and
there's not much we can do. */
stickiness = -1;
- else if (aop && XMARKER(OVERLAY_END(after_overlay))->insertion_type == 0)
+ else if (aop
+ && XMARKER (OVERLAY_START (after_overlay))->insertion_type == 0)
/* after_field is from an overlay, which expand to contain
start-insertions. */
stickiness = 1;