paredit/slurp-forward-fully throws when slurping into an empty seq that is last item with a seq

[lread]

Version
1.1.49

Platform
All

Symptom
paredit/slurp-forward-fully throws when slurping into an empty seq that is the last item within a seq

Reproduction

(def zloc (-> "[[1 []] 3 4]"
              z/of-string
              z/down
              z/down
              z/rightmost))

;; double-check we are where we think we are
(z/string zloc)
;; => "[]"

(-> zloc
    pe/slurp-forward-fully
    z/root-string)

Actual behavior

;; => Execution error (NullPointerException) at rewrite-clj.paredit/slurp-forward-fully (paredit.cljc:265).
;;    Cannot invoke "Object.getClass()" because "x" is null

Expected behavior

[[1 [3 4]]]

(and we should be located at node 3)

Diagnosis
Working on it.

Action
Working on it.