Function: klabel:parent-alpha

klabel:parent-alpha is a byte-compiled function defined in klabel.el.

Signature

(klabel:parent-alpha LABEL)

Documentation

Return parent label of full alpha LABEL.

Source Code

;; Defined in ~/.emacs.d/elpa/hyperbole-20260414.325/kotl/klabel.el
(defun klabel:parent-alpha (label)
  "Return parent label of full alpha LABEL."
  (cond ((or (string-equal label "0")
	     (string-equal label ""))
	 (error "(klabel:parent-alpha): 0 cell cannot have a parent"))
	((kotl-label:integer-p label)  ;; level 1 label
	 "0")
	(t (substring label 0 (- (length (klabel:to-kotl-label label)))))))