;;; ---------------------------------------------------------------------------
(defgeneric source-edges (vertex &optional filter)
- (:documentation "Returns a list of the source edges of `vertex`. [?? Could be a defun]."))
+ (:documentation "Returns a list of the source edges of `vertex`. I.e.,
+the edges that begin at `vertex`."))
;;; ---------------------------------------------------------------------------
(defgeneric target-edges (vertex &optional filter)
- (:documentation "Returns a list of the target edges of `vertex`. [?? Could be a defun]."))
+ (:documentation "Returns a list of the target edges of `vertex`.
+I.e., the edges that end at `vertex`."))
;;; ---------------------------------------------------------------------------
(defgeneric child-vertexes (vertex &optional filter)
- (:documentation "Returns a list of the vertexes to which `vertex` is connected by an edge and for which `vertex` is the source vertex. If the connecting edge is undirected, then the vertex is always counted as a source. [?? Could be a defun]."))
+ (:documentation "Returns a list of the vertexes to which `vertex`
+is connected by an edge and for which `vertex` is the source vertex.
+If the connecting edge is undirected, then the vertex is always
+counted as a source. [?? Could be a defun]."))
;;; ---------------------------------------------------------------------------