;;;-------------------------------------------------------------------------------------------------------------------
;;; ★hvlines 动态垂直水平线
;;; By tjuzkj 明经社区分享 http://bbs.mjtd.com/thread-91313-1-1.html
;;;-------------------------------------------------------------------------------------------------------------------
(defun c:hvlines ( / *error* g1 g2 gr h l ms p p1 p2 v )
;; Lee Mac 2011
(defun *error* ( m ) (redraw) (princ))
(or *n (setq *n 3))