;;; This Program is Clue's Grapher System.
;;;
;;; DATE : Created 2/8/'91
;;;
;;; This grapher system may run on CLUE ver 7.1 and var 7.2
;;; (In CLUE ver 7.2, some warning messages will be reported 
;;; in compiling. But there is no problem in grapher system running.)
;;;
;;; *Installation*
;;; 
;;; Please load "defsystem.lisp" and type "(load-grapher)".
;;; Then you can invoke the system by typing "(grapher <host-name>)"
;;; in "Grapher" Package.
;;;
;;; *Operation*
;;;
;;; This Grapher system has command menu.
;;; (its contents are "Add Arc", "Create", "Delete Arc", "Delete Node",
;;; "Move", Reset", "Set..."(This button of menu may generate Popup-submenu.
;;; its contest are "Set Node Label", "Set Arc Mode", and "Set Arc Lable".)
;;; , "Store", "Load", and "Quit".
;;; "Create" may Create a new node.
;;; "Move" may move a node.
;;; "Reset" may clear the current grapher data.
;;; "Set Arc Mode" may set *mode* to "display Arc's label".
;;; (Default Mode is "don't display Arc's label".
;;; This menu's button is toggle button.)
;;; "Store" may dump current grapher's data to the specified file.
;;; "Load" may load the Grapher's data from the specified file.
;;;
;;; You can use your mouse in Selection and Move operation.
;;; The selection may be specified by clicking button-1.
;;; The Move operation my specified by pressing Button-2 and releasing Button-2.
;;; (generally, this operation is called as "rubber banding".)
;;; Clicking Button-3 may be the trigger to create popup-menu that has the same contents
;;; of right-bottom corner's menu.

;;; Enjoy it !!!