anchor.diff:  (defpackage #:cl-iup
     (:use #:cl #:cffi)
     (:export
  -;/************************************************************************/
  -;/*                        Main API                                      */
  -;/************************************************************************/
  +   ;;---------------------------------------------
  +   ;; Main API                                     
  +   ;;---------------------------------------------
      :IupOpen
      :IupClose
      :IupImageLibOpen
  
positive.code:    :IupTabsv
     :IupTree
     :IupLink
  
  ;/* Deprecated controls, use SPIN attribute of IupText */
     :IupSpin
     :IupSpinbox
  ;/* IupImage utility */
     :IupSaveImageAsText
  ;/* IupText and IupScintilla utilities */
     :IupTextConvertLinColToPos
     :IupTextConvertPosToLinCol
  ;/* IupText, IupList, IupTree, IupMatrix and IupScintilla utility */
     :IupConvertXYToPos
  ;/* IupTree utilities */
     :IupTreeSetUserId
     :IupTreeGetUserId
     :IupTreeGetId
  ;/* Deprecated IupTree utilities, use Iup*AttributeId functions */
     :IupTreeSetAttribute
     :IupTreeStoreAttribute
     :IupTreeGetAttribute
  
negative.code:    :IupLayoutDialog
     :IupElementPropertiesDialog
  
     ;;---------------------------------------------
     ;; CONSTANTS
     ;;---------------------------------------------
     ;; Common Return Values                              
     :IUP_ERROR
     :IUP_NOERROR
     :IUP_OPENED
     :IUP_INVALID
     ;;---------------------------------------------
     ;; Callback Return Values                            
     :IUP_IGNORE
     :IUP_DEFAULT
     :IUP_CLOSE
     :IUP_CONTINUE
     ;;---------------------------------------------
     ;; IupPopup and IupShowXY Parameter Values                   
     :IUP_CENTER
     :IUP_LEFT
     :IUP_RIGHT
  