.

original commit: 8e98d4273663a0ca7c005ae170b7048da5c723f7

collects/hierlist/hierlist-unit.ss

@@ -2,7 +2,7 @@
 (module hierlist-unit mzscheme
   (import (lib "unitsig.ss")
 	  (lib "class.ss")
-	  (lib "sig.ss" "mred")
+	  (lib "mred-sig.ss" "mred")
 	  "hierlist-sig.ss")
 
   (import (lib "list.ss"))

collects/hierlist/hierlist.ss

@@ -1,7 +1,7 @@
 
 (module hierlist mzscheme
   (import (lib "unitsig.ss")
-	  (lib "sig.ss" "mred")
+	  (lib "mred-sig.ss" "mred")
 	  (lib "mred.ss" "mred"))
 
   (import "hierlist-sig.ss"

collects/mred/mred-sig.ss

@@ -0,0 +1,169 @@
+
+(module mred-sig mzscheme
+  (import (lib "unitsig.ss"))
+
+  (export mred^)
+  (define-signature
+    mred^
+    (add-color<%>
+     add-editor-keymap-functions
+     add-pasteboard-keymap-functions
+     add-text-keymap-functions
+     append-editor-font-menu-items
+     append-editor-operation-menu-items
+     area-container-window<%>
+     area-container<%>
+     area<%>
+     begin-busy-cursor
+     bell
+     bitmap%
+     bitmap-dc%
+     brush%
+     brush-list%
+     button%
+     canvas%
+     canvas<%>
+     check-box%
+     check-for-break
+     checkable-menu-item%
+     choice%
+     clipboard-client%
+     clipboard<%>
+     color%
+     color-database<%>
+     control-event%
+     control<%>
+     current-eventspace
+     current-ps-setup
+     current-text-keymap-initializer
+     cursor%
+     dc<%>
+     dialog%
+     editor-admin%
+     editor-canvas%
+     editor-data%
+     editor-data-class%
+     editor-data-class-list<%>
+     editor-set-x-selection-mode
+     editor-snip%
+     editor-snip-editor-admin<%>
+     editor-stream-in%
+     editor-stream-in-base%
+     editor-stream-in-string-base%
+     editor-stream-out%
+     editor-stream-out-base%
+     editor-stream-out-string-base%
+     editor-wordbreak-map%
+     editor<%>
+     end-busy-cursor
+     event%
+     event-dispatch-handler
+     eventspace-shutdown?
+     eventspace?
+     find-graphical-system-path
+     flush-display
+     font%
+     font-list%
+     font-name-directory<%>
+     frame%
+     gauge%
+     get-choices-from-user
+     get-color-from-user
+     get-display-depth
+     get-display-size
+     get-face-list
+     get-family-builtin-face
+     get-file
+     get-file-list
+     get-font-from-user
+     get-panel-background
+     get-ps-setup-from-user
+     get-resource
+     get-text-from-user
+     get-the-editor-data-class-list
+     get-the-snip-class-list
+     get-top-level-edit-target-window
+     get-top-level-focus-window
+     get-top-level-windows
+     get-window-text-extent
+     graphical-read-eval-print-loop
+     grow-box-spacer-pane%
+     horizontal-pane%
+     horizontal-panel%
+     image-snip%
+     is-busy?
+     is-color-display?
+     key-event%
+     keymap%
+     label->plain-label
+     labelled-menu-item<%>
+     list-box%
+     list-control<%>
+     make-eventspace
+     menu%
+     menu-bar%
+     menu-item%
+     menu-item-container<%>
+     menu-item<%>
+     message%
+     message-box
+     mouse-event%
+     ;; mred@
+     mult-color<%>
+     pane%
+     panel%
+     pasteboard%
+     pen%
+     pen-list%
+     play-sound
+     point%
+     popup-menu%
+     post-script-dc%
+     printer-dc%
+     ps-setup%
+     put-file
+     queue-callback
+     radio-box%
+     read-editor-global-footer
+     read-editor-global-header
+     region%
+     register-collecting-blit
+     scroll-event%
+     selectable-menu-item<%>
+     send-message-to-window
+     separator-menu-item%
+     sleep/yield
+     slider%
+     snip%
+     snip-admin%
+     snip-class%
+     snip-class-list<%>
+     special-control-key
+     string-snip%
+     style-delta%
+     style-list%
+     style<%>
+     subarea<%>
+     subwindow<%>
+     tab-snip%
+     text%
+     text-field%
+     the-brush-list
+     the-clipboard
+     the-color-database
+     the-editor-wordbreak-map
+     the-font-list
+     the-font-name-directory
+     the-pen-list
+     the-style-list
+     timer%
+     top-level-window<%>
+     unregister-collecting-blit
+     vertical-pane%
+     vertical-panel%
+     window<%>
+     write-editor-global-footer
+     write-editor-global-header
+     write-resource
+     yield)))
+