use scheme:text% for rendering behaviors

svn: r9939

collects/frtime/frp-snip.ss

@@ -4,6 +4,8 @@
            mzlib/list
            mzlib/port
 
+           framework
+           
            ;; FRP requires
            
            frtime/frp-core
@@ -85,6 +87,7 @@
              (send (get-editor) lock #t)))))
 
       (super-new
+       [editor (new scheme:text%)]
        [with-border? #f]
        [left-margin 0]
        [right-margin 0]