format-table should not be private since ui.gadgets.grids uses it

core/io/streams/string/string.factor

@@ -26,12 +26,12 @@ M: null-encoding decode-char drop stream-read1 ;
 : map-last ( seq quot -- seq )
     >r dup length <reversed> [ zero? ] r> compose 2map ; inline
 
+PRIVATE>
+
 : format-table ( table -- seq )
     flip [ format-column ] map-last
     flip [ " " join ] map ;
 
-PRIVATE>
-
 M: growable dispose drop ;
 
 M: growable stream-write1 push ;