Macro: APPEND_OUTPUT

  #IFSAME !1 CHANNEL
    !A [] $10A |CI1 !2
    #IF !0>2
      APPEND_OUTPUT !3 !4
    #ENDIF
  #ELSE
    #IFSAME !1 DBMS IMAGE
      #IFSAME !1 IMAGE
        #IFDEF !2 // allow variable for image number
          APPEND_OUTPUT ('!1:' + string(!2)) !3 !4 !5 !6 !7 !8 !9
        #ELSE
          #SET Q$ !2.N
          !A [] $101 |CS"!1:!q" |CI2
        #ENDIF
      #ELSE
        #IFCLASS !2 "F" // if field ref, use as is
          !A [] $101 |CS"!1:!2" |CI2
        #ELSE
          #IFDEF !2 // for all classes/types, assume variable string for field ref
            APPEND_OUTPUT ('!1:' + string(!2)) !3 !4 !5 !6 !7 !8 !9
          #ELSE
            #CHECK !2 _U // force cannot be untyped error.
          #ENDIF
        #ENDIF
      #ENDIF
    #ELSE
      #CHECK !2 .
      !A [] $101 !1 |CI2
    #ENDIF
  #ENDIF