macro alldef
size 18 24
next
set * ; option *; igset *
size 18 24
histogram/del * ; vector/delete *
title_global ' '
title_global ' ' U
option nbox
option ngri
set *wid 1
set csiz 0.25 ; set vsiz 0.25 ; set tsiz 0.32
set xmgl 1.2 ; set xmgr 1.2 ; set ymgu 0.5 ; set ymgl 1.5
set gsiz 0.1
set yhti 0.7
set ksiz 0.15
set mtyp 1
zone 1 1
next 
return