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!! add help to a series of exercise of a sheet
!!
!default step=0
!default picksheet=1
!bound note between 0 and 10 default 10
sheets=
!for i=1 to $sheettot
sh=!record $i of wimshome/log/classes/$wims_class/sheets/.sheets
!distribute lines $sh into a_,t_,title
nb=!recordcnt wimshome/log/classes/$wims_class/sheets/.sheet$i
!if $nb>0
sheets=!append line $i,$nb,$title to $sheets
!endif
!next i
sheetcnt=!linecnt $sheets
lnumsheet=!column 1 of $sheets
!if $step=0
!ifval $sheetcnt=0
error=no_sheet
!exit
!endif
!bound picksheet within $lnumsheet default $(lnumsheet[1])
!exit
!endif
!if $step=1
!bound picksheet within $lnumsheet default 0
!bound exo between 1 and $nb default 0
!ifval $exo*$picksheet=0
error=bad_exo
!exit
!endif
update_field=9
t=cmd=new
!if $t notin $iniparm
update_content=module=$dir&$iniparm&cmd=new,$note
!else
update_content=module=$dir&$iniparm,$note
!endif
sheet=$picksheet
!read adm/class/update.exo
title=!module title $dir
desc=!module description $dir
!endif