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Initial revision

if test "$fastread" = yes; then
  echo "[$dflt]"
  ans=$dflt
else
  if test -n "$dflt"; then echo $n "[$dflt] $c"; fi
  while :; do
    read ans
    case "$ans" in
    '')
      ans="$dflt"
      break
      ;;
    !*)
      ans=`echo "$ans"|cut -c2-`
      break
      ;;
    *)
      if test -z "$rep"; then break; fi
      for i in $rep; do
        if test "$i" = "$ans"; then break 2; fi
      done
      echo $n "***  Please try something else : [$rep] $c"
      ;;
    esac
  done
fi