SYNOPSIS
      xset [$<name>=<object>]

DESCRIPTION
      Without an argument all current variable settings will be shown and
      destructed objects removed from the list of variables.
      With argument the specified variable will be set.

EXAMPLES
      xset $deep=deepthought
      xset $xtool=$me.xtool
      xset $god=$deep
      xset $last_result=$result
      xset $3=^$1.3