anchor.diff:  
   == Code
   
  -  unless args =~ %r{(\w+)}
  -	  return OutputEvent.new( usage() )
  -  end
  -
  -  return UnloadEnvironmentEvent.new( $1, context.user )
  +  unless argString =~ %r{(\w+)}
  +	  return MUES::OutputEvent::new( self.usage )
  +  end
  +
  +  return [UnloadEnvironmentEvent.new( $1, context.user )]
   
   
   ### List environments
  
positive.code:   end
    output << "\n"
  
    return OutputEvent.new( output )
  
negative.code: == Usage
  
    loadenv <class> [as] <name>
  
  == Abstract
  
  Create and/or load a environment object and make it available.
  
  == Description
  Creates a new environment of the specified class and associates it with the
  specified name. If there is already an environment associated with the given
  name, an error occurs.
  
  == Code
  
    results = []
  
    if argString =~ %r{(\w+)\s+(?:as\s+)?(\w+)}
  	klass = $1
  	name = $2
  
  	results <<
  		MUES::OutputEvent::new( "Attempting to load the '#{klass}' environment as '#{name}'\n" ) <<
  		MUES::LoadEnvironmentEvent::new( name, klass, context.user )
  
    else
      results << MUES::OutputEvent::new( self.usage )
    end
  
    return results
  
  
  
  ### Unload environment
  