& valid()
 
  Syntax:  valid(name,<Name>)
 
  Returns a 1 if the specified <Name> is a valid name for an object, 
  room, exit, or player. 0 if not. Names are considered invalid if 
  they begin with certain characters like '!'.
 
  Example:
 
  > think valid(name,somename) 
  1
  > think valid(name,!test)
  0
 
	See Also: name(), @name