private CharProperty charPropertyNodeFor(String name){
  CharProperty p=CharPropertyNames.charPropertyFor(name);
  if (p == null)   throw error("Unknown character property name {" + name + "}");
  return p;
}

private CharProperty charPropertyNodeFor ( String name ) { CharProperty p = CharPropertyNames . charPropertyFor ( name ) ; if ( p == null ) throw error ( "Unknown character property name {" + name + "}" ) ; return p ; }
returns a charproperty matching all characters in a named property .
