def copy( self ):
cpy = copy.copy( self )<EOL>cpy.parseAction = self.parseAction[:]<EOL>cpy.ignoreExprs = self.ignoreExprs[:]<EOL>if self.copyDefaultWhiteChars:<EOL><INDENT>cpy.whiteChars = ParserElement.DEFAULT_WHITE_CHARS<EOL><DEDENT>return cpy<EOL>
Make a copy of this C{ParserElement}.  Useful for defining different parse actions
           for the same parsing pattern, using copies of the original parse element.