Defines page-wide attributes.

<%@ page attribute="value" ... %> 
attributes, with default values, are:
attribute = language="java" | session="true" 
| contentType=text/html;charset="ISO-8859-1" 
| import="package(s)" | buffer="8kb" 
| autoflush="true" | isThreadSafe="true" 
| info="text_string" | errorPage="relativeURL" | isErrorpage="true" | extends="class_name"

value = a string literal in single or double quotes.