@property<EOL><INDENT>def is_xhr(self):<DEDENT>
requested_with = self.environ.get('<STR_LIT>','<STR_LIT>')<EOL>return requested_with.lower() == '<STR_LIT>'<EOL>
True if the request was triggered by a XMLHttpRequest. This only
            works with JavaScript libraries that support the `X-Requested-With`
            header (most of the popular libraries do).