method
sub_type
sub_type()
public
Returns a content type string such as "html". This method returns nil if Content-Type: header field does not exist or sub-type is not given (e.g. "Content-Type: text").
sub_type()
public
Returns a content type string such as "html". This method returns nil if Content-Type: header field does not exist or sub-type is not given (e.g. "Content-Type: text").