@deftypefun {void} {gnutls_session_force_valid} (gnutls_session_t @var{session})
@var{session}: is a @code{gnutls_session_t}  type.

Clears the invalid flag in a session. That means
that sessions were corrupt or invalid data were received 
can be re-used. Use only when debugging or experimenting
with the TLS protocol. Should not be used in typical
applications.
@end deftypefun