the same session id already exists, the old session is removed by calling
L<SSL_SESSION_free(3)>.
-SSL_CTX_remove_session() removes the session B<c> from the context B<ctx>.
-L<SSL_SESSION_free(3)> is called once for B<c>.
+SSL_CTX_remove_session() removes the session B<c> from the context B<ctx> and
+marks it as non-resumable. L<SSL_SESSION_free(3)> is called once for B<c>.
SSL_add_session() and SSL_remove_session() are synonyms for their
SSL_CTX_*() counterparts.