=item 2.
-Adding extra headers with OSSL_HTTP_REQ_CTX_add1_header(). This is optional.
+Adding extra headers with OSSL_HTTP_REQ_CTX_add1_header().
+This is optional and may be done multiple times with different names.
=item 3.
When the request context is fully prepared, the HTTP exchange may be performed
with OSSL_HTTP_REQ_CTX_nbio() or OSSL_HTTP_REQ_CTX_sendreq_d2i().
-Furthermore, all calls of OSSL_HTTP_REQ_CTX_set_request_line() and
-OSSL_HTTP_REQ_CTX_add1_header() must be done before any call to
-int OSSL_HTTP_REQ_CTX_nbio() or OSSL_HTTP_REQ_CTX_sendreq_d2i().
-
=head1 RETURN VALUES
OSSL_HTTP_REQ_CTX_new() returns a pointer to a B<OSSL_HTTP_REQ_CTX>, or NULL