anchor.diff:  
   == NAME
   
  -nng_http_res_set_header - set HTTP response header
  +nng_http_res_del_header - delete HTTP response header
   
   == SYNOPSIS
   
  
positive.code: = nng_http_res_set_header(3http)
  //
  // Copyright 2018 Staysail Systems, Inc. <info@staysail.tech>
  // Copyright 2018 Capitar IT Group BV <info@capitar.com>
  //
  // This document is supplied under the terms of the MIT License, a
  
negative.code: #include <nng/nng.h>
  #include <nng/supplemental/http/http.h>
  
  int nng_http_res_del_header(nng_http_res *res, const char *key);
  ----
  
  == DESCRIPTION
  