NGX_HTTP_VERSION_11   64 http/modules/ngx_http_chunked_filter_module.c         if (r->http_version < NGX_HTTP_VERSION_11) {
NGX_HTTP_VERSION_11  153 http/ngx_http_core_module.c     { ngx_string("1.1"), NGX_HTTP_VERSION_11 },
NGX_HTTP_VERSION_11 3402 http/ngx_http_core_module.c                               NGX_HTTP_VERSION_11);
NGX_HTTP_VERSION_11  607 http/ngx_http_request_body.c         || r->http_version < NGX_HTTP_VERSION_11)