the "Expect" header support
diff --git a/src/http/ngx_http_request.c b/src/http/ngx_http_request.c
index a42d1e2..d707e33 100644
--- a/src/http/ngx_http_request.c
+++ b/src/http/ngx_http_request.c
@@ -106,6 +106,10 @@
                  offsetof(ngx_http_headers_in_t, transfer_encoding),
                  ngx_http_process_header_line },
 
+    { ngx_string("Expect"),
+                 offsetof(ngx_http_headers_in_t, expect),
+                 ngx_http_process_unique_header_line },
+
 #if (NGX_HTTP_GZIP)
     { ngx_string("Accept-Encoding"),
                  offsetof(ngx_http_headers_in_t, accept_encoding),