From e49ecd955a52a95d3c1deaecdeddd26ad2779206 Mon Sep 17 00:00:00 2001
From: crowne <crow.neil@gmail.com>
Date: Thu, 11 Jul 2024 18:56:34 +0100
Subject: [PATCH] Improve add_header documentation

---
 xml/en/docs/http/ngx_http_headers_module.xml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/xml/en/docs/http/ngx_http_headers_module.xml b/xml/en/docs/http/ngx_http_headers_module.xml
index b4374c76..800faed8 100644
--- a/xml/en/docs/http/ngx_http_headers_module.xml
+++ b/xml/en/docs/http/ngx_http_headers_module.xml
@@ -72,6 +72,10 @@ If the <literal>always</literal> parameter is specified (1.7.5),
 the header field will be added regardless of the response code.
 </para>
 
+<para>
+The add_header directive will not generate a header if the value provided is an empty string.
+</para>
+
 </directive>