From 6f3341e6839658e923d8ed9535371d12e7c10959 Mon Sep 17 00:00:00 2001
From: Fabian Keil <fk@fabiankeil.de>
Date: Thu, 9 Feb 2023 16:25:19 +0100
Subject: [PATCH] user-manual: Suggest to use the force-text-mode action when
 filtering binary content

... with external filters.
---
 doc/source/user-manual.sgml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/doc/source/user-manual.sgml b/doc/source/user-manual.sgml
index 11e3b0cc..ee41b2a5 100644
--- a/doc/source/user-manual.sgml
+++ b/doc/source/user-manual.sgml
@@ -4103,6 +4103,12 @@ problem-host.example.com</screen>
     linkend="external-filter-syntax">syntax</link></literal>
     may change in the future.
    </para>
+   <para>
+    If you want to apply external filters to images or other content
+    that isn't text-based, enable the
+    <literal><link linkend="force-text-mode">force-text-mode</link></literal>
+    action as well.
+   </para>
 
   </listitem>
  </varlistentry>
-- 
2.39.2