From 55456dbc1e0f22af1a77aba659d48d0d2381094d Mon Sep 17 00:00:00 2001
From: vaw <git@nlih.de>
Date: Sat, 13 Sep 2025 20:38:47 +0000
Subject: [PATCH] Treat unknown html tags as plain text (#509)

---
 src/message/html.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/message/html.rs b/src/message/html.rs
index d2b40ae..1aa1fd6 100644
--- a/src/message/html.rs
+++ b/src/message/html.rs
@@ -820,7 +820,8 @@ fn h2t(hdl: &Handle, state: &mut TreeGenState) -> StyleTreeChildren {
                     *c2t(&node.children.borrow(), state)
                 },
 
-                _ => return vec![],
+                // Treat unknown tags as plain text.
+                _ => *c2t(&node.children.borrow(), state),
             }
         },