From de0036f4c113646ab7ac17ca3257206ce56b3ce6 Mon Sep 17 00:00:00 2001
From: sfan5 <sfan5@live.de>
Date: Mon, 11 Sep 2023 20:13:00 +0200
Subject: [PATCH] Document air_equivalent as deprecated

---
 doc/lua_api.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/doc/lua_api.md b/doc/lua_api.md
index 93c8989180b3..9fe54893cf92 100644
--- a/doc/lua_api.md
+++ b/doc/lua_api.md
@@ -8927,6 +8927,10 @@ Used by `minetest.register_node`.
     -- * nil: Will be treated as true if `liquidtype ~= "none"`
     --   and as false otherwise.
 
+    air_equivalent = nil,
+    -- unclear meaning, the engine sets this to true for 'air' and 'ignore'
+    -- deprecated.
+
     leveled = 0,
     -- Only valid for "nodebox" drawtype with 'type = "leveled"'.
     -- Allows defining the nodebox height without using param2.