From d71dcf48740406ad665e8caadd16cc9fbdce6ea3 Mon Sep 17 00:00:00 2001
From: tenplus1 <kinsellaja@yahoo.com>
Date: Fri, 19 Feb 2021 09:33:14 +0000
Subject: [PATCH] add text check for entity creation

---
 api.lua | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/api.lua b/api.lua
index 9472dac..d2a06e2 100644
--- a/api.lua
+++ b/api.lua
@@ -252,7 +252,10 @@ function signs_lib.set_obj_text(pos, text)
 	local text_ansi = Utf8ToAnsi(text)
 	local n = minetest.registered_nodes[minetest.get_node(pos).name]
 	signs_lib.delete_objects(pos)
-	signs_lib.spawn_entity(pos, signs_lib.make_sign_texture(split(text_ansi), pos) )
+	-- only create sign entity for actual text
+	if text_ansi and text_ansi ~= "" then
+		signs_lib.spawn_entity(pos, signs_lib.make_sign_texture(split(text_ansi), pos) )
+	end
 end
 
 -- rotation