Retain sign text when editing is aborted by <esc>

diff --git a/mods/default/nodes.lua b/mods/default/nodes.lua
index 93d6981c59fb54dcaa1dd27dac84c926c52a30a3..354096e04701c64db1ecf1545207f147a36512f9 100644 (file)
--- a/mods/default/nodes.lua
+++ b/mods/default/nodes.lua
@@ -723,7 +723,7 @@ minetest.register_node("default:sign_wall", {
                        return
                end
                local meta = minetest.get_meta(pos)
-               fields.text = fields.text or ""
+               if not fields.text then return end
                minetest.log("action", (sender:get_player_name() or "").." wrote \""..fields.text..
                                "\" to sign at "..minetest.pos_to_string(pos))
                meta:set_string("text", fields.text)