# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1537711873 -7200
# Node ID 009dad867e521b6702c3c64e3ab9178b5c16e159
# Parent  368b092bf4bf24b334f510d7d8192931e562917a
util.serialization: Stricter type check

diff -r 368b092bf4bf -r 009dad867e52 util/serialization.lua
--- a/util/serialization.lua	Sat Sep 22 16:03:50 2018 +0200
+++ b/util/serialization.lua	Sun Sep 23 16:11:13 2018 +0200
@@ -142,7 +142,7 @@
 		if freeze then
 			-- opportunity to do pre-serialization
 			local mt = getmetatable(t);
-			local fr = (freeze ~= true and freeze[mt]);
+			local fr = (type(freeze) == "table" and freeze[mt]);
 			local mf = mt and mt.__freeze;
 			local tag;
 			if type(fr) == "string" then