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-rw-r--r--util/json.lua4
1 files changed, 3 insertions, 1 deletions
diff --git a/util/json.lua b/util/json.lua
index becd295d..2c598446 100644
--- a/util/json.lua
+++ b/util/json.lua
@@ -145,7 +145,9 @@ end
function simplesave(o, buffer)
local t = type(o);
- if t == "number" then
+ if o == null then
+ t_insert(buffer, "null");
+ elseif t == "number" then
t_insert(buffer, tostring(o));
elseif t == "string" then
stringsave(o, buffer);