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Document that write_json will error on unserializable types. (#5539)

Previously it was erroneously documented that it would save them as null.
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raymoo authored and nerzhul committed Apr 8, 2017
1 parent 8c8333b commit fb4c730708a4140f05d2161c27e6c58bb0f72a9b
Showing with 2 additions and 2 deletions.
  1. +1 −1 doc/client_lua_api.md
  2. +1 −1 doc/lua_api.txt
@@ -712,7 +712,7 @@ Call these functions only at load time!
* `minetest.write_json(data[, styled])`: returns a string or `nil` and an error message
* Convert a Lua table into a JSON string
* styled: Outputs in a human-readable format if this is set, defaults to false
* Unserializable things like functions and userdata are saved as null.
* Unserializable things like functions and userdata will cause an error.
* **Warning**: JSON is more strict than the Lua table format.
1. You can only use strings and positive integers of at least one as keys.
2. You can not mix string and integer keys.
@@ -2709,7 +2709,7 @@ These functions return the leftover itemstack.
* `minetest.write_json(data[, styled])`: returns a string or `nil` and an error message
* Convert a Lua table into a JSON string
* styled: Outputs in a human-readable format if this is set, defaults to false
* Unserializable things like functions and userdata are saved as null.
* Unserializable things like functions and userdata will cause an error.
* **Warning**: JSON is more strict than the Lua table format.
1. You can only use strings and positive integers of at least one as keys.
2. You can not mix string and integer keys.

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