From 91ca29db9a4a4fd0eedaebcd5d5f3ba2ace5ae63 Mon Sep 17 00:00:00 2001
From: lijunlong <lijunlong@openresty.com>
Date: Thu, 1 Aug 2024 09:23:08 +0800
Subject: doc: added doc for encode_skip_unsupported_value_types.

---
 README.md | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/README.md b/README.md
index 1ab0d5a..debe1ae 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,7 @@ Table of Contents
     * [empty_array_mt](#empty_array_mt)
     * [encode_number_precision](#encode_number_precision)
     * [encode_escape_forward_slash](#encode_escape_forward_slash)
+    * [encode_skip_unsupported_value_types](#encode_skip_unsupported_value_types)
     * [decode_array_with_array_mt](#decode_array_with_array_mt)
 
 Description
@@ -171,6 +172,35 @@ If disabled, forward slash '/' will be encoded as '/' (no escape is applied).
 
 [Back to TOC](#table-of-contents)
 
+encode_skip_unsupported_value_types
+---------------------------
+**syntax:** `cjson.encode_skip_unsupported_value_types(enabled)`
+
+**default:** false
+
+If enabled, cjson will not throw exception when there are unsupported types
+in the Lua table.
+
+For example:
+
+```lua
+local ffi = require "ffi"
+local cjson = require "cjson"
+cjson.encode_skip_unsupported_value_types(true)
+local t = {key = "val"}
+
+t.cdata = ffi.new("char[?]", 100)
+print(cjson.encode(t))
+```
+
+This will generate:
+
+```json
+{"key":"val"}
+```
+
+[Back to TOC](#table-of-contents)
+
 decode_array_with_array_mt
 --------------------------
 **syntax:** `cjson.decode_array_with_array_mt(enabled)`
-- 
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