From 5458e916ea5eb65a27e323dbb2bd9c6652a820dc Mon Sep 17 00:00:00 2001
From: Benoit Blanchon <git@benoitblanchon.fr>
Date: Sun, 23 Jul 2023 18:08:21 +0200
Subject: [PATCH] Show a link to the doc when user passes an unsupported input
 type

Ported from 7eec01cdd6fbbda41089f1fd9ecca133dd96b4c7
---
 CHANGELOG.md                               | 1 +
 src/ArduinoJson/Deserialization/Reader.hpp | 4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 148f2e19..66045814 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,3 +21,4 @@ HEAD
 * Remove `JsonVariant::shallowCopy()`
 * `JsonDocument`'s capacity grows as needed, no need to pass it to the constructor anymore
 * `JsonDocument`'s allocator is not monotonic anymore, removed values get recycled
+* Show a link to the documentation when user passes an unsupported input type
diff --git a/src/ArduinoJson/Deserialization/Reader.hpp b/src/ArduinoJson/Deserialization/Reader.hpp
index 5f18c7b3..44437686 100644
--- a/src/ArduinoJson/Deserialization/Reader.hpp
+++ b/src/ArduinoJson/Deserialization/Reader.hpp
@@ -18,7 +18,9 @@ struct Reader {
   Reader(TSource& source) : source_(&source) {}
 
   int read() {
-    return source_->read();  // Error here? You passed an unsupported input type
+    // clang-format off
+    return source_->read();  // Error here? See https://arduinojson.org/v6/invalid-input/
+    // clang-format on
   }
 
   size_t readBytes(char* buffer, size_t length) {