diff --git a/docs/ChangeLog.md b/docs/ChangeLog.md
index 44dac1f4..1d89e9b7 100644
--- a/docs/ChangeLog.md
+++ b/docs/ChangeLog.md
@@ -200,6 +200,7 @@
   - global: fix declaration of associative arrays for `ble-reload` (reported by 0xC0ncord) `#D1471` 3cae6e4
   - global: use a better workaround of bash-4.2 `declare -gA` by separating assignment `#D1567` 2408a20
 - bind: work around broken `cmd_xmap` after switching the editing mode `#D1478` 8d354c1
+  - decode (`encoding:C`): fix initialization for isolated ESC `#D1839` XXXXXXX
 - edit: clear graphic rendition on newlines and external commands `#D1479` 18bb2d5
 - decode (rlfunc): work around incomplete bytes in keyseq (reported by onelittlehope) `#D1483` 3559658 beb0383 37363be
 - main: fix a bug that unset `IFS` is not correctly restored `#D1489` 808f6f7
diff --git a/lib/init-bind.sh b/lib/init-bind.sh
index f6ef2436..5a90a393 100644
--- a/lib/init-bind.sh
+++ b/lib/init-bind.sh
@@ -23,6 +23,10 @@ function ble/init:bind/append-macro {
   ble/util/print "${condition}builtin bind    '${sarg//$q/$Q}'" >> "$fbind1"
   ble/util/print "${condition}builtin bind -r '${rarg//$q/$Q}'" >> "$fbind2"
 }
+function ble/init:bind/bind-s {
+  local sarg=$1
+  ble/util/print "builtin bind '${sarg//$q/$Q}'" >> "$fbind1"
+}
 
 function ble/init:bind/generate-binder {
   local fbind1=$_ble_base_cache/decode.bind.$_ble_bash.$bleopt_input_encoding.bind
diff --git a/note.txt b/note.txt
index 27723753..99545d42 100644
--- a/note.txt
+++ b/note.txt
@@ -6463,6 +6463,13 @@ bash_tips
 
 2022-07-10
 
+  * encoding:C: 初期化出来ない。大量のエラーメッセージ [#D1839]
+
+    0.2 backport 中に気づいたのだが encoding:C で既に削除された関数
+    ble/init:bind/bind-s が使われている。実際に input_encoding=C にして開始して
+    みると大量のエラーメッセージが表示されて変な文字列が入力される。
+    これは単に改めて関数を追加する事にした。
+
   * complete: zoxide completion が動かない (reported by ferdinandyb) [#D1838]
     https://github.com/akinomyoga/ble.sh/issues/207