diff --git a/ble-core.sh b/ble-core.sh
index a114212c..05e78ab9 100644
--- a/ble-core.sh
+++ b/ble-core.sh
@@ -523,8 +523,6 @@ fi
 ##   @param[in] command...
 ##     実行するコマンドを指定します。
 ##
-_ble_util_read_stdout_tmp="$_ble_base_run/$$.ble_util_assign.tmp"
-
 _ble_util_assign_base=$_ble_base_run/$$.util.assign.tmp
 _ble_util_assign_level=0
 if ((_ble_bash>=40000)); then
@@ -568,7 +566,7 @@ else
     local _ble_local_ret=$?
     TMOUT= IFS= builtin read -r -d '' "$1" < "$_ble_local_tmpfile"
     ble/util/assign/.rmtmp
-    builtin eval "$1=\${$1%$_ble_term_nl}"
+    builtin eval "$1=\${$1%\$_ble_term_nl}"
     return "$_ble_local_ret"
   }
 fi
diff --git a/ble-decode.sh b/ble-decode.sh
index 6bd44817..744e2f07 100644
--- a/ble-decode.sh
+++ b/ble-decode.sh
@@ -1743,7 +1743,7 @@ function ble-decode-bind/.generate-source-to-unbind-default/.process {
 
 function ble-decode/bind {
   local file=$_ble_base_cache/ble-decode-bind.$_ble_bash.$bleopt_input_encoding.bind
-  [[ -s $file &&  $file -nt $_ble_base/bind.sh ]] || source "$_ble_base/bind.sh"
+  [[ -s $file && $file -nt $_ble_base/bind.sh ]] || source "$_ble_base/bind.sh"
 
   # * 一時的に 'set convert-meta off' にする。
   #
diff --git a/ble-edit.sh b/ble-edit.sh
index 77766ecc..e5f4f7b8 100644
--- a/ble-edit.sh
+++ b/ble-edit.sh
@@ -723,7 +723,7 @@ function ble-edit/draw/trace/process-csi-sequence {
       # HVP "CSI f"
       local -a params
       ble/string#split-words params "${param//[^0-9]/ }"
-      params=("${params[@]/#/10#}")
+      params=("${params[@]/#/10#0}")
       ((x=params[1]-1))
       ((y=params[0]-1))
       ((x<0&&(x=0),x>=cols&&(x=cols-1),
@@ -7194,7 +7194,7 @@ function ble-edit/bind/.check-detach {
       ble/textarea#render
       ble/util/buffer.flush >&2
       if ((_ble_bash>=40000)); then
-        READLINE_LINE=' stty sane;' READLINE_POINT=10
+        READLINE_LINE=' stty sane;' READLINE_POINT=11
         printf %s "$READLINE_LINE"
       fi
     fi
diff --git a/ble.pp b/ble.pp
index 6dbafe68..a0dcbec0 100644
--- a/ble.pp
+++ b/ble.pp
@@ -52,7 +52,7 @@
 _ble_bash=$((BASH_VERSINFO[0]*10000+BASH_VERSINFO[1]*100+BASH_VERSINFO[2]))
 
 if [ "$_ble_bash" -lt 30000 ]; then
-  unset _ble_bash
+  unset -v _ble_bash
   echo "ble.sh: bash with a version under 3.0 is not supported." >&2
   return 1 2>/dev/null || exit 1
 fi
@@ -67,21 +67,24 @@
 esac
 
 if ((BASH_SUBSHELL)); then
+  unset -v _ble_bash
   builtin echo "ble.sh: ble.sh cannot be loaded into a subshell." >&2
   return 1 2>/dev/null || builtin exit 1
 elif [[ $- != *i* ]]; then
+  unset -v _ble_bash
   case " ${BASH_SOURCE[*]##*/} " in
   (*' .bashrc '* | *' .bash_profile '* | *' .profile '* | *' bashrc '* | *' profile '*) false ;;
   esac  &&
     builtin echo "ble.sh: This is not an interactive session." >&2 || ((1))
   return 1 2>/dev/null || builtin exit 1
 elif ! [[ -t 0 && -t 1 ]]; then
+  unset -v _ble_bash
   builtin echo "ble.sh: cannot find the correct TTY/PTY in this session." >&2
   return 1 2>/dev/null || builtin exit 1
 fi
 
 if [[ -o posix ]]; then
-  unset _ble_bash
+  unset -v _ble_bash
   echo "ble.sh: ble.sh is not intended to be used in bash POSIX modes (--posix)." >&2
   return 1 2>/dev/null || exit 1
 fi
@@ -117,13 +120,13 @@ function ble/restore-bash-options {
 
 bind &>/dev/null # force to load .inputrc
 if [[ ! -o emacs && ! -o vi ]]; then
-  unset _ble_bash
+  unset -v _ble_bash
   echo "ble.sh: ble.sh is not intended to be used with the line-editing mode disabled (--noediting)." >&2
   return 1
 fi
 
 if shopt -q restricted_shell; then
-  unset _ble_bash
+  unset -v _ble_bash
   echo "ble.sh: ble.sh is not intended to be used in restricted shells (--restricted)." >&2
   return 1
 fi
diff --git a/cmap/default.sh b/cmap/default.sh
index 0d606f88..33d6f7fc 100644
--- a/cmap/default.sh
+++ b/cmap/default.sh
@@ -81,6 +81,7 @@ function ble-bind-function-key+default {
   # ble-bind --csi '6~' next
 
   # 順番を固定
+  local ret
   ble-decode-kbd/.gen-keycode insert
   ble-decode-kbd/.gen-keycode home
   ble-decode-kbd/.gen-keycode prior
diff --git a/test/benchmark/benchmark-array-is-array.sh b/test/benchmark/benchmark-array-is-array.sh
index 9a8cdc76..e6df2a14 100644
--- a/test/benchmark/benchmark-array-is-array.sh
+++ b/test/benchmark/benchmark-array-is-array.sh
@@ -35,8 +35,8 @@ ble-measure 'ble/is-array2 arr'  # 1439.90 usec/eval
 # 3 compgen -A arrayvar を用いる方法 (完全)
 
 function ble/is-array3 {
-  compgen -A arrayvar "$1" >| "$_ble_util_read_stdout_tmp" 2>/dev/null || return 1
-  local REPLY; read -r < "$_ble_util_read_stdout_tmp"
+  compgen -A arrayvar "$1" >| "$_ble_util_assign_base" 2>/dev/null || return 1
+  local REPLY; read -r < "$_ble_util_assign_base"
   [[ $REPLY == "$1" ]]
 }