diff --git a/ble-core.sh b/ble-core.sh
index ddb92998..00eff47a 100755
--- a/ble-core.sh
+++ b/ble-core.sh
@@ -195,6 +195,14 @@ function ble/util/array-reverse {
   "
 }
 
+function ble/util/array-fill-range {
+  _ble_util_array_prototype.reserve $(($2-$1))
+  local _ble_script='
+    local -a sARR; sARR=("${_ble_util_array_prototype[@]::$3-$2}")
+    ARR=("${ARR[@]::$2}" "${sARR[@]/#/$4}" "${ARR[@]:$3}")'
+  builtin eval -- "${_ble_script//ARR/$1}"
+}
+
 function ble/util/declare-print-definitions {
   if [[ $# -gt 0 ]]; then
     declare -p "$@" | awk -v _ble_bash="$_ble_bash" -v OSTYPE="$OSTYPE" '
diff --git a/ble-syntax.sh b/ble-syntax.sh
index 0b66d1f7..9ef0d64f 100755
--- a/ble-syntax.sh
+++ b/ble-syntax.sh
@@ -1920,7 +1920,7 @@ function ble-syntax/parse {
   ((0<=i1&&i1<=beg&&end<=i2&&i2<=iN)) || ble-stackdump "X2 0 <= $i1 <= $beg <= $end <= $i2 <= $iN"
 #%end
 
-  ble-syntax/vanishing-word/register _ble_syntax_tree 0 i1 j2 0 i1
+  ble-syntax/vanishing-word/register _ble_syntax_tree 0 "$i1" "$j2" 0 "$i2"
 
   ble-syntax/parse/shift
 
@@ -2602,9 +2602,9 @@ function ble-highlight-layer:syntax/word/.apply-attribute {
     wbeg<wend)) || return
 
   if [[ $attr =~ ^[0-9]+$ ]]; then
-    ble-highlight-layer:syntax/fill _ble_highlight_layer_syntax2_table "$wbeg" "$wend" "$attr"
+    ble/util/array-fill-range _ble_highlight_layer_syntax2_table "$wbeg" "$wend" "$attr"
   else
-    ble-highlight-layer:syntax/fill _ble_highlight_layer_syntax2_table "$wbeg" "$wend" ''
+    ble/util/array-fill-range _ble_highlight_layer_syntax2_table "$wbeg" "$wend" ''
   fi
 }