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diff --git a/editor/libeditor/crashtests/1423776.html b/editor/libeditor/crashtests/1423776.html
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+<script>
+function onLoad() {
+ const svg = document.querySelector("svg");
+ const feConvolveMatrix = document.querySelectorAll("feConvolveMatrix");
+ // For emulating the traditional behavior, collapse Selection to end of the
+ // text node in the last <svg> which is the deepest last child of the <body>
+ // (i.e., at end of the text node after the last <feConvolveMatrix>).
+ getSelection().collapse(svg.lastChild, svg.lastChild.length);
+ feConvolveMatrix[0].addEventListener("DOMNodeInserted", () => {
+ svg.appendChild(feConvolveMatrix[1]);
+ document.execCommand("insertOrderedList", false);
+ });
+ feConvolveMatrix[0].insertAdjacentHTML(
+ "afterBegin",
+ document.querySelector("table").outerHTML
+ );
+}
+</script>
+<body onload="onLoad()">
+<table></table>
+<b contenteditable>
+<svg>
+<feConvolveMatrix/>
+<feConvolveMatrix/>
+</svg></body>