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+<script>
+window.onload = () => {
+ const font = document.querySelector("font");
+ // For emulating traditional behavior, collapse Selection to end of the
+ // text node in the <font>.
+ getSelection().collapse(font.lastChild, font.lastChild.length);
+ const meta = document.querySelector("meta");
+ meta.style.setProperty(
+ "text-decoration",
+ "overline underline line-through"
+ );
+ meta.appendChild(font);
+ document.execCommand("selectAll");
+ getSelection().extend(meta, 0);
+ document.execCommand("underline");
+}
+</script>
+<ins contenteditable>
+a
+<meta></meta>
+<font>
+</font></ins></body>