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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<script>
document.addEventListener("DOMContentLoaded", () => {
const slot = document.createElement("slot");
document.documentElement.appendChild(slot);
const anchor = document.querySelector("a[contenteditable]");
const selection = document.getSelection()
getSelection().collapse(anchor, 0);
getSelection().setBaseAndExtent(
document, 0,
document.documentElement, document.documentElement.childNodes.length
);
const range = selection.getRangeAt(0);
document.documentElement.contentEditable = true;
document.documentElement.contentEditable = false;
range.collapse(false);
getSelection().removeAllRanges();
getSelection().addRange(range);
document.documentElement.contentEditable = true;
document.execCommand("forwardDelete");
});
</script>
</head><body>
<a contenteditable></a>
</body></html>
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