<!DOCTYPE html>
<html contenteditable=true>
<script>
function main() {
    if (window.testRunner)
        testRunner.dumpAsText();
    document.execCommand("selectAll",false,null);
    document.documentElement.replaceChild(x4, document.body);
    document.execCommand("indent",false,null);
}
</script>
<body onload="main()">
<span id="x4" style="white-space: pre-line" contenteditable=false>
This tests indenting non-editable content. WebKit should not crash.