<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Jan 27, 2016, at 8:41 AM, W.S. Hager <<a href="mailto:wshager@gmail.com" class="">wshager@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">Well, so, to continue, let's assume that there are no user-defined functions, </span></div></blockquote><br class=""></div><div>The Turing completeness of XQuery doesn’t come from the user defined functions. </div><div><br class=""></div><div>It’s intrinsic to the rest of XQuery.</div><div><br class=""></div><div>Even without user defined functions, XQuery is still Turing complete.</div><div><br class=""></div><div>Dana</div><div><br class=""></div><div><br class=""></div></body></html>