Added https://doi.org/10.4242/BalisageVol29.Lumley01 to the bio

index.html

@@ -191,6 +191,14 @@ <h3>iXML in papers and presentations</h3>
 Parser Generator. Presented in two halves at
 <a href="https://archive.xmlprague.cz/2020/files/xmlprague-2020-proceedings.pdf#page=243">XML Prague, 2020</a> and
 <a href="https://declarative.amsterdam/program-2020">Declarative Amsterdam, 2020</a>.</li>
+<li>Lumley, John.
+“<a href="https://www.balisage.net/Proceedings/vol29/html/Lumley01/BalisageVol29-Lumley01.html">Variations
+on an Invisible Theme: Using iXML to produce XML to produce iXML to produce
+…</a>” Presented at Balisage: The Markup Conference 2024, Washington, DC, July
+29 - August 2, 2024. In Proceedings of Balisage: The Markup Conference 2024.
+Balisage Series on Markup Technologies, vol. 29 (2024).
+<a href="https://doi.org/10.4242/BalisageVol29.Lumley01">https://doi.org/10.4242/BalisageVol29.Lumley01</a>.
+</li>
 <li>Pemberton, Steven. <a href="http://www.cwi.nl/~steven/Talks/2013/08-07-invisible-xml/invisible-xml-3.html">Invisible XML</a>:
 introduces the concepts, and develops a notation to support them.</li>
 <li>Pemberton, Steven. <a href="http://www.cwi.nl/~steven/Talks/2016/02-12-prague/data.html">Data
@@ -213,6 +221,8 @@ <h3>iXML in papers and presentations</h3>
 the Specification of Invisible XML</a>:
 describes decisions made during the production of the specification
 of ixml.</li>
+<li>Pemberton, Steven. “<a href="https://archive.xmlprague.cz/2024/files/xmlprague-2024-proceedings.pdf#page=163">Round-tripping Invisible XML</a>”, in Proc. XML Prague 2024,
+Prague, Czechia, 2024, pp 153-164, ISBN 978-80-907787-2-6.</li>
 <li>Sperberg-McQueen, C. M. “<a href="https://balisage.net/Proceedings/vol23/html/Sperberg-McQueen01/BalisageVol23-Sperberg-McQueen01.html">Aparecium:
 An XQuery / XSLT library for invisible XML.</a>” Presented at
 Balisage: The Markup Conference 2019, Washington, DC, July 30 - August
@@ -224,8 +234,6 @@ <h3>iXML in papers and presentations</h3>
 In Proceedings of Balisage: The Markup Conference 2023.
 Balisage Series on Markup Technologies, vol. 28 (2023).
 <a href="https://doi.org/10.4242/BalisageVol28.Tovey-Walsh01">https://doi.org/10.4242/BalisageVol28.Tovey-Walsh01</a>.</li>
-<li>Pemberton, Steven. “<a href="https://archive.xmlprague.cz/2024/files/xmlprague-2024-proceedings.pdf#page=163">Round-tripping Invisible XML</a>”, in Proc. XML Prague 2024,
-Prague, Czechia, 2024, pp 153-164, ISBN 978-80-907787-2-6.</li>
 </ul>
 </div>