Update semantics

src/epub/text/colophon.xhtml

@@ -17,17 +17,17 @@
 			<p>This ebook was produced for<br/>
 			<a href="https://standardebooks.org">Standard Ebooks</a><br/>
 			by<br/>
-			<b class="name">Srijoni Sen</b>,<br/>
+			<b epub:type="z3998:personal-name">Srijoni Sen</b>,<br/>
 			and is based on a transcription produced in 2019 by<br/>
-			<b class="name">David Widger</b><br/>
+			<b epub:type="z3998:personal-name">David Widger</b><br/>
 			for<br/>
 			<a href="https://www.gutenberg.org/ebooks/58585">Project Gutenberg</a><br/>
 			and on digital scans available at the<br/>
 			<a href="https://archive.org/details/in.ernet.dli.2015.536146">Internet Archive</a>.</p>
 			<p>The cover page is adapted from<br/>
 			<i epub:type="se:name.visual-art.painting">The Arab Sage</i>,<br/>
 			a painting completed in the 19th century by<br/>
-			<b class="name">An unknown German painter</b>.<br/>
+			<b epub:type="z3998:personal-name">An unknown German painter</b>.<br/>
 			The cover and title pages feature the<br/>
 			<b epub:type="se:name.visual-art.typeface">League Spartan</b> and <b epub:type="se:name.visual-art.typeface">Sorts Mill Goudy</b><br/>
 			typefaces created in 2014 and 2009 by<br/>