diff --git a/requirements.txt b/requirements.txt
index dd8b0764..8d95e80c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ configargparse>=1.2.3
 google-i18n-address>=3.0.0
 intervaltree>=3.1.0
 jinja2>=3.1.2
-lxml>=4.9.0
+lxml>=4.9.0,<5.0.0
 pycountry>=22.3.5
 pyyaml>=5.3.1
 requests>=2.5.0
diff --git a/setup.cfg b/setup.cfg
index b9dd57c4..5b7e1a82 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -39,7 +39,7 @@ install_requires = platformdirs>=3.6.0
     google-i18n-address>=3.0.0
     intervaltree>=3.1.0
     jinja2>=3.1.2
-    lxml>=4.9.0
+    lxml>=4.9.0,<5.0.0
     pycountry>=22.3.5
     pyyaml>=5.3.1
     requests>=2.5.0
diff --git a/tests/valid/docfile.html b/tests/valid/docfile.html
index cfe9c953..d9630073 100644
--- a/tests/valid/docfile.html
+++ b/tests/valid/docfile.html
@@ -4,15 +4,15 @@
 <meta charset="utf-8">
 <meta content="Cherokee,Common,Greek,Latin" name="scripts">
 <meta content="initial-scale=1.0" name="viewport">
-<title>Xml2rfc Vocabulary Version 3 Schema xml2rfc release 3.18.2</title>
+<title>Xml2rfc Vocabulary Version 3 Schema xml2rfc release 3.19.0</title>
 <meta content="xml2rfc(1)" name="author">
 <meta content="
        
        This document provides information about the XML schema implemented in this release of xml2rfc, and the individual elements of that schema.  The document is generated from the RNG schema file that is part of the xml2rfc distribution, so schema information in this document should always be in sync with the schema in actual use.  The textual descriptions depend on manual updates in order to reflect the implementation.
        
     " name="description">
-<meta content="xml2rfc 3.18.2" name="generator">
-<meta content="xml2rfc-docs-3.18.2" name="ietf.draft">
+<meta content="xml2rfc 3.19.0" name="generator">
+<meta content="xml2rfc-docs-3.19.0" name="ietf.draft">
 <link href="tests/out/docfile.xml" rel="alternate" type="application/rfc+xml">
 <link href="#copyright" rel="license">
 <link href="xml2rfc.css" rel="stylesheet">
@@ -24,7 +24,7 @@
 <thead><tr>
 <td class="left"></td>
 <td class="center">Xml2rfc Vocabulary V3 Schema</td>
-<td class="right">December 2023</td>
+<td class="right">January 2024</td>
 </tr></thead>
 <tfoot><tr>
 <td class="left">xml2rfc(1)</td>
@@ -39,7 +39,7 @@
 <dd class="workgroup">xml2rfc(1)</dd>
 <dt class="label-published">Published:</dt>
 <dd class="published">
-<time datetime="2023-12-17" class="published">17 December 2023</time>
+<time datetime="2024-01-08" class="published">8 January 2024</time>
     </dd>
 <dt class="label-authors">Author:</dt>
 <dd class="authors">
@@ -49,7 +49,7 @@
 </dd>
 </dl>
 </div>
-<h1 id="title">Xml2rfc Vocabulary Version 3 Schema<br>xml2rfc release 3.18.2</h1>
+<h1 id="title">Xml2rfc Vocabulary Version 3 Schema<br>xml2rfc release 3.19.0</h1>
 <section id="section-abstract">
       <h2 id="abstract"><a href="#abstract" class="selfRef">Abstract</a></h2>
 <p id="section-abstract-1">
@@ -371,7 +371,7 @@ <h2 id="name-introduction">
 <p id="section-1-5">
        The latest version of this documentation is available in HTML form at <span><a href="https://ietf-tools.github.io/xml2rfc/">https://ietf-tools.github.io/xml2rfc/</a></span>.<a href="#section-1-5" class="pilcrow">¶</a></p>
 <p id="section-1-6">
-            This documentation applies to xml2rfc version 3.18.2.<a href="#section-1-6" class="pilcrow">¶</a></p>
+            This documentation applies to xml2rfc version 3.19.0.<a href="#section-1-6" class="pilcrow">¶</a></p>
 </section>
 <section id="section-2">
       <h2 id="name-schema-version-3-elements">
@@ -6366,7 +6366,7 @@ <h2 id="name-xml2rfc-documentation-templ">
 <p id="appendix-D-1">
 
             The following variables are available for use in an xml2rfc
-            manpage Jinja2 template, as of xml2rfc version 3.18.2:<a href="#appendix-D-1" class="pilcrow">¶</a></p>
+            manpage Jinja2 template, as of xml2rfc version 3.19.0:<a href="#appendix-D-1" class="pilcrow">¶</a></p>
 <span class="break"></span><dl class="dlNewline" id="appendix-D-2">
         <dt id="appendix-D-2.1">{{ bare_latin_tags }}:</dt>
         <dd style="margin-left: 1.5em" id="appendix-D-2.2"></dd>
diff --git a/tests/valid/draft-miek-test.html b/tests/valid/draft-miek-test.html
index acc8a4b9..bbf5ffac 100644
--- a/tests/valid/draft-miek-test.html
+++ b/tests/valid/draft-miek-test.html
@@ -16,7 +16,7 @@
             This version is adapted to work with "xml2rfc" version 2.x.  
        
     ' name="description">
-<meta content="xml2rfc 3.18.2" name="generator">
+<meta content="xml2rfc 3.19.0" name="generator">
 <meta content="RFC" name="keyword">
 <meta content="Request for Comments" name="keyword">
 <meta content="I-D" name="keyword">
@@ -26,20 +26,20 @@
 <meta content="Extensible Markup Language" name="keyword">
 <meta content="draft-gieben-writing-rfcs-pandoc-02" name="ietf.draft">
 <!-- Generator version information:
-  xml2rfc 3.18.2
+  xml2rfc 3.19.0
     Python 3.10.12
     ConfigArgParse 1.7
     google-i18n-address 3.1.0
     intervaltree 3.1.0
     Jinja2 3.1.2
-    lxml 4.9.3
+    lxml 4.9.4
     platformdirs 4.1.0
     pycountry 23.12.11
     PyYAML 6.0.1
     requests 2.31.0
-    setuptools 68.2.2
+    setuptools 69.0.2
     six 1.16.0
-    wcwidth 0.2.12
+    wcwidth 0.2.13
     weasyprint 60.2
 -->
 <link href="tests/input/draft-miek-test.xml" rel="alternate" type="application/rfc+xml">
diff --git a/tests/valid/draft-template.html b/tests/valid/draft-template.html
index d4e245d6..668d1a70 100644
--- a/tests/valid/draft-template.html
+++ b/tests/valid/draft-template.html
@@ -11,24 +11,24 @@
        Insert an abstract: MANDATORY. This template is for creating an
       Internet Draft. 
     " name="description">
-<meta content="xml2rfc 3.18.2" name="generator">
+<meta content="xml2rfc 3.19.0" name="generator">
 <meta content="template" name="keyword">
 <meta content="draft-ietf-xml2rfc-template-05" name="ietf.draft">
 <!-- Generator version information:
-  xml2rfc 3.18.2
+  xml2rfc 3.19.0
     Python 3.10.12
     ConfigArgParse 1.7
     google-i18n-address 3.1.0
     intervaltree 3.1.0
     Jinja2 3.1.2
-    lxml 4.9.3
+    lxml 4.9.4
     platformdirs 4.1.0
     pycountry 23.12.11
     PyYAML 6.0.1
     requests 2.31.0
-    setuptools 68.2.2
+    setuptools 69.0.2
     six 1.16.0
-    wcwidth 0.2.12
+    wcwidth 0.2.13
     weasyprint 60.2
 -->
 <link href="tests/input/draft-template.xml" rel="alternate" type="application/rfc+xml">
diff --git a/tests/valid/indexes.pages.text b/tests/valid/indexes.pages.text
index 29d6bb19..ec36660c 100644
--- a/tests/valid/indexes.pages.text
+++ b/tests/valid/indexes.pages.text
@@ -3,9 +3,9 @@
 
 
 Network Working Group                                     H. Person, Ed.
-Internet-Draft                                         December 17, 2023
+Internet-Draft                                           January 8, 2024
 Intended status: Experimental                                           
-Expires: June 19, 2024
+Expires: July 11, 2024
 
 
                           xml2rfc index tests
@@ -26,11 +26,11 @@ Status of This Memo
    time.  It is inappropriate to use Internet-Drafts as reference
    material or to cite them other than as "work in progress."
 
-   This Internet-Draft will expire on June 19, 2024.
+   This Internet-Draft will expire on July 11, 2024.
 
 Copyright Notice
 
-   Copyright (c) 2023 IETF Trust and the persons identified as the
+   Copyright (c) 2024 IETF Trust and the persons identified as the
    document authors.  All rights reserved.
 
    This document is subject to BCP 78 and the IETF Trust's Legal
@@ -53,9 +53,9 @@ Table of Contents
 
 
 
-Person                    Expires June 19, 2024                 [Page 1]
+Person                    Expires July 11, 2024                 [Page 1]
 
-Internet-Draft             xml2rfc index tests             December 2023
+Internet-Draft             xml2rfc index tests              January 2024
 
 
    This is another section!
@@ -109,9 +109,9 @@ Index
 
 
 
-Person                    Expires June 19, 2024                 [Page 2]
+Person                    Expires July 11, 2024                 [Page 2]
 
-Internet-Draft             xml2rfc index tests             December 2023
+Internet-Draft             xml2rfc index tests              January 2024
 
 
       E
@@ -165,4 +165,4 @@ Author's Address
 
 
 
-Person                    Expires June 19, 2024                 [Page 3]
+Person                    Expires July 11, 2024                 [Page 3]
diff --git a/tests/valid/indexes.prepped.xml b/tests/valid/indexes.prepped.xml
index b1d048b9..42b1b3d5 100644
--- a/tests/valid/indexes.prepped.xml
+++ b/tests/valid/indexes.prepped.xml
@@ -1,6 +1,6 @@
 <?xml version='1.0' encoding='utf-8'?>
-<rfc xmlns:xi="http://www.w3.org/2001/XInclude" version="3" sortRefs="true" category="exp" submissionType="independent" ipr="trust200902" docName="indexes-00" indexInclude="true" prepTime="2023-12-17T22:39:31" scripts="Common,Latin" symRefs="true" tocDepth="3" tocInclude="true">
-  <!-- xml2rfc v2v3 conversion 3.18.2 -->
+<rfc xmlns:xi="http://www.w3.org/2001/XInclude" version="3" sortRefs="true" category="exp" submissionType="independent" ipr="trust200902" docName="indexes-00" indexInclude="true" prepTime="2024-01-08T21:32:09" scripts="Common,Latin" symRefs="true" tocDepth="3" tocInclude="true">
+  <!-- xml2rfc v2v3 conversion 3.19.0 -->
   
     
     
@@ -20,7 +20,7 @@
         </postal>
       </address>
     </author>
-    <date day="17" month="12" year="2023"/>
+    <date day="08" month="01" year="2024"/>
     <boilerplate>
       <section anchor="status-of-memo" numbered="false" removeInRFC="false" toc="exclude" pn="section-boilerplate.1">
         <name slugifiedName="name-status-of-this-memo">Status of This Memo</name>
@@ -41,13 +41,13 @@
         material or to cite them other than as "work in progress."
         </t>
         <t indent="0" pn="section-boilerplate.1-4">
-        This Internet-Draft will expire on 19 June 2024.
+        This Internet-Draft will expire on 11 July 2024.
         </t>
       </section>
       <section anchor="copyright" numbered="false" removeInRFC="false" toc="exclude" pn="section-boilerplate.2">
         <name slugifiedName="name-copyright-notice">Copyright Notice</name>
         <t indent="0" pn="section-boilerplate.2-1">
-            Copyright (c) 2023 IETF Trust and the persons identified as the
+            Copyright (c) 2024 IETF Trust and the persons identified as the
             document authors. All rights reserved.
         </t>
         <t indent="0" pn="section-boilerplate.2-2">
diff --git a/tests/valid/indexes.text b/tests/valid/indexes.text
index a9bc3bdf..86c065c4 100644
--- a/tests/valid/indexes.text
+++ b/tests/valid/indexes.text
@@ -3,9 +3,9 @@
 
 
 Network Working Group                                     H. Person, Ed.
-Internet-Draft                                         December 17, 2023
+Internet-Draft                                           January 8, 2024
 Intended status: Experimental                                           
-Expires: June 19, 2024
+Expires: July 11, 2024
 
 
                           xml2rfc index tests
@@ -26,11 +26,11 @@ Status of This Memo
    time.  It is inappropriate to use Internet-Drafts as reference
    material or to cite them other than as "work in progress."
 
-   This Internet-Draft will expire on June 19, 2024.
+   This Internet-Draft will expire on July 11, 2024.
 
 Copyright Notice
 
-   Copyright (c) 2023 IETF Trust and the persons identified as the
+   Copyright (c) 2024 IETF Trust and the persons identified as the
    document authors.  All rights reserved.
 
    This document is subject to BCP 78 and the IETF Trust's Legal
diff --git a/tests/valid/indexes.v3.html b/tests/valid/indexes.v3.html
index 76c7d8ae..6d5f71c6 100644
--- a/tests/valid/indexes.v3.html
+++ b/tests/valid/indexes.v3.html
@@ -6,7 +6,7 @@
 <meta content="initial-scale=1.0" name="viewport">
 <title>xml2rfc index tests</title>
 <meta content="Human Person" name="author">
-<meta content="xml2rfc 3.18.2" name="generator">
+<meta content="xml2rfc 3.19.0" name="generator">
 <meta content="indexes-00" name="ietf.draft">
 <link href="tests/input/indexes.xml" rel="alternate" type="application/rfc+xml">
 <link href="#copyright" rel="license">
@@ -19,11 +19,11 @@
 <thead><tr>
 <td class="left">Internet-Draft</td>
 <td class="center">xml2rfc index tests</td>
-<td class="right">December 2023</td>
+<td class="right">January 2024</td>
 </tr></thead>
 <tfoot><tr>
 <td class="left">Person</td>
-<td class="center">Expires June 19, 2024</td>
+<td class="center">Expires July 11, 2024</td>
 <td class="right">[Page]</td>
 </tr></tfoot>
 </table>
@@ -36,12 +36,12 @@
 <dd class="internet-draft">indexes-00</dd>
 <dt class="label-published">Published:</dt>
 <dd class="published">
-<time datetime="2023-12-17" class="published">December 17, 2023</time>
+<time datetime="2024-01-08" class="published">January 8, 2024</time>
     </dd>
 <dt class="label-intended-status">Intended Status:</dt>
 <dd class="intended-status">Experimental</dd>
 <dt class="label-expires">Expires:</dt>
-<dd class="expires"><time datetime="2024-06-19">June 19, 2024</time></dd>
+<dd class="expires"><time datetime="2024-07-11">July 11, 2024</time></dd>
 <dt class="label-authors">Author:</dt>
 <dd class="authors">
 <div class="author">
@@ -71,7 +71,7 @@ <h2 id="name-status-of-this-memo">
         time. It is inappropriate to use Internet-Drafts as reference
         material or to cite them other than as "work in progress."<a href="#section-boilerplate.1-3" class="pilcrow">¶</a></p>
 <p id="section-boilerplate.1-4">
-        This Internet-Draft will expire on June 19, 2024.<a href="#section-boilerplate.1-4" class="pilcrow">¶</a></p>
+        This Internet-Draft will expire on July 11, 2024.<a href="#section-boilerplate.1-4" class="pilcrow">¶</a></p>
 </section>
 </div>
 <div id="copyright">
@@ -80,7 +80,7 @@ <h2 id="name-copyright-notice">
 <a href="#name-copyright-notice" class="section-name selfRef">Copyright Notice</a>
         </h2>
 <p id="section-boilerplate.2-1">
-            Copyright (c) 2023 IETF Trust and the persons identified as the
+            Copyright (c) 2024 IETF Trust and the persons identified as the
             document authors. All rights reserved.<a href="#section-boilerplate.2-1" class="pilcrow">¶</a></p>
 <p id="section-boilerplate.2-2">
             This document is subject to BCP 78 and the IETF Trust's Legal
diff --git a/tests/valid/manpage.txt b/tests/valid/manpage.txt
index 41e0f1f3..7814dc59 100644
--- a/tests/valid/manpage.txt
+++ b/tests/valid/manpage.txt
@@ -1,10 +1,10 @@
 xml2rfc(1)                                                    xml2rfc(1)
-                                                        17 December 2023
+                                                          8 January 2024
 
 
                   Xml2rfc Vocabulary Version 3 Schema
-                         xml2rfc release 3.18.2
-                          xml2rfc-docs-3.18.2
+                         xml2rfc release 3.19.0
+                          xml2rfc-docs-3.19.0
 
 Abstract
 
@@ -54,7 +54,7 @@ Table of Contents
    The latest version of this documentation is available in HTML form at
    https://ietf-tools.github.io/xml2rfc/.
 
-   This documentation applies to xml2rfc version 3.18.2.
+   This documentation applies to xml2rfc version 3.19.0.
 
 2.  Schema Version 3 Elements
 
@@ -4319,7 +4319,7 @@ Appendix C.  xml2rfc Configuration Files
 Appendix D.  xml2rfc Documentation Template Variables
 
    The following variables are available for use in an xml2rfc manpage
-   Jinja2 template, as of xml2rfc version 3.18.2:
+   Jinja2 template, as of xml2rfc version 3.19.0:
 
    {{ bare_latin_tags }}:
 
diff --git a/tests/valid/rfc7911.html b/tests/valid/rfc7911.html
index 8062cd09..578a4cfd 100644
--- a/tests/valid/rfc7911.html
+++ b/tests/valid/rfc7911.html
@@ -16,23 +16,23 @@
       that each path is identified by a Path Identifier in addition to the
       address prefix. 
     " name="description">
-<meta content="xml2rfc 3.18.2" name="generator">
+<meta content="xml2rfc 3.19.0" name="generator">
 <meta content="7911" name="rfc.number">
 <!-- Generator version information:
-  xml2rfc 3.18.2
+  xml2rfc 3.19.0
     Python 3.10.12
     ConfigArgParse 1.7
     google-i18n-address 3.1.0
     intervaltree 3.1.0
     Jinja2 3.1.2
-    lxml 4.9.3
+    lxml 4.9.4
     platformdirs 4.1.0
     pycountry 23.12.11
     PyYAML 6.0.1
     requests 2.31.0
-    setuptools 68.2.2
+    setuptools 69.0.2
     six 1.16.0
-    wcwidth 0.2.12
+    wcwidth 0.2.13
     weasyprint 60.2
 -->
 <link href="tests/input/rfc7911.xml" rel="alternate" type="application/rfc+xml">
diff --git a/tests/valid/sourcecode.pages.text b/tests/valid/sourcecode.pages.text
index e89588d9..484cd574 100644
--- a/tests/valid/sourcecode.pages.text
+++ b/tests/valid/sourcecode.pages.text
@@ -3,9 +3,9 @@
 
 
 Network Working Group                                     H. Person, Ed.
-Internet-Draft                                         December 17, 2023
+Internet-Draft                                           January 8, 2024
 Intended status: Experimental                                           
-Expires: June 19, 2024
+Expires: July 11, 2024
 
 
                         xml2rfc sourcecode tests
@@ -26,11 +26,11 @@ Status of This Memo
    time.  It is inappropriate to use Internet-Drafts as reference
    material or to cite them other than as "work in progress."
 
-   This Internet-Draft will expire on June 19, 2024.
+   This Internet-Draft will expire on July 11, 2024.
 
 Copyright Notice
 
-   Copyright (c) 2023 IETF Trust and the persons identified as the
+   Copyright (c) 2024 IETF Trust and the persons identified as the
    document authors.  All rights reserved.
 
    This document is subject to BCP 78 and the IETF Trust's Legal
@@ -53,9 +53,9 @@ Table of Contents
 
 
 
-Person                    Expires June 19, 2024                 [Page 1]
+Person                    Expires July 11, 2024                 [Page 1]
 
-Internet-Draft          xml2rfc sourcecode tests           December 2023
+Internet-Draft          xml2rfc sourcecode tests            January 2024
 
 
    print("01")
@@ -109,9 +109,9 @@ Internet-Draft          xml2rfc sourcecode tests           December 2023
 
 
 
-Person                    Expires June 19, 2024                 [Page 2]
+Person                    Expires July 11, 2024                 [Page 2]
 
-Internet-Draft          xml2rfc sourcecode tests           December 2023
+Internet-Draft          xml2rfc sourcecode tests            January 2024
 
 
    print("49")
@@ -165,9 +165,9 @@ Internet-Draft          xml2rfc sourcecode tests           December 2023
 
 
 
-Person                    Expires June 19, 2024                 [Page 3]
+Person                    Expires July 11, 2024                 [Page 3]
 
-Internet-Draft          xml2rfc sourcecode tests           December 2023
+Internet-Draft          xml2rfc sourcecode tests            January 2024
 
 
    print("47")
@@ -221,4 +221,4 @@ Author's Address
 
 
 
-Person                    Expires June 19, 2024                 [Page 4]
+Person                    Expires July 11, 2024                 [Page 4]
diff --git a/tests/valid/sourcecode.prepped.xml b/tests/valid/sourcecode.prepped.xml
index 6c6378ba..0c020c79 100644
--- a/tests/valid/sourcecode.prepped.xml
+++ b/tests/valid/sourcecode.prepped.xml
@@ -1,6 +1,6 @@
 <?xml version='1.0' encoding='utf-8'?>
-<rfc xmlns:xi="http://www.w3.org/2001/XInclude" version="3" sortRefs="true" category="exp" submissionType="independent" ipr="trust200902" docName="sourcecode-00" prepTime="2023-12-17T22:39:39" indexInclude="true" scripts="Common,Latin" symRefs="true" tocDepth="3" tocInclude="true">
-  <!-- xml2rfc v2v3 conversion 3.18.2 -->
+<rfc xmlns:xi="http://www.w3.org/2001/XInclude" version="3" sortRefs="true" category="exp" submissionType="independent" ipr="trust200902" docName="sourcecode-00" prepTime="2024-01-08T21:32:17" indexInclude="true" scripts="Common,Latin" symRefs="true" tocDepth="3" tocInclude="true">
+  <!-- xml2rfc v2v3 conversion 3.19.0 -->
   
     
     
@@ -20,7 +20,7 @@
         </postal>
       </address>
     </author>
-    <date day="17" month="12" year="2023"/>
+    <date day="08" month="01" year="2024"/>
     <boilerplate>
       <section anchor="status-of-memo" numbered="false" removeInRFC="false" toc="exclude" pn="section-boilerplate.1">
         <name slugifiedName="name-status-of-this-memo">Status of This Memo</name>
@@ -41,13 +41,13 @@
         material or to cite them other than as "work in progress."
         </t>
         <t indent="0" pn="section-boilerplate.1-4">
-        This Internet-Draft will expire on 19 June 2024.
+        This Internet-Draft will expire on 11 July 2024.
         </t>
       </section>
       <section anchor="copyright" numbered="false" removeInRFC="false" toc="exclude" pn="section-boilerplate.2">
         <name slugifiedName="name-copyright-notice">Copyright Notice</name>
         <t indent="0" pn="section-boilerplate.2-1">
-            Copyright (c) 2023 IETF Trust and the persons identified as the
+            Copyright (c) 2024 IETF Trust and the persons identified as the
             document authors. All rights reserved.
         </t>
         <t indent="0" pn="section-boilerplate.2-2">
diff --git a/tests/valid/sourcecode.text b/tests/valid/sourcecode.text
index c09f0c9f..1aee8a53 100644
--- a/tests/valid/sourcecode.text
+++ b/tests/valid/sourcecode.text
@@ -3,9 +3,9 @@
 
 
 Network Working Group                                     H. Person, Ed.
-Internet-Draft                                         December 17, 2023
+Internet-Draft                                           January 8, 2024
 Intended status: Experimental                                           
-Expires: June 19, 2024
+Expires: July 11, 2024
 
 
                         xml2rfc sourcecode tests
@@ -26,11 +26,11 @@ Status of This Memo
    time.  It is inappropriate to use Internet-Drafts as reference
    material or to cite them other than as "work in progress."
 
-   This Internet-Draft will expire on June 19, 2024.
+   This Internet-Draft will expire on July 11, 2024.
 
 Copyright Notice
 
-   Copyright (c) 2023 IETF Trust and the persons identified as the
+   Copyright (c) 2024 IETF Trust and the persons identified as the
    document authors.  All rights reserved.
 
    This document is subject to BCP 78 and the IETF Trust's Legal
diff --git a/tests/valid/sourcecode.v3.html b/tests/valid/sourcecode.v3.html
index dd694d7a..0df7de7c 100644
--- a/tests/valid/sourcecode.v3.html
+++ b/tests/valid/sourcecode.v3.html
@@ -6,7 +6,7 @@
 <meta content="initial-scale=1.0" name="viewport">
 <title>xml2rfc sourcecode tests</title>
 <meta content="Human Person" name="author">
-<meta content="xml2rfc 3.18.2" name="generator">
+<meta content="xml2rfc 3.19.0" name="generator">
 <meta content="sourcecode-00" name="ietf.draft">
 <link href="tests/input/sourcecode.xml" rel="alternate" type="application/rfc+xml">
 <link href="#copyright" rel="license">
@@ -19,11 +19,11 @@
 <thead><tr>
 <td class="left">Internet-Draft</td>
 <td class="center">xml2rfc sourcecode tests</td>
-<td class="right">December 2023</td>
+<td class="right">January 2024</td>
 </tr></thead>
 <tfoot><tr>
 <td class="left">Person</td>
-<td class="center">Expires June 19, 2024</td>
+<td class="center">Expires July 11, 2024</td>
 <td class="right">[Page]</td>
 </tr></tfoot>
 </table>
@@ -36,12 +36,12 @@
 <dd class="internet-draft">sourcecode-00</dd>
 <dt class="label-published">Published:</dt>
 <dd class="published">
-<time datetime="2023-12-17" class="published">December 17, 2023</time>
+<time datetime="2024-01-08" class="published">January 8, 2024</time>
     </dd>
 <dt class="label-intended-status">Intended Status:</dt>
 <dd class="intended-status">Experimental</dd>
 <dt class="label-expires">Expires:</dt>
-<dd class="expires"><time datetime="2024-06-19">June 19, 2024</time></dd>
+<dd class="expires"><time datetime="2024-07-11">July 11, 2024</time></dd>
 <dt class="label-authors">Author:</dt>
 <dd class="authors">
 <div class="author">
@@ -71,7 +71,7 @@ <h2 id="name-status-of-this-memo">
         time. It is inappropriate to use Internet-Drafts as reference
         material or to cite them other than as "work in progress."<a href="#section-boilerplate.1-3" class="pilcrow">¶</a></p>
 <p id="section-boilerplate.1-4">
-        This Internet-Draft will expire on June 19, 2024.<a href="#section-boilerplate.1-4" class="pilcrow">¶</a></p>
+        This Internet-Draft will expire on July 11, 2024.<a href="#section-boilerplate.1-4" class="pilcrow">¶</a></p>
 </section>
 </div>
 <div id="copyright">
@@ -80,7 +80,7 @@ <h2 id="name-copyright-notice">
 <a href="#name-copyright-notice" class="section-name selfRef">Copyright Notice</a>
         </h2>
 <p id="section-boilerplate.2-1">
-            Copyright (c) 2023 IETF Trust and the persons identified as the
+            Copyright (c) 2024 IETF Trust and the persons identified as the
             document authors. All rights reserved.<a href="#section-boilerplate.2-1" class="pilcrow">¶</a></p>
 <p id="section-boilerplate.2-2">
             This document is subject to BCP 78 and the IETF Trust's Legal