diff --git a/01-getting-started.html b/01-getting-started.html
index 3fd6b9fa..6144b2a0 100644
--- a/01-getting-started.html
+++ b/01-getting-started.html
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                 <div class="accordion-body">
-                  <?xml version="1.0" encoding="UTF-8"?><div class="accordion accordion-flush" id="accordionFlush1">
+                  <div class="accordion accordion-flush" id="accordionFlush1">
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     <div class="accordion-header" id="flush-heading1">
-      <a href="index.html">Summary and Setup</a>
-    </div>
-    <!--/div.accordion-header-->
-  </div>
-  <!--/div.accordion-item-->
-</div>
-<!--/div.accordion-flush-->
+        <a href="index.html">Summary and Setup</a>
+    </div><!--/div.accordion-header-->
+        
+  </div><!--/div.accordion-item-->
+</div><!--/div.accordion-flush-->
 
 <div class="accordion accordion-flush" id="accordionFlushcurrent">
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         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
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   "@context": "https://schema.org",
   "@type": "TrainingMaterial",
   "@id": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/01-getting-started.html",
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   "description": "A Carpentries Lesson teaching foundational data and coding skills to researchers worldwide",
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diff --git a/02-importing-data.html b/02-importing-data.html
index a8dcee79..1966358a 100644
--- a/02-importing-data.html
+++ b/02-importing-data.html
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                 <div class="accordion-body">
-                  <?xml version="1.0" encoding="UTF-8"?><div class="accordion accordion-flush" id="accordionFlush1">
+                  <div class="accordion accordion-flush" id="accordionFlush1">
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     <div class="accordion-header" id="flush-heading1">
-      <a href="index.html">Summary and Setup</a>
-    </div>
-    <!--/div.accordion-header-->
-  </div>
-  <!--/div.accordion-item-->
-</div>
-<!--/div.accordion-flush-->
+        <a href="index.html">Summary and Setup</a>
+    </div><!--/div.accordion-header-->
+        
+  </div><!--/div.accordion-item-->
+</div><!--/div.accordion-flush-->
 
 <div class="accordion accordion-flush" id="accordionFlush2">
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         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
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 	<div id="to-top">
@@ -474,6 +472,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "@context": "https://schema.org",
   "@type": "TrainingMaterial",
   "@id": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/02-importing-data.html",
+  "inLanguage": "en",
   "dct:conformsTo": "https://bioschemas.org/profiles/TrainingMaterial/1.0-RELEASE",
   "description": "A Carpentries Lesson teaching foundational data and coding skills to researchers worldwide",
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@@ -483,7 +482,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/02-importing-data.html",
   "dateCreated": "2015-04-04",
   "dateModified": "2023-05-09",
-  "datePublished": "2023-12-19"
+  "datePublished": "2023-12-26"
 }
 
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diff --git a/03-exploring-data.html b/03-exploring-data.html
index 6459c694..a4c805e7 100644
--- a/03-exploring-data.html
+++ b/03-exploring-data.html
@@ -127,16 +127,14 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
               <div id="flush-collapseEleven" class="accordion-collapse show collapse" aria-labelledby="flush-headingEleven" data-bs-parent="#accordionFlush11">
 
                 <div class="accordion-body">
-                  <?xml version="1.0" encoding="UTF-8"?><div class="accordion accordion-flush" id="accordionFlush1">
+                  <div class="accordion accordion-flush" id="accordionFlush1">
   <div class="accordion-item">
     <div class="accordion-header" id="flush-heading1">
-      <a href="index.html">Summary and Setup</a>
-    </div>
-    <!--/div.accordion-header-->
-  </div>
-  <!--/div.accordion-item-->
-</div>
-<!--/div.accordion-flush-->
+        <a href="index.html">Summary and Setup</a>
+    </div><!--/div.accordion-header-->
+        
+  </div><!--/div.accordion-item-->
+</div><!--/div.accordion-flush-->
 
 <div class="accordion accordion-flush" id="accordionFlush2">
   <div class="accordion-item">
@@ -405,7 +403,7 @@ <h3 class="callout-title">Exercise<a class="anchor" aria-label="anchor" href="#e
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 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>For the column <code>yr</code> do <code>Facet</code> &gt;
 <code>Text facet</code>. A box will appear in the left panel showing
@@ -472,7 +470,7 @@ <h3 class="callout-title">Exercise<a class="anchor" aria-label="anchor" href="#e
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   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>Displaying a <code>Numeric facet</code> of <code>yr</code> shows a
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@@ -605,7 +603,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
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 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -618,6 +616,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "@context": "https://schema.org",
   "@type": "TrainingMaterial",
   "@id": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/03-exploring-data.html",
+  "inLanguage": "en",
   "dct:conformsTo": "https://bioschemas.org/profiles/TrainingMaterial/1.0-RELEASE",
   "description": "A Carpentries Lesson teaching foundational data and coding skills to researchers worldwide",
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@@ -627,7 +626,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2015-04-04",
   "dateModified": "2023-09-22",
-  "datePublished": "2023-12-19"
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 }
 
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diff --git a/04-transforming-data.html b/04-transforming-data.html
index 5407a449..3e3168f6 100644
--- a/04-transforming-data.html
+++ b/04-transforming-data.html
@@ -127,16 +127,14 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
               <div id="flush-collapseEleven" class="accordion-collapse show collapse" aria-labelledby="flush-headingEleven" data-bs-parent="#accordionFlush11">
 
                 <div class="accordion-body">
-                  <?xml version="1.0" encoding="UTF-8"?><div class="accordion accordion-flush" id="accordionFlush1">
+                  <div class="accordion accordion-flush" id="accordionFlush1">
   <div class="accordion-item">
     <div class="accordion-header" id="flush-heading1">
-      <a href="index.html">Summary and Setup</a>
-    </div>
-    <!--/div.accordion-header-->
-  </div>
-  <!--/div.accordion-item-->
-</div>
-<!--/div.accordion-flush-->
+        <a href="index.html">Summary and Setup</a>
+    </div><!--/div.accordion-header-->
+        
+  </div><!--/div.accordion-item-->
+</div><!--/div.accordion-flush-->
 
 <div class="accordion accordion-flush" id="accordionFlush2">
   <div class="accordion-item">
@@ -389,7 +387,7 @@ <h3 class="callout-title">Exercise<a class="anchor" aria-label="anchor" href="#e
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   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>Both new columns will appear with green text, indicating they are
 numeric. The option for <code>Guess cell type</code> allowed OpenRefine
@@ -452,7 +450,7 @@ <h3 class="callout-title">Exercise<a class="anchor" aria-label="anchor" href="#e
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>On the <code>scientificName</code> column, click the down arrow next
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@@ -493,7 +491,7 @@ <h3 class="callout-title">Exercise<a class="anchor" aria-label="anchor" href="#e
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 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>On the <code>scientificName 2</code> column, click the down arrow
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         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
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 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -650,6 +648,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "@context": "https://schema.org",
   "@type": "TrainingMaterial",
   "@id": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/04-transforming-data.html",
+  "inLanguage": "en",
   "dct:conformsTo": "https://bioschemas.org/profiles/TrainingMaterial/1.0-RELEASE",
   "description": "A Carpentries Lesson teaching foundational data and coding skills to researchers worldwide",
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   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/04-transforming-data.html",
   "dateCreated": "2015-04-04",
   "dateModified": "2023-09-23",
-  "datePublished": "2023-12-19"
+  "datePublished": "2023-12-26"
 }
 
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diff --git a/05-filter-exclude-sort.html b/05-filter-exclude-sort.html
index 5fcd79b3..403c8954 100644
--- a/05-filter-exclude-sort.html
+++ b/05-filter-exclude-sort.html
@@ -127,16 +127,14 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
               <div id="flush-collapseEleven" class="accordion-collapse show collapse" aria-labelledby="flush-headingEleven" data-bs-parent="#accordionFlush11">
 
                 <div class="accordion-body">
-                  <?xml version="1.0" encoding="UTF-8"?><div class="accordion accordion-flush" id="accordionFlush1">
+                  <div class="accordion accordion-flush" id="accordionFlush1">
   <div class="accordion-item">
     <div class="accordion-header" id="flush-heading1">
-      <a href="index.html">Summary and Setup</a>
-    </div>
-    <!--/div.accordion-header-->
-  </div>
-  <!--/div.accordion-item-->
-</div>
-<!--/div.accordion-flush-->
+        <a href="index.html">Summary and Setup</a>
+    </div><!--/div.accordion-header-->
+        
+  </div><!--/div.accordion-item-->
+</div><!--/div.accordion-flush-->
 
 <div class="accordion accordion-flush" id="accordionFlush2">
   <div class="accordion-item">
@@ -650,7 +648,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
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 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -663,6 +661,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "@type": "TrainingMaterial",
   "@id": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/05-filter-exclude-sort.html",
+  "inLanguage": "en",
   "dct:conformsTo": "https://bioschemas.org/profiles/TrainingMaterial/1.0-RELEASE",
   "description": "A Carpentries Lesson teaching foundational data and coding skills to researchers worldwide",
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@@ -672,7 +671,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2015-04-04",
   "dateModified": "2023-05-09",
-  "datePublished": "2023-12-19"
+  "datePublished": "2023-12-26"
 }
 
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diff --git a/06-reconciliation.html b/06-reconciliation.html
index 8ac1c233..59f1210e 100644
--- a/06-reconciliation.html
+++ b/06-reconciliation.html
@@ -127,16 +127,14 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
               <div id="flush-collapseEleven" class="accordion-collapse show collapse" aria-labelledby="flush-headingEleven" data-bs-parent="#accordionFlush11">
 
                 <div class="accordion-body">
-                  <?xml version="1.0" encoding="UTF-8"?><div class="accordion accordion-flush" id="accordionFlush1">
+                  <div class="accordion accordion-flush" id="accordionFlush1">
   <div class="accordion-item">
     <div class="accordion-header" id="flush-heading1">
-      <a href="index.html">Summary and Setup</a>
-    </div>
-    <!--/div.accordion-header-->
-  </div>
-  <!--/div.accordion-item-->
-</div>
-<!--/div.accordion-flush-->
+        <a href="index.html">Summary and Setup</a>
+    </div><!--/div.accordion-header-->
+        
+  </div><!--/div.accordion-item-->
+</div><!--/div.accordion-flush-->
 
 <div class="accordion accordion-flush" id="accordionFlush2">
   <div class="accordion-item">
@@ -491,7 +489,7 @@ <h3 class="callout-title">Exercise<a class="anchor" aria-label="anchor" href="#e
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>The options may be for the same place, but with different wording,
 like <code>Hernando County</code> for <code>Hernando</code>.</li>
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 <p>On the <code>scientificName</code> column, click the down arrow next
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index fa61a979..bf25a782 100644
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-                  <?xml version="1.0" encoding="UTF-8"?><div class="accordion accordion-flush" id="accordionFlush1">
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-      <a href="index.html">Summary and Setup</a>
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+<!--/div.accordion-header-->
+        
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
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   "@type": "TrainingMaterial",
   "@id": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/key-points.html",
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   "description": "A Carpentries Lesson teaching foundational data and coding skills to researchers worldwide",
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   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/key-points.html",
   "dateCreated": "2015-04-04",
-  "dateModified": "2023-12-19",
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diff --git a/pkgdown.yml b/pkgdown.yml
index 99694b46..4689343b 100644
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+last_built: 2023-12-26T00:21Z
 
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index a56de1ea..f656316e 100644
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                 <div class="accordion-body">
-                  <?xml version="1.0" encoding="UTF-8"?><div class="accordion accordion-flush" id="accordionFlush1">
+                  <div class="accordion accordion-flush" id="accordionFlush1">
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-      <a href="index.html">Summary and Setup</a>
-    </div>
-    <!--/div.accordion-header-->
-  </div>
-  <!--/div.accordion-item-->
-</div>
-<!--/div.accordion-flush-->
+        <a href="index.html">Summary and Setup</a>
+    </div><!--/div.accordion-header-->
+        
+  </div><!--/div.accordion-item-->
+</div><!--/div.accordion-flush-->
 
 <div class="accordion accordion-flush" id="accordionFlush2">
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
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   "@id": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/profiles.html",
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 }
 
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diff --git a/reference.html b/reference.html
index 6c86399d..f150fd10 100644
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                 <div class="accordion-body">
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   "@type": "TrainingMaterial",
   "@id": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/reference.html",
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