diff --git a/01-introduction.html b/01-introduction.html
index c297d57..b0ee0ed 100644
--- a/01-introduction.html
+++ b/01-introduction.html
@@ -579,7 +579,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-03-26"
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diff --git a/02-importing-data.html b/02-importing-data.html
index fbb339f..b1146ad 100644
--- a/02-importing-data.html
+++ b/02-importing-data.html
@@ -545,7 +545,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
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+  "datePublished": "2024-04-02"
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diff --git a/03-working-with-data.html b/03-working-with-data.html
index 7e0e891..3934fa8 100644
--- a/03-working-with-data.html
+++ b/03-working-with-data.html
@@ -534,7 +534,7 @@ <h3 class="callout-title">Splitting Subjects into separate cells<a class="anchor
 <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 subject words/headings are divided up with the pipe ( | )
 character</li>
@@ -563,7 +563,7 @@ <h3 class="callout-title">Joining the Subjects column back together<a class="anc
 <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">
 <ol style="list-style-type: decimal"><li>The subject words/headings were previously delimited with the pipe (
 | ) character</li>
@@ -658,7 +658,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-03-26"
+  "datePublished": "2024-04-02"
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diff --git a/04-faceting-and-filtering.html b/04-faceting-and-filtering.html
index 0e3b1e9..2708a36 100644
--- a/04-faceting-and-filtering.html
+++ b/04-faceting-and-filtering.html
@@ -446,7 +446,7 @@ <h3 class="callout-title">Which licences are used for articles in this
 <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" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>Create a facet for the ‘Licence’ column</li>
 <li>Sort values by <code>count</code>
@@ -538,7 +538,7 @@ <h3 class="callout-title">Find all publications without a DOI<a class="anchor" a
 <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" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>On the <code>DOI</code> column drop down and select
 <code>Facets &gt; Customized facets &gt; Facet by blank</code>
@@ -581,7 +581,7 @@ <h3 class="callout-title">Correct the Language values via a facet<a class="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Show me the solution</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>Create a Text facet on the Language column</li>
 <li>Notice that there is both <code>EN</code> and
@@ -671,7 +671,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-03-26"
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/05-clustering.html b/05-clustering.html
index 707ab29..93fcee5 100644
--- a/05-clustering.html
+++ b/05-clustering.html
@@ -491,7 +491,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://preview.carpentries.org/lc-open-refine/05-clustering.html",
   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-03-26"
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/06-working-with-columns.html b/06-working-with-columns.html
index 63dfba4..bd94d8f 100644
--- a/06-working-with-columns.html
+++ b/06-working-with-columns.html
@@ -478,7 +478,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://preview.carpentries.org/lc-open-refine/06-working-with-columns.html",
   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-03-26"
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/07-introduction-to-transformations.html b/07-introduction-to-transformations.html
index 38b8b3b..5bba1d8 100644
--- a/07-introduction-to-transformations.html
+++ b/07-introduction-to-transformations.html
@@ -510,7 +510,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-03-26"
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/08-writing-transformations.html b/08-writing-transformations.html
index 40ce243..79018e2 100644
--- a/08-writing-transformations.html
+++ b/08-writing-transformations.html
@@ -498,7 +498,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-03-26"
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/09-undo-and-redo.html b/09-undo-and-redo.html
index ac428bb..3a6f53c 100644
--- a/09-undo-and-redo.html
+++ b/09-undo-and-redo.html
@@ -476,7 +476,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-03-26"
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/10-data-transformation.html b/10-data-transformation.html
index 1848b62..53b251e 100644
--- a/10-data-transformation.html
+++ b/10-data-transformation.html
@@ -613,7 +613,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-03-26"
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/11-using-arrays-transformations.html b/11-using-arrays-transformations.html
index 18deda1..a42dc3e 100644
--- a/11-using-arrays-transformations.html
+++ b/11-using-arrays-transformations.html
@@ -609,7 +609,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-03-26"
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/12-export-transformation.html b/12-export-transformation.html
index 76d4526..cafbe8a 100644
--- a/12-export-transformation.html
+++ b/12-export-transformation.html
@@ -467,7 +467,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-03-26"
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/13-looking-up-data.html b/13-looking-up-data.html
index 8a12e8c..32f764f 100644
--- a/13-looking-up-data.html
+++ b/13-looking-up-data.html
@@ -736,7 +736,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://preview.carpentries.org/lc-open-refine/13-looking-up-data.html",
   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-03-26"
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/404.html b/404.html
index 89ff446..f9eb9a7 100644
--- a/404.html
+++ b/404.html
@@ -397,8 +397,8 @@ <h1>Page not found</h1>
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   "identifier": "https://preview.carpentries.org/lc-open-refine/404.html",
   "dateCreated": "2023-05-01",
-  "dateModified": "2024-03-26",
-  "datePublished": "2024-03-26"
+  "dateModified": "2024-04-02",
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index 06e9c25..6dbaf5d 100644
--- a/CODE_OF_CONDUCT.html
+++ b/CODE_OF_CONDUCT.html
@@ -403,7 +403,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "https://preview.carpentries.org/lc-open-refine/CODE_OF_CONDUCT.html",
   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-03-26"
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/LICENSE.html b/LICENSE.html
index 3f942d3..3e2498e 100644
--- a/LICENSE.html
+++ b/LICENSE.html
@@ -454,7 +454,7 @@ <h1>Licenses</h1>
   "identifier": "https://preview.carpentries.org/lc-open-refine/LICENSE.html",
   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-03-26"
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/aio.html b/aio.html
index 75ae8f5..d95b9fc 100644
--- a/aio.html
+++ b/aio.html
@@ -1060,7 +1060,7 @@ <h3 class="callout-title">Splitting Subjects into separate cells<a class="anchor
 <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 subject words/headings are divided up with the pipe ( | )
@@ -1095,7 +1095,7 @@ <h3 class="callout-title">Joining the Subjects column back together<a class="anc
 <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">
 <ol style="list-style-type: decimal">
 <li>The subject words/headings were previously delimited with the pipe (
@@ -1250,7 +1250,7 @@ <h3 class="callout-title">Which licences are used for articles in this
 <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" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>Create a facet for the ‘Licence’ column</li>
@@ -1353,7 +1353,7 @@ <h3 class="callout-title">Find all publications without a DOI<a class="anchor" a
 <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" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>On the <code>DOI</code> column drop down and select
@@ -1403,7 +1403,7 @@ <h3 class="callout-title">Correct the Language values via a facet<a class="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Show me the solution</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>Create a Text facet on the Language column</li>
@@ -2977,8 +2977,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://preview.carpentries.org/lc-open-refine/aio.html",
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   "dateCreated": "2023-05-01",
-  "dateModified": "2024-03-26",
-  "datePublished": "2024-03-26"
+  "dateModified": "2024-04-02",
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/discuss.html b/discuss.html
index 5ed3271..5f847bd 100644
--- a/discuss.html
+++ b/discuss.html
@@ -405,7 +405,7 @@ <h1>Discussion</h1>
   "identifier": "https://preview.carpentries.org/lc-open-refine/discuss.html",
   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-03-26"
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/images.html b/images.html
index 25fef2a..5362c18 100644
--- a/images.html
+++ b/images.html
@@ -471,8 +471,8 @@ <h3 id="13-looking-up-data-figure-1">Figure 1</h3>
   "url": "https://preview.carpentries.org/lc-open-refine/images.html",
   "identifier": "https://preview.carpentries.org/lc-open-refine/images.html",
   "dateCreated": "2023-05-01",
-  "dateModified": "2024-03-26",
-  "datePublished": "2024-03-26"
+  "dateModified": "2024-04-02",
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/index.html b/index.html
index 4e76374..53f0294 100644
--- a/index.html
+++ b/index.html
@@ -522,8 +522,8 @@ <h3 id="getting-help">Getting help<a class="anchor" aria-label="anchor" href="#g
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   "identifier": "https://preview.carpentries.org/lc-open-refine/index.html",
   "dateCreated": "2023-05-01",
-  "dateModified": "2024-03-26",
-  "datePublished": "2024-03-26"
+  "dateModified": "2024-04-02",
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/instructor-notes.html b/instructor-notes.html
index af3501f..8605310 100644
--- a/instructor-notes.html
+++ b/instructor-notes.html
@@ -522,8 +522,8 @@ <h2 id="powerful-transformations">Powerful transformations<a class="anchor" aria
   "url": "https://preview.carpentries.org/lc-open-refine/instructor-notes.html",
   "identifier": "https://preview.carpentries.org/lc-open-refine/instructor-notes.html",
   "dateCreated": "2023-05-01",
-  "dateModified": "2024-03-26",
-  "datePublished": "2024-03-26"
+  "dateModified": "2024-04-02",
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/instructor/01-introduction.html b/instructor/01-introduction.html
index 36e439d..f114049 100644
--- a/instructor/01-introduction.html
+++ b/instructor/01-introduction.html
@@ -581,7 +581,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-03-26"
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/instructor/02-importing-data.html b/instructor/02-importing-data.html
index adea633..69d4c89 100644
--- a/instructor/02-importing-data.html
+++ b/instructor/02-importing-data.html
@@ -547,7 +547,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-03-26"
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/instructor/03-working-with-data.html b/instructor/03-working-with-data.html
index 60f4937..4654527 100644
--- a/instructor/03-working-with-data.html
+++ b/instructor/03-working-with-data.html
@@ -536,7 +536,7 @@ <h3 class="callout-title">Splitting Subjects into separate cells<a class="anchor
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
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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>The subject words/headings are divided up with the pipe ( | )
 character</li>
@@ -565,7 +565,7 @@ <h3 class="callout-title">Joining the Subjects column back together<a class="anc
 <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">
 <ol style="list-style-type: decimal"><li>The subject words/headings were previously delimited with the pipe (
 | ) character</li>
@@ -660,7 +660,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://preview.carpentries.org/lc-open-refine/instructor/03-working-with-data.html",
   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-03-26"
+  "datePublished": "2024-04-02"
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diff --git a/instructor/04-faceting-and-filtering.html b/instructor/04-faceting-and-filtering.html
index 2cbc23b..3345526 100644
--- a/instructor/04-faceting-and-filtering.html
+++ b/instructor/04-faceting-and-filtering.html
@@ -448,7 +448,7 @@ <h3 class="callout-title">Which licences are used for articles in this
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
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 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>Create a facet for the ‘Licence’ column</li>
 <li>Sort values by <code>count</code>
@@ -540,7 +540,7 @@ <h3 class="callout-title">Find all publications without a DOI<a class="anchor" a
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
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 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>On the <code>DOI</code> column drop down and select
 <code>Facets &gt; Customized facets &gt; Facet by blank</code>
@@ -583,7 +583,7 @@ <h3 class="callout-title">Correct the Language values via a facet<a class="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
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 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>Create a Text facet on the Language column</li>
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diff --git a/instructor/05-clustering.html b/instructor/05-clustering.html
index 219df52..6fa09ba 100644
--- a/instructor/05-clustering.html
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@@ -493,7 +493,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateModified": "2023-05-01",
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diff --git a/instructor/06-working-with-columns.html b/instructor/06-working-with-columns.html
index a8d7725..084487e 100644
--- a/instructor/06-working-with-columns.html
+++ b/instructor/06-working-with-columns.html
@@ -480,7 +480,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateModified": "2023-05-01",
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diff --git a/instructor/07-introduction-to-transformations.html b/instructor/07-introduction-to-transformations.html
index e49e1d2..47fac03 100644
--- a/instructor/07-introduction-to-transformations.html
+++ b/instructor/07-introduction-to-transformations.html
@@ -512,7 +512,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
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diff --git a/instructor/08-writing-transformations.html b/instructor/08-writing-transformations.html
index 74d6859..fe113bf 100644
--- a/instructor/08-writing-transformations.html
+++ b/instructor/08-writing-transformations.html
@@ -500,7 +500,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
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diff --git a/instructor/09-undo-and-redo.html b/instructor/09-undo-and-redo.html
index 526b5cc..b0d11ee 100644
--- a/instructor/09-undo-and-redo.html
+++ b/instructor/09-undo-and-redo.html
@@ -478,7 +478,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-03-26"
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 }
 
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diff --git a/instructor/10-data-transformation.html b/instructor/10-data-transformation.html
index b9066eb..52e562b 100644
--- a/instructor/10-data-transformation.html
+++ b/instructor/10-data-transformation.html
@@ -615,7 +615,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-03-26"
+  "datePublished": "2024-04-02"
 }
 
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diff --git a/instructor/11-using-arrays-transformations.html b/instructor/11-using-arrays-transformations.html
index d6b21d4..074be8c 100644
--- a/instructor/11-using-arrays-transformations.html
+++ b/instructor/11-using-arrays-transformations.html
@@ -611,7 +611,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-03-26"
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/instructor/12-export-transformation.html b/instructor/12-export-transformation.html
index 20dbc3c..d0ccac4 100644
--- a/instructor/12-export-transformation.html
+++ b/instructor/12-export-transformation.html
@@ -469,7 +469,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-03-26"
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/instructor/13-looking-up-data.html b/instructor/13-looking-up-data.html
index b674e01..17f1627 100644
--- a/instructor/13-looking-up-data.html
+++ b/instructor/13-looking-up-data.html
@@ -738,7 +738,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-03-26"
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/instructor/404.html b/instructor/404.html
index 5e343cb..68adfd7 100644
--- a/instructor/404.html
+++ b/instructor/404.html
@@ -397,8 +397,8 @@ <h1>Page not found</h1>
   "url": "https://preview.carpentries.org/lc-open-refine/instructor/404.html",
   "identifier": "https://preview.carpentries.org/lc-open-refine/instructor/404.html",
   "dateCreated": "2023-05-01",
-  "dateModified": "2024-03-26",
-  "datePublished": "2024-03-26"
+  "dateModified": "2024-04-02",
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 }
 
   </script><script>
diff --git a/instructor/CODE_OF_CONDUCT.html b/instructor/CODE_OF_CONDUCT.html
index 6bccd10..84dc763 100644
--- a/instructor/CODE_OF_CONDUCT.html
+++ b/instructor/CODE_OF_CONDUCT.html
@@ -405,7 +405,7 @@ <h1>Contributor Code of Conduct</h1>
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   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-03-26"
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/instructor/LICENSE.html b/instructor/LICENSE.html
index ce5b9a9..617fda8 100644
--- a/instructor/LICENSE.html
+++ b/instructor/LICENSE.html
@@ -456,7 +456,7 @@ <h1>Licenses</h1>
   "identifier": "https://preview.carpentries.org/lc-open-refine/instructor/LICENSE.html",
   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-03-26"
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/instructor/aio.html b/instructor/aio.html
index 1e0de94..9644eff 100644
--- a/instructor/aio.html
+++ b/instructor/aio.html
@@ -1065,7 +1065,7 @@ <h3 class="callout-title">Splitting Subjects into separate cells<a class="anchor
 <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 subject words/headings are divided up with the pipe ( | )
@@ -1100,7 +1100,7 @@ <h3 class="callout-title">Joining the Subjects column back together<a class="anc
 <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">
 <ol style="list-style-type: decimal">
 <li>The subject words/headings were previously delimited with the pipe (
@@ -1256,7 +1256,7 @@ <h3 class="callout-title">Which licences are used for articles in this
 <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" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>Create a facet for the ‘Licence’ column</li>
@@ -1359,7 +1359,7 @@ <h3 class="callout-title">Find all publications without a DOI<a class="anchor" a
 <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" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>On the <code>DOI</code> column drop down and select
@@ -1409,7 +1409,7 @@ <h3 class="callout-title">Correct the Language values via a facet<a class="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Show me the solution</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>Create a Text facet on the Language column</li>
@@ -2992,8 +2992,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "identifier": "https://preview.carpentries.org/lc-open-refine/instructor/aio.html",
   "dateCreated": "2023-05-01",
-  "dateModified": "2024-03-26",
-  "datePublished": "2024-03-26"
+  "dateModified": "2024-04-02",
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 }
 
   </script><script>
diff --git a/instructor/discuss.html b/instructor/discuss.html
index a15a9e2..e6de77b 100644
--- a/instructor/discuss.html
+++ b/instructor/discuss.html
@@ -407,7 +407,7 @@ <h1>Discussion</h1>
   "identifier": "https://preview.carpentries.org/lc-open-refine/instructor/discuss.html",
   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-03-26"
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/instructor/images.html b/instructor/images.html
index 63c2078..c230a86 100644
--- a/instructor/images.html
+++ b/instructor/images.html
@@ -473,8 +473,8 @@ <h3 id="13-looking-up-data-figure-1">Figure 1</h3>
   "url": "https://preview.carpentries.org/lc-open-refine/instructor/images.html",
   "identifier": "https://preview.carpentries.org/lc-open-refine/instructor/images.html",
   "dateCreated": "2023-05-01",
-  "dateModified": "2024-03-26",
-  "datePublished": "2024-03-26"
+  "dateModified": "2024-04-02",
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/instructor/index.html b/instructor/index.html
index 530e069..81e4151 100644
--- a/instructor/index.html
+++ b/instructor/index.html
@@ -663,8 +663,8 @@ <h3 id="getting-help">Getting help<a class="anchor" aria-label="anchor" href="#g
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   "identifier": "https://preview.carpentries.org/lc-open-refine/instructor/index.html",
   "dateCreated": "2023-05-01",
-  "dateModified": "2024-03-26",
-  "datePublished": "2024-03-26"
+  "dateModified": "2024-04-02",
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/instructor/instructor-notes.html b/instructor/instructor-notes.html
index 436008f..637fe24 100644
--- a/instructor/instructor-notes.html
+++ b/instructor/instructor-notes.html
@@ -537,8 +537,8 @@ <h2 id="powerful-transformations">Powerful transformations<a class="anchor" aria
   "url": "https://preview.carpentries.org/lc-open-refine/instructor/instructor-notes.html",
   "identifier": "https://preview.carpentries.org/lc-open-refine/instructor/instructor-notes.html",
   "dateCreated": "2023-05-01",
-  "dateModified": "2024-03-26",
-  "datePublished": "2024-03-26"
+  "dateModified": "2024-04-02",
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/instructor/key-points.html b/instructor/key-points.html
index 1cffec5..dc2b4c1 100644
--- a/instructor/key-points.html
+++ b/instructor/key-points.html
@@ -538,8 +538,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://preview.carpentries.org/lc-open-refine/instructor/key-points.html",
   "identifier": "https://preview.carpentries.org/lc-open-refine/instructor/key-points.html",
   "dateCreated": "2023-05-01",
-  "dateModified": "2024-03-26",
-  "datePublished": "2024-03-26"
+  "dateModified": "2024-04-02",
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/instructor/profiles.html b/instructor/profiles.html
index bda9b3e..0b44876 100644
--- a/instructor/profiles.html
+++ b/instructor/profiles.html
@@ -354,8 +354,8 @@ <h1>Learner Profiles</h1>
   "url": "https://preview.carpentries.org/lc-open-refine/instructor/profiles.html",
   "identifier": "https://preview.carpentries.org/lc-open-refine/instructor/profiles.html",
   "dateCreated": "2023-05-01",
-  "dateModified": "2024-03-26",
-  "datePublished": "2024-03-26"
+  "dateModified": "2024-04-02",
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/instructor/reference.html b/instructor/reference.html
index a7b8077..bf31bc0 100644
--- a/instructor/reference.html
+++ b/instructor/reference.html
@@ -398,7 +398,7 @@ <h1>Reference</h1>
   "identifier": "https://preview.carpentries.org/lc-open-refine/instructor/reference.html",
   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-03-26"
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/key-points.html b/key-points.html
index 028888a..e600af6 100644
--- a/key-points.html
+++ b/key-points.html
@@ -536,8 +536,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://preview.carpentries.org/lc-open-refine/key-points.html",
   "identifier": "https://preview.carpentries.org/lc-open-refine/key-points.html",
   "dateCreated": "2023-05-01",
-  "dateModified": "2024-03-26",
-  "datePublished": "2024-03-26"
+  "dateModified": "2024-04-02",
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/pkgdown.yml b/pkgdown.yml
index d1d62c3..dcec543 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -2,5 +2,5 @@ pandoc: 3.1.11
 pkgdown: 2.0.7
 pkgdown_sha: ~
 articles: {}
-last_built: 2024-03-26T01:08Z
+last_built: 2024-04-02T01:13Z
 
diff --git a/profiles.html b/profiles.html
index a43a28f..964717d 100644
--- a/profiles.html
+++ b/profiles.html
@@ -354,8 +354,8 @@ <h1>Learner Profiles</h1>
   "url": "https://preview.carpentries.org/lc-open-refine/profiles.html",
   "identifier": "https://preview.carpentries.org/lc-open-refine/profiles.html",
   "dateCreated": "2023-05-01",
-  "dateModified": "2024-03-26",
-  "datePublished": "2024-03-26"
+  "dateModified": "2024-04-02",
+  "datePublished": "2024-04-02"
 }
 
   </script><script>
diff --git a/reference.html b/reference.html
index 622db79..2b62c54 100644
--- a/reference.html
+++ b/reference.html
@@ -396,7 +396,7 @@ <h1>Reference</h1>
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   "dateCreated": "2023-05-01",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-03-26"
+  "datePublished": "2024-04-02"
 }
 
   </script><script>