diff --git a/01-introduction.html b/01-introduction.html
index 7b0308ba..981126e1 100644
--- a/01-introduction.html
+++ b/01-introduction.html
@@ -621,7 +621,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/01-introduction.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-12-24"
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/02-importing-data.html b/02-importing-data.html
index 9a3dcbea..37a14c08 100644
--- a/02-importing-data.html
+++ b/02-importing-data.html
@@ -589,7 +589,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/02-importing-data.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-11-16",
-  "datePublished": "2024-12-24"
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/03-working-with-data.html b/03-working-with-data.html
index 470edd71..1b7d82e6 100644
--- a/03-working-with-data.html
+++ b/03-working-with-data.html
@@ -573,7 +573,7 @@ <h3 class="callout-title">Splitting Subjects into separate cells</h3>
 <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>The subject words/headings are divided up with the pipe ( | )
 character</li>
@@ -601,7 +601,7 @@ <h3 class="callout-title">Joining the Subjects column back together</h3>
 <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>The subject words/headings were previously delimited with the pipe (
 | ) character</li>
@@ -695,7 +695,7 @@ <h3 class="callout-title">Key Points</h3>
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   "dateCreated": "2018-04-12",
   "dateModified": "2024-02-09",
-  "datePublished": "2024-12-24"
+  "datePublished": "2024-12-31"
 }
 
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diff --git a/04-faceting-and-filtering.html b/04-faceting-and-filtering.html
index def39311..778fde5f 100644
--- a/04-faceting-and-filtering.html
+++ b/04-faceting-and-filtering.html
@@ -487,7 +487,7 @@ <h3 class="callout-title">Which licences are used for articles in this file?</h3
 <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>
@@ -575,7 +575,7 @@ <h3 class="callout-title">Find all publications without a DOI</h3>
 <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>
@@ -616,7 +616,7 @@ <h3 class="callout-title">Correct the Language values via a facet</h3>
 <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
@@ -705,7 +705,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/04-faceting-and-filtering.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-11-28",
-  "datePublished": "2024-12-24"
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/05-clustering.html b/05-clustering.html
index 6273adc0..d4edc4da 100644
--- a/05-clustering.html
+++ b/05-clustering.html
@@ -534,7 +534,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/05-clustering.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-10-25",
-  "datePublished": "2024-12-24"
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/06-working-with-columns.html b/06-working-with-columns.html
index 49a27ba7..db614670 100644
--- a/06-working-with-columns.html
+++ b/06-working-with-columns.html
@@ -517,7 +517,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/06-working-with-columns.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2024-01-11",
-  "datePublished": "2024-12-24"
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/07-introduction-to-transformations.html b/07-introduction-to-transformations.html
index 4b464086..5c5d67cc 100644
--- a/07-introduction-to-transformations.html
+++ b/07-introduction-to-transformations.html
@@ -552,7 +552,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/07-introduction-to-transformations.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-12-24"
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/08-writing-transformations.html b/08-writing-transformations.html
index fd3d6ac9..9ea26d04 100644
--- a/08-writing-transformations.html
+++ b/08-writing-transformations.html
@@ -540,7 +540,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/08-writing-transformations.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-12-24"
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/09-undo-and-redo.html b/09-undo-and-redo.html
index e77a2943..004b9dc3 100644
--- a/09-undo-and-redo.html
+++ b/09-undo-and-redo.html
@@ -519,7 +519,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/09-undo-and-redo.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-12-24"
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/10-data-transformation.html b/10-data-transformation.html
index 188159f1..a46372df 100644
--- a/10-data-transformation.html
+++ b/10-data-transformation.html
@@ -652,7 +652,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/10-data-transformation.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-26",
-  "datePublished": "2024-12-24"
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/11-using-arrays-transformations.html b/11-using-arrays-transformations.html
index 6b9c8703..dc0d3330 100644
--- a/11-using-arrays-transformations.html
+++ b/11-using-arrays-transformations.html
@@ -638,7 +638,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/11-using-arrays-transformations.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2024-06-13",
-  "datePublished": "2024-12-24"
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/12-export-transformation.html b/12-export-transformation.html
index c689a21d..b46b37f2 100644
--- a/12-export-transformation.html
+++ b/12-export-transformation.html
@@ -508,7 +508,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/12-export-transformation.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-12-24"
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/13-looking-up-data.html b/13-looking-up-data.html
index a4488aff..911865d4 100644
--- a/13-looking-up-data.html
+++ b/13-looking-up-data.html
@@ -773,7 +773,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/13-looking-up-data.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2024-05-08",
-  "datePublished": "2024-12-24"
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/404.html b/404.html
index a6807aab..dc212f29 100644
--- a/404.html
+++ b/404.html
@@ -441,8 +441,8 @@ <h1>Page not found</h1>
   "url": "https://librarycarpentry.github.io/lc-open-refine/404.html",
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/404.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-12-24",
-  "datePublished": "2024-12-24"
+  "dateModified": "2024-12-31",
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index 08da5015..28f067f7 100644
--- a/CODE_OF_CONDUCT.html
+++ b/CODE_OF_CONDUCT.html
@@ -448,7 +448,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/CODE_OF_CONDUCT.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-12-24"
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/LICENSE.html b/LICENSE.html
index f3d7e8be..2bb6413c 100644
--- a/LICENSE.html
+++ b/LICENSE.html
@@ -496,7 +496,7 @@ <h1>Licenses</h1>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/LICENSE.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-12-24"
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/aio.html b/aio.html
index da72c899..4ae9f884 100644
--- a/aio.html
+++ b/aio.html
@@ -1106,7 +1106,7 @@ <h3 class="callout-title">Splitting Subjects into separate cells</h3>
 <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>The subject words/headings are divided up with the pipe ( | )
@@ -1140,7 +1140,7 @@ <h3 class="callout-title">Joining the Subjects column back together</h3>
 <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>The subject words/headings were previously delimited with the pipe (
@@ -1291,7 +1291,7 @@ <h3 class="callout-title">Which licences are used for articles in this file?</h3
 <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>
@@ -1393,7 +1393,7 @@ <h3 class="callout-title">Find all publications without a DOI</h3>
 <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
@@ -1442,7 +1442,7 @@ <h3 class="callout-title">Correct the Language values via a facet</h3>
 <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>
@@ -2981,8 +2981,8 @@ <h3 class="callout-title">Key Points</h3>
   "url": "https://librarycarpentry.github.io/lc-open-refine/aio.html",
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/aio.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-12-24",
-  "datePublished": "2024-12-24"
+  "dateModified": "2024-12-31",
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/discuss.html b/discuss.html
index 22d7760a..3d433bf4 100644
--- a/discuss.html
+++ b/discuss.html
@@ -448,7 +448,7 @@ <h1>Discussion</h1>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/discuss.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-10-20",
-  "datePublished": "2024-12-24"
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/images.html b/images.html
index e5a800d5..9a1fe8b2 100644
--- a/images.html
+++ b/images.html
@@ -522,8 +522,8 @@ <h3 id="13-looking-up-data-figure-1">Figure 1</h3>
   "url": "https://librarycarpentry.github.io/lc-open-refine/images.html",
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/images.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-12-24",
-  "datePublished": "2024-12-24"
+  "dateModified": "2024-12-31",
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/index.html b/index.html
index 0e76a220..2d07f33a 100644
--- a/index.html
+++ b/index.html
@@ -546,8 +546,8 @@ <h3 id="getting-help">Getting help<a class="anchor" aria-label="anchor" href="#g
   "url": "https://librarycarpentry.github.io/lc-open-refine/index.html",
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/index.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-12-24",
-  "datePublished": "2024-12-24"
+  "dateModified": "2024-12-31",
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/instructor-notes.html b/instructor-notes.html
index 72bc0a6a..acbefdea 100644
--- a/instructor-notes.html
+++ b/instructor-notes.html
@@ -570,8 +570,8 @@ <h2 id="powerful-transformations">Powerful transformations<a class="anchor" aria
   "url": "https://librarycarpentry.github.io/lc-open-refine/instructor-notes.html",
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor-notes.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-12-24",
-  "datePublished": "2024-12-24"
+  "dateModified": "2024-12-31",
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/instructor/01-introduction.html b/instructor/01-introduction.html
index 8af1d33e..f7f574e5 100644
--- a/instructor/01-introduction.html
+++ b/instructor/01-introduction.html
@@ -623,7 +623,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/01-introduction.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-12-24"
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/instructor/02-importing-data.html b/instructor/02-importing-data.html
index 7cceaf2e..a24dc402 100644
--- a/instructor/02-importing-data.html
+++ b/instructor/02-importing-data.html
@@ -618,7 +618,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/02-importing-data.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-11-16",
-  "datePublished": "2024-12-24"
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/instructor/03-working-with-data.html b/instructor/03-working-with-data.html
index 40f0f4af..9ffb68c2 100644
--- a/instructor/03-working-with-data.html
+++ b/instructor/03-working-with-data.html
@@ -575,7 +575,7 @@ <h3 class="callout-title">Splitting Subjects into separate cells</h3>
 <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>The subject words/headings are divided up with the pipe ( | )
 character</li>
@@ -603,7 +603,7 @@ <h3 class="callout-title">Joining the Subjects column back together</h3>
 <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>The subject words/headings were previously delimited with the pipe (
 | ) character</li>
@@ -697,7 +697,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/03-working-with-data.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2024-02-09",
-  "datePublished": "2024-12-24"
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/instructor/04-faceting-and-filtering.html b/instructor/04-faceting-and-filtering.html
index 80a34f55..677c1aac 100644
--- a/instructor/04-faceting-and-filtering.html
+++ b/instructor/04-faceting-and-filtering.html
@@ -489,7 +489,7 @@ <h3 class="callout-title">Which licences are used for articles in this file?</h3
 <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>
@@ -577,7 +577,7 @@ <h3 class="callout-title">Find all publications without a DOI</h3>
 <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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-<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>
@@ -618,7 +618,7 @@ <h3 class="callout-title">Correct the Language values via a facet</h3>
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   <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
@@ -707,7 +707,7 @@ <h3 class="callout-title">Key Points</h3>
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diff --git a/instructor/05-clustering.html b/instructor/05-clustering.html
index f4e3d315..a2b7c100 100644
--- a/instructor/05-clustering.html
+++ b/instructor/05-clustering.html
@@ -536,7 +536,7 @@ <h3 class="callout-title">Key Points</h3>
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   "dateModified": "2023-10-25",
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index 763c769d..edcbd5e0 100644
--- a/instructor/06-working-with-columns.html
+++ b/instructor/06-working-with-columns.html
@@ -539,7 +539,7 @@ <h3 class="callout-title">Key Points</h3>
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   "dateModified": "2024-01-11",
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index de6040eb..60f1ef2a 100644
--- a/instructor/07-introduction-to-transformations.html
+++ b/instructor/07-introduction-to-transformations.html
@@ -554,7 +554,7 @@ <h3 class="callout-title">Key Points</h3>
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-  "datePublished": "2024-12-24"
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diff --git a/instructor/08-writing-transformations.html b/instructor/08-writing-transformations.html
index 2e1821f3..0860e220 100644
--- a/instructor/08-writing-transformations.html
+++ b/instructor/08-writing-transformations.html
@@ -542,7 +542,7 @@ <h3 class="callout-title">Key Points</h3>
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   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
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index 8adb6fe1..5d08cafb 100644
--- a/instructor/09-undo-and-redo.html
+++ b/instructor/09-undo-and-redo.html
@@ -521,7 +521,7 @@ <h3 class="callout-title">Key Points</h3>
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   "dateModified": "2023-05-01",
-  "datePublished": "2024-12-24"
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diff --git a/instructor/10-data-transformation.html b/instructor/10-data-transformation.html
index 9354212d..d0817ee4 100644
--- a/instructor/10-data-transformation.html
+++ b/instructor/10-data-transformation.html
@@ -654,7 +654,7 @@ <h3 class="callout-title">Key Points</h3>
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   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-26",
-  "datePublished": "2024-12-24"
+  "datePublished": "2024-12-31"
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   </script><script>
diff --git a/instructor/11-using-arrays-transformations.html b/instructor/11-using-arrays-transformations.html
index 73ead3fa..17a1275b 100644
--- a/instructor/11-using-arrays-transformations.html
+++ b/instructor/11-using-arrays-transformations.html
@@ -675,7 +675,7 @@ <h3 class="callout-title">Key Points</h3>
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   "dateCreated": "2018-04-12",
   "dateModified": "2024-06-13",
-  "datePublished": "2024-12-24"
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 }
 
   </script><script>
diff --git a/instructor/12-export-transformation.html b/instructor/12-export-transformation.html
index 4d885b28..2bac2f17 100644
--- a/instructor/12-export-transformation.html
+++ b/instructor/12-export-transformation.html
@@ -510,7 +510,7 @@ <h3 class="callout-title">Key Points</h3>
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   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-12-24"
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 }
 
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diff --git a/instructor/13-looking-up-data.html b/instructor/13-looking-up-data.html
index ddbccf2f..5a984a84 100644
--- a/instructor/13-looking-up-data.html
+++ b/instructor/13-looking-up-data.html
@@ -775,7 +775,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/13-looking-up-data.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2024-05-08",
-  "datePublished": "2024-12-24"
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/instructor/404.html b/instructor/404.html
index 2f771ee2..4dbb13de 100644
--- a/instructor/404.html
+++ b/instructor/404.html
@@ -441,8 +441,8 @@ <h1>Page not found</h1>
   "url": "https://librarycarpentry.github.io/lc-open-refine/instructor/404.html",
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/404.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-12-24",
-  "datePublished": "2024-12-24"
+  "dateModified": "2024-12-31",
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 }
 
   </script><script>
diff --git a/instructor/CODE_OF_CONDUCT.html b/instructor/CODE_OF_CONDUCT.html
index 5b063b63..a79ce737 100644
--- a/instructor/CODE_OF_CONDUCT.html
+++ b/instructor/CODE_OF_CONDUCT.html
@@ -450,7 +450,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/CODE_OF_CONDUCT.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-12-24"
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/instructor/LICENSE.html b/instructor/LICENSE.html
index 34299790..1a77d5bc 100644
--- a/instructor/LICENSE.html
+++ b/instructor/LICENSE.html
@@ -498,7 +498,7 @@ <h1>Licenses</h1>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/LICENSE.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-12-24"
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/instructor/aio.html b/instructor/aio.html
index 370471d3..8ffdcef9 100644
--- a/instructor/aio.html
+++ b/instructor/aio.html
@@ -1138,7 +1138,7 @@ <h3 class="callout-title">Splitting Subjects into separate cells</h3>
 <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>The subject words/headings are divided up with the pipe ( | )
@@ -1172,7 +1172,7 @@ <h3 class="callout-title">Joining the Subjects column back together</h3>
 <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>The subject words/headings were previously delimited with the pipe (
@@ -1324,7 +1324,7 @@ <h3 class="callout-title">Which licences are used for articles in this file?</h3
 <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>
@@ -1426,7 +1426,7 @@ <h3 class="callout-title">Find all publications without a DOI</h3>
 <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
@@ -1475,7 +1475,7 @@ <h3 class="callout-title">Correct the Language values via a facet</h3>
 <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>
@@ -3078,8 +3078,8 @@ <h3 class="callout-title">Key Points</h3>
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   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/aio.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-12-24",
-  "datePublished": "2024-12-24"
+  "dateModified": "2024-12-31",
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 }
 
   </script><script>
diff --git a/instructor/discuss.html b/instructor/discuss.html
index 39538b45..0ae75ad9 100644
--- a/instructor/discuss.html
+++ b/instructor/discuss.html
@@ -450,7 +450,7 @@ <h1>Discussion</h1>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/discuss.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-10-20",
-  "datePublished": "2024-12-24"
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/instructor/images.html b/instructor/images.html
index 379ba4a7..bca55601 100644
--- a/instructor/images.html
+++ b/instructor/images.html
@@ -524,8 +524,8 @@ <h3 id="13-looking-up-data-figure-1">Figure 1</h3>
   "url": "https://librarycarpentry.github.io/lc-open-refine/instructor/images.html",
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/images.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-12-24",
-  "datePublished": "2024-12-24"
+  "dateModified": "2024-12-31",
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/instructor/index.html b/instructor/index.html
index 7b16950e..6cb2fb5d 100644
--- a/instructor/index.html
+++ b/instructor/index.html
@@ -687,8 +687,8 @@ <h3 id="getting-help">Getting help<a class="anchor" aria-label="anchor" href="#g
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   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/index.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-12-24",
-  "datePublished": "2024-12-24"
+  "dateModified": "2024-12-31",
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/instructor/instructor-notes.html b/instructor/instructor-notes.html
index 94a952c8..0ec292f0 100644
--- a/instructor/instructor-notes.html
+++ b/instructor/instructor-notes.html
@@ -630,8 +630,8 @@ <h3 id="11-using-arrays-transformations-headingInstructor1">
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   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/instructor-notes.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-12-24",
-  "datePublished": "2024-12-24"
+  "dateModified": "2024-12-31",
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 }
 
   </script><script>
diff --git a/instructor/key-points.html b/instructor/key-points.html
index 6219a172..4dabe0f4 100644
--- a/instructor/key-points.html
+++ b/instructor/key-points.html
@@ -586,8 +586,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://librarycarpentry.github.io/lc-open-refine/instructor/key-points.html",
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/key-points.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-12-24",
-  "datePublished": "2024-12-24"
+  "dateModified": "2024-12-31",
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/instructor/profiles.html b/instructor/profiles.html
index 899ef0b7..41c83ce7 100644
--- a/instructor/profiles.html
+++ b/instructor/profiles.html
@@ -399,8 +399,8 @@ <h1>Learner Profiles</h1>
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   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/profiles.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-12-24",
-  "datePublished": "2024-12-24"
+  "dateModified": "2024-12-31",
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/instructor/reference.html b/instructor/reference.html
index afb5c7ed..51c9dec1 100644
--- a/instructor/reference.html
+++ b/instructor/reference.html
@@ -442,7 +442,7 @@ <h1>Reference</h1>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/reference.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-12-24"
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/key-points.html b/key-points.html
index d45d923e..dfbca1df 100644
--- a/key-points.html
+++ b/key-points.html
@@ -584,8 +584,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
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   "identifier": "https://librarycarpentry.github.io/lc-open-refine/key-points.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-12-24",
-  "datePublished": "2024-12-24"
+  "dateModified": "2024-12-31",
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/pkgdown.yml b/pkgdown.yml
index c45c91a2..8fcd5fcf 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -2,4 +2,4 @@ pandoc: 3.1.11
 pkgdown: 2.1.1
 pkgdown_sha: ~
 articles: {}
-last_built: 2024-12-24T00:30Z
+last_built: 2024-12-31T00:30Z
diff --git a/profiles.html b/profiles.html
index 2d2bb690..6e7332d2 100644
--- a/profiles.html
+++ b/profiles.html
@@ -399,8 +399,8 @@ <h1>Learner Profiles</h1>
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   "identifier": "https://librarycarpentry.github.io/lc-open-refine/profiles.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-12-24",
-  "datePublished": "2024-12-24"
+  "dateModified": "2024-12-31",
+  "datePublished": "2024-12-31"
 }
 
   </script><script>
diff --git a/reference.html b/reference.html
index e04928f9..d55977a5 100644
--- a/reference.html
+++ b/reference.html
@@ -440,7 +440,7 @@ <h1>Reference</h1>
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   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-12-24"
+  "datePublished": "2024-12-31"
 }
 
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