diff --git a/coverage/htmlfiles/coverage_html.js b/coverage/htmlfiles/coverage_html.js
index a28c1bef8..0a859a537 100644
--- a/coverage/htmlfiles/coverage_html.js
+++ b/coverage/htmlfiles/coverage_html.js
@@ -81,7 +81,32 @@ function sortColumn(th) {
         .forEach(tr => tr.parentElement.appendChild(tr));
 
     // Save the sort order for next time.
-    localStorage.setItem(coverage.INDEX_SORT_STORAGE, JSON.stringify({column, direction}));
+    if (th.id !== "region") {
+        let th_id = "file";  // Sort by file if we don't have a column id
+        let current_direction = direction;
+        const stored_list = localStorage.getItem(coverage.INDEX_SORT_STORAGE);
+        if (stored_list) {
+            ({th_id, direction} = JSON.parse(stored_list))
+        }
+        localStorage.setItem(coverage.INDEX_SORT_STORAGE, JSON.stringify({
+            "th_id": th.id,
+            "direction": current_direction
+        }));
+        if (th.id !== th_id || document.getElementById("region")) {
+            // Sort column has changed, unset sorting by function or class.
+            localStorage.setItem(coverage.SORTED_BY_REGION, JSON.stringify({
+                "by_region": false,
+                "region_direction": current_direction
+            }));
+        }
+    }
+    else {
+        // Sort column has changed to by function or class, remember that.
+        localStorage.setItem(coverage.SORTED_BY_REGION, JSON.stringify({
+            "by_region": true,
+            "region_direction": direction
+        }));
+    }
 }
 
 // Find all the elements with data-shortcut attribute, and use them to assign a shortcut key.
@@ -223,18 +248,39 @@ coverage.wire_up_sorting = function () {
     );
 
     // Look for a localStorage item containing previous sort settings:
-    var column = 0, direction = "ascending";
+    let th_id = "file", direction = "ascending";
     const stored_list = localStorage.getItem(coverage.INDEX_SORT_STORAGE);
     if (stored_list) {
-        ({column, direction} = JSON.parse(stored_list));
+        ({th_id, direction} = JSON.parse(stored_list));
+    }
+    let by_region = false, region_direction = "ascending";
+    const sorted_by_region = localStorage.getItem(coverage.SORTED_BY_REGION);
+    if (sorted_by_region) {
+        ({
+            by_region,
+            region_direction
+        } = JSON.parse(sorted_by_region));
     }
 
-    const th = document.querySelector("[data-sortable]").tHead.rows[0].cells[column];  // nosemgrep: eslint.detect-object-injection
+    const region_id = "region";
+    if (by_region && document.getElementById(region_id)) {
+        direction = region_direction;
+    }
+    // If we are in a page that has a column with id of "region", sort on
+    // it if the last sort was by function or class.
+    let th;
+    if (document.getElementById(region_id)) {
+        th = document.getElementById(by_region ? region_id : th_id);
+    }
+    else {
+        th = document.getElementById(th_id);
+    }
     th.setAttribute("aria-sort", direction === "ascending" ? "descending" : "ascending");
     th.click()
 };
 
 coverage.INDEX_SORT_STORAGE = "COVERAGE_INDEX_SORT_2";
+coverage.SORTED_BY_REGION = "COVERAGE_SORT_REGION";
 
 // Loaded on index.html
 coverage.index_ready = function () {
diff --git a/coverage/htmlfiles/index.html b/coverage/htmlfiles/index.html
index 2c1dee02f..f75d18b43 100644
--- a/coverage/htmlfiles/index.html
+++ b/coverage/htmlfiles/index.html
@@ -82,18 +82,18 @@ <h2>
         <thead>
             {# The title="" attr doesn't work in Safari. #}
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
                 {% if column2 %}
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">{{ column2 }}<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">{{ column2 }}<span class="arrows"></span></th>
                 {% endif %}
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
                 {% if has_arcs %}
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="b">branches<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="p">partial<span class="arrows"></span></th>
+                <th id="branches" aria-sort="none" data-default-sort-order="descending" data-shortcut="b">branches<span class="arrows"></span></th>
+                <th id="partial" aria-sort="none" data-default-sort-order="descending" data-shortcut="p">partial<span class="arrows"></span></th>
                 {% endif %}
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
diff --git a/tests/gold/html/a/class_index.html b/tests/gold/html/a/class_index.html
index 9e01afdcb..54f6e6c44 100644
--- a/tests/gold/html/a/class_index.html
+++ b/tests/gold/html/a/class_index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -55,7 +55,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:13 -0300
         </p>
     </div>
 </header>
@@ -63,12 +63,12 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -100,7 +100,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:13 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/a/function_index.html b/tests/gold/html/a/function_index.html
index 1a2152850..2c07a62aa 100644
--- a/tests/gold/html/a/function_index.html
+++ b/tests/gold/html/a/function_index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -55,7 +55,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:13 -0300
         </p>
     </div>
 </header>
@@ -63,12 +63,12 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -100,7 +100,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:13 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/a/index.html b/tests/gold/html/a/index.html
index 2b7f9d91f..f2b29d815 100644
--- a/tests/gold/html/a/index.html
+++ b/tests/gold/html/a/index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_f81f1c3a.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -54,7 +54,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-25 23:03 -0300
         </p>
     </div>
 </header>
@@ -62,11 +62,11 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -96,7 +96,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-25 23:03 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/b_branch/class_index.html b/tests/gold/html/b_branch/class_index.html
index acf18bf0e..1c76fd240 100644
--- a/tests/gold/html/b_branch/class_index.html
+++ b/tests/gold/html/b_branch/class_index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -57,7 +57,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:13 -0300
         </p>
     </div>
 </header>
@@ -65,14 +65,14 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="b">branches<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="p">partial<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="branches" aria-sort="none" data-default-sort-order="descending" data-shortcut="b">branches<span class="arrows"></span></th>
+                <th id="partial" aria-sort="none" data-default-sort-order="descending" data-shortcut="p">partial<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -108,7 +108,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:13 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/b_branch/function_index.html b/tests/gold/html/b_branch/function_index.html
index 2d65793f3..467f4cc38 100644
--- a/tests/gold/html/b_branch/function_index.html
+++ b/tests/gold/html/b_branch/function_index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -57,7 +57,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:13 -0300
         </p>
     </div>
 </header>
@@ -65,14 +65,14 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="b">branches<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="p">partial<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="branches" aria-sort="none" data-default-sort-order="descending" data-shortcut="b">branches<span class="arrows"></span></th>
+                <th id="partial" aria-sort="none" data-default-sort-order="descending" data-shortcut="p">partial<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -138,7 +138,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:13 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/b_branch/index.html b/tests/gold/html/b_branch/index.html
index dd05db8c9..488f25eae 100644
--- a/tests/gold/html/b_branch/index.html
+++ b/tests/gold/html/b_branch/index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_f81f1c3a.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -56,7 +56,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-25 23:03 -0300
         </p>
     </div>
 </header>
@@ -64,13 +64,13 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="b">branches<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="p">partial<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="branches" aria-sort="none" data-default-sort-order="descending" data-shortcut="b">branches<span class="arrows"></span></th>
+                <th id="partial" aria-sort="none" data-default-sort-order="descending" data-shortcut="p">partial<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -104,7 +104,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-25 23:03 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/bom/class_index.html b/tests/gold/html/bom/class_index.html
index 32c206af4..d95dcbb27 100644
--- a/tests/gold/html/bom/class_index.html
+++ b/tests/gold/html/bom/class_index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -55,7 +55,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
 </header>
@@ -63,12 +63,12 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -100,7 +100,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/bom/function_index.html b/tests/gold/html/bom/function_index.html
index 932a535c1..644766774 100644
--- a/tests/gold/html/bom/function_index.html
+++ b/tests/gold/html/bom/function_index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -55,7 +55,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
 </header>
@@ -63,12 +63,12 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -100,7 +100,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/bom/index.html b/tests/gold/html/bom/index.html
index cff85d7e1..7199b32f6 100644
--- a/tests/gold/html/bom/index.html
+++ b/tests/gold/html/bom/index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_f81f1c3a.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -54,7 +54,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-25 23:03 -0300
         </p>
     </div>
 </header>
@@ -62,11 +62,11 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -96,7 +96,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-25 23:03 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/contexts/class_index.html b/tests/gold/html/contexts/class_index.html
index bfc98dfe9..15ee3bf05 100644
--- a/tests/gold/html/contexts/class_index.html
+++ b/tests/gold/html/contexts/class_index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -55,7 +55,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
 </header>
@@ -63,12 +63,12 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -100,7 +100,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/contexts/function_index.html b/tests/gold/html/contexts/function_index.html
index b2e0a7b59..6b30e63ce 100644
--- a/tests/gold/html/contexts/function_index.html
+++ b/tests/gold/html/contexts/function_index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -55,7 +55,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
 </header>
@@ -63,12 +63,12 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -124,7 +124,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/contexts/index.html b/tests/gold/html/contexts/index.html
index bed428bc7..f5a791f59 100644
--- a/tests/gold/html/contexts/index.html
+++ b/tests/gold/html/contexts/index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_f81f1c3a.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -54,7 +54,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-25 23:02 -0300
         </p>
     </div>
 </header>
@@ -62,11 +62,11 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -96,7 +96,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-25 23:02 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/isolatin1/class_index.html b/tests/gold/html/isolatin1/class_index.html
index 679d34be6..e38567bcd 100644
--- a/tests/gold/html/isolatin1/class_index.html
+++ b/tests/gold/html/isolatin1/class_index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -55,7 +55,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:13 -0300
         </p>
     </div>
 </header>
@@ -63,12 +63,12 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -100,7 +100,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:13 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/isolatin1/function_index.html b/tests/gold/html/isolatin1/function_index.html
index a951f0d08..5c1585efd 100644
--- a/tests/gold/html/isolatin1/function_index.html
+++ b/tests/gold/html/isolatin1/function_index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -55,7 +55,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:13 -0300
         </p>
     </div>
 </header>
@@ -63,12 +63,12 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -100,7 +100,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:13 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/isolatin1/index.html b/tests/gold/html/isolatin1/index.html
index 3c8ae68bf..89c6d6816 100644
--- a/tests/gold/html/isolatin1/index.html
+++ b/tests/gold/html/isolatin1/index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_f81f1c3a.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -54,7 +54,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-25 23:02 -0300
         </p>
     </div>
 </header>
@@ -62,11 +62,11 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -96,7 +96,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-25 23:02 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/omit_1/class_index.html b/tests/gold/html/omit_1/class_index.html
index 5a9e641e1..9564621ae 100644
--- a/tests/gold/html/omit_1/class_index.html
+++ b/tests/gold/html/omit_1/class_index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -55,7 +55,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
 </header>
@@ -63,12 +63,12 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -124,7 +124,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/omit_1/function_index.html b/tests/gold/html/omit_1/function_index.html
index 5986477e3..5f0191656 100644
--- a/tests/gold/html/omit_1/function_index.html
+++ b/tests/gold/html/omit_1/function_index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -55,7 +55,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
 </header>
@@ -63,12 +63,12 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -124,7 +124,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/omit_1/index.html b/tests/gold/html/omit_1/index.html
index be11378bf..8e7b8a0df 100644
--- a/tests/gold/html/omit_1/index.html
+++ b/tests/gold/html/omit_1/index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_f81f1c3a.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -54,7 +54,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-25 23:02 -0300
         </p>
     </div>
 </header>
@@ -62,11 +62,11 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -117,7 +117,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-25 23:02 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/omit_2/class_index.html b/tests/gold/html/omit_2/class_index.html
index ea099876d..bd1d6e492 100644
--- a/tests/gold/html/omit_2/class_index.html
+++ b/tests/gold/html/omit_2/class_index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -55,7 +55,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
 </header>
@@ -63,12 +63,12 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -116,7 +116,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/omit_2/function_index.html b/tests/gold/html/omit_2/function_index.html
index b0cb6c4e6..ea47083e9 100644
--- a/tests/gold/html/omit_2/function_index.html
+++ b/tests/gold/html/omit_2/function_index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -55,7 +55,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
 </header>
@@ -63,12 +63,12 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -116,7 +116,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/omit_2/index.html b/tests/gold/html/omit_2/index.html
index 02df4c7aa..c1aa13657 100644
--- a/tests/gold/html/omit_2/index.html
+++ b/tests/gold/html/omit_2/index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_f81f1c3a.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -54,7 +54,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-25 23:03 -0300
         </p>
     </div>
 </header>
@@ -62,11 +62,11 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -110,7 +110,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-25 23:03 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/omit_3/class_index.html b/tests/gold/html/omit_3/class_index.html
index a54a8349e..5c7acbcf9 100644
--- a/tests/gold/html/omit_3/class_index.html
+++ b/tests/gold/html/omit_3/class_index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -55,7 +55,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
 </header>
@@ -63,12 +63,12 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -108,7 +108,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/omit_3/function_index.html b/tests/gold/html/omit_3/function_index.html
index f6f732f5c..f7c6d34e9 100644
--- a/tests/gold/html/omit_3/function_index.html
+++ b/tests/gold/html/omit_3/function_index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -55,7 +55,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
 </header>
@@ -63,12 +63,12 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -108,7 +108,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/omit_3/index.html b/tests/gold/html/omit_3/index.html
index c85e7fbee..1a57ebfd5 100644
--- a/tests/gold/html/omit_3/index.html
+++ b/tests/gold/html/omit_3/index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_f81f1c3a.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -54,7 +54,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-25 23:03 -0300
         </p>
     </div>
 </header>
@@ -62,11 +62,11 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -103,7 +103,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-25 23:03 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/omit_4/class_index.html b/tests/gold/html/omit_4/class_index.html
index 0dad1f200..f23a9854b 100644
--- a/tests/gold/html/omit_4/class_index.html
+++ b/tests/gold/html/omit_4/class_index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -55,7 +55,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
 </header>
@@ -63,12 +63,12 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -116,7 +116,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/omit_4/function_index.html b/tests/gold/html/omit_4/function_index.html
index 9d11e20de..225c14190 100644
--- a/tests/gold/html/omit_4/function_index.html
+++ b/tests/gold/html/omit_4/function_index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -55,7 +55,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
 </header>
@@ -63,12 +63,12 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -116,7 +116,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/omit_4/index.html b/tests/gold/html/omit_4/index.html
index 5d711dc84..9b445b809 100644
--- a/tests/gold/html/omit_4/index.html
+++ b/tests/gold/html/omit_4/index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_f81f1c3a.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -54,7 +54,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-25 23:02 -0300
         </p>
     </div>
 </header>
@@ -62,11 +62,11 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -110,7 +110,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-25 23:02 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/omit_5/class_index.html b/tests/gold/html/omit_5/class_index.html
index 682fbfabb..bf6b1182b 100644
--- a/tests/gold/html/omit_5/class_index.html
+++ b/tests/gold/html/omit_5/class_index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -55,7 +55,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
 </header>
@@ -63,12 +63,12 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -108,7 +108,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/omit_5/function_index.html b/tests/gold/html/omit_5/function_index.html
index 1ad5f4ee3..2eef10d7c 100644
--- a/tests/gold/html/omit_5/function_index.html
+++ b/tests/gold/html/omit_5/function_index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -55,7 +55,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
 </header>
@@ -63,12 +63,12 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -108,7 +108,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/omit_5/index.html b/tests/gold/html/omit_5/index.html
index 1e1867640..dd2aca1d5 100644
--- a/tests/gold/html/omit_5/index.html
+++ b/tests/gold/html/omit_5/index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_f81f1c3a.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -54,7 +54,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-25 23:02 -0300
         </p>
     </div>
 </header>
@@ -62,11 +62,11 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -103,7 +103,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-25 23:02 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/other/class_index.html b/tests/gold/html/other/class_index.html
index 823f4c057..7798e9d5e 100644
--- a/tests/gold/html/other/class_index.html
+++ b/tests/gold/html/other/class_index.html
@@ -3,9 +3,9 @@
 <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
-    <link rel="icon" sizes="32x32" href="favicon_32_cb_03907183.png">
-    <link rel="stylesheet" href="style_cb_03907183.css" type="text/css">
-    <script src="coverage_html_cb_03907183.js" defer></script>
+    <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -16,7 +16,7 @@ <h1>Coverage report:
         <aside id="help_panel_wrapper">
             <input id="help_panel_state" type="checkbox">
             <label for="help_panel_state">
-                <img id="keyboard_icon" src="keybd_closed_cb_03907183.png" alt="Show/hide keyboard shortcuts">
+                <img id="keyboard_icon" src="keybd_closed_cb_ce680311.png" alt="Show/hide keyboard shortcuts">
             </label>
             <div id="help_panel">
                 <p class="legend">Shortcuts on this page</p>
@@ -55,7 +55,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 08:10 -0400
+            created at 2024-04-28 13:17 -0300
         </p>
     </div>
 </header>
@@ -63,18 +63,18 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
             <tr class="region">
-                <td class="name left"><a href="z_24e758a651d768e5_other_py.html">/private/var/folders/6j/khn0mcrj35d1k3yylpl8zl080000gn/T/pytest-of-ned/pytest-293/t40/othersrc/other.py</a></td>
-                <td class="name left"><a href="z_24e758a651d768e5_other_py.html"><data value=''><span class='no-noun'>(no class)</span></data></a></td>
+                <td class="name left"><a href="z_0730f1441bcc04fe_other_py.html">C:\Users\ddini\AppData\Local\Temp\pytest-of-ddini\pytest-9\popen-gw6\t1\othersrc\other.py</a></td>
+                <td class="name left"><a href="z_0730f1441bcc04fe_other_py.html"><data value=''><span class='no-noun'>(no class)</span></data></a></td>
                 <td>1</td>
                 <td>0</td>
                 <td>0</td>
@@ -108,7 +108,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 08:10 -0400
+            created at 2024-04-28 13:17 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/other/function_index.html b/tests/gold/html/other/function_index.html
index 5d17921c6..54dbec6bb 100644
--- a/tests/gold/html/other/function_index.html
+++ b/tests/gold/html/other/function_index.html
@@ -3,9 +3,9 @@
 <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
-    <link rel="icon" sizes="32x32" href="favicon_32_cb_03907183.png">
-    <link rel="stylesheet" href="style_cb_03907183.css" type="text/css">
-    <script src="coverage_html_cb_03907183.js" defer></script>
+    <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -16,7 +16,7 @@ <h1>Coverage report:
         <aside id="help_panel_wrapper">
             <input id="help_panel_state" type="checkbox">
             <label for="help_panel_state">
-                <img id="keyboard_icon" src="keybd_closed_cb_03907183.png" alt="Show/hide keyboard shortcuts">
+                <img id="keyboard_icon" src="keybd_closed_cb_ce680311.png" alt="Show/hide keyboard shortcuts">
             </label>
             <div id="help_panel">
                 <p class="legend">Shortcuts on this page</p>
@@ -55,7 +55,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 08:10 -0400
+            created at 2024-04-28 13:17 -0300
         </p>
     </div>
 </header>
@@ -63,18 +63,18 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
             <tr class="region">
-                <td class="name left"><a href="z_24e758a651d768e5_other_py.html">/private/var/folders/6j/khn0mcrj35d1k3yylpl8zl080000gn/T/pytest-of-ned/pytest-293/t40/othersrc/other.py</a></td>
-                <td class="name left"><a href="z_24e758a651d768e5_other_py.html"><data value=''><span class='no-noun'>(no function)</span></data></a></td>
+                <td class="name left"><a href="z_0730f1441bcc04fe_other_py.html">C:\Users\ddini\AppData\Local\Temp\pytest-of-ddini\pytest-9\popen-gw6\t1\othersrc\other.py</a></td>
+                <td class="name left"><a href="z_0730f1441bcc04fe_other_py.html"><data value=''><span class='no-noun'>(no function)</span></data></a></td>
                 <td>1</td>
                 <td>0</td>
                 <td>0</td>
@@ -108,7 +108,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 08:10 -0400
+            created at 2024-04-28 13:17 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/other/index.html b/tests/gold/html/other/index.html
index 6b9e5937b..26de08aa8 100644
--- a/tests/gold/html/other/index.html
+++ b/tests/gold/html/other/index.html
@@ -3,9 +3,9 @@
 <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
-    <link rel="icon" sizes="32x32" href="favicon_32_cb_03907183.png">
-    <link rel="stylesheet" href="style_cb_03907183.css" type="text/css">
-    <script src="coverage_html_cb_03907183.js" defer></script>
+    <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -16,7 +16,7 @@ <h1>Coverage report:
         <aside id="help_panel_wrapper">
             <input id="help_panel_state" type="checkbox">
             <label for="help_panel_state">
-                <img id="keyboard_icon" src="keybd_closed_cb_03907183.png" alt="Show/hide keyboard shortcuts">
+                <img id="keyboard_icon" src="keybd_closed_cb_ce680311.png" alt="Show/hide keyboard shortcuts">
             </label>
             <div id="help_panel">
                 <p class="legend">Shortcuts on this page</p>
@@ -54,7 +54,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 08:10 -0400
+            created at 2024-04-28 13:17 -0300
         </p>
     </div>
 </header>
@@ -62,16 +62,16 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
             <tr class="region">
-                <td class="name left"><a href="z_24e758a651d768e5_other_py.html">/private/var/folders/6j/khn0mcrj35d1k3yylpl8zl080000gn/T/pytest-of-ned/pytest-293/t40/othersrc/other.py</a></td>
+                <td class="name left"><a href="z_0730f1441bcc04fe_other_py.html">C:\Users\ddini\AppData\Local\Temp\pytest-of-ddini\pytest-9\popen-gw6\t1\othersrc\other.py</a></td>
                 <td>1</td>
                 <td>0</td>
                 <td>0</td>
@@ -103,12 +103,12 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 08:10 -0400
+            created at 2024-04-28 13:17 -0300
         </p>
     </div>
     <aside class="hidden">
         <a id="prevFileLink" class="nav" href="here_py.html"></a>
-        <a id="nextFileLink" class="nav" href="z_24e758a651d768e5_other_py.html"></a>
+        <a id="nextFileLink" class="nav" href="z_0730f1441bcc04fe_other_py.html"></a>
         <button type="button" class="button_prev_file" data-shortcut="["></button>
         <button type="button" class="button_next_file" data-shortcut="]"></button>
         <button type="button" class="button_show_hide_help" data-shortcut="?"></button>
diff --git a/tests/gold/html/partial/class_index.html b/tests/gold/html/partial/class_index.html
index 391700967..e455ca6ba 100644
--- a/tests/gold/html/partial/class_index.html
+++ b/tests/gold/html/partial/class_index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -57,7 +57,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 10:14 -0400
+            created at 2024-04-29 17:40 -0300
         </p>
     </div>
 </header>
@@ -65,14 +65,14 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="b">branches<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="p">partial<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="branches" aria-sort="none" data-default-sort-order="descending" data-shortcut="b">branches<span class="arrows"></span></th>
+                <th id="partial" aria-sort="none" data-default-sort-order="descending" data-shortcut="p">partial<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -108,7 +108,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 10:14 -0400
+            created at 2024-04-29 17:40 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/partial/function_index.html b/tests/gold/html/partial/function_index.html
index 9a3a5dfd8..c2e2d1717 100644
--- a/tests/gold/html/partial/function_index.html
+++ b/tests/gold/html/partial/function_index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -57,7 +57,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 10:14 -0400
+            created at 2024-04-29 17:40 -0300
         </p>
     </div>
 </header>
@@ -65,14 +65,14 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="b">branches<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="p">partial<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="branches" aria-sort="none" data-default-sort-order="descending" data-shortcut="b">branches<span class="arrows"></span></th>
+                <th id="partial" aria-sort="none" data-default-sort-order="descending" data-shortcut="p">partial<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -108,7 +108,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 10:14 -0400
+            created at 2024-04-29 17:40 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/partial/index.html b/tests/gold/html/partial/index.html
index de831ecf1..91d5539cf 100644
--- a/tests/gold/html/partial/index.html
+++ b/tests/gold/html/partial/index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -56,7 +56,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 10:14 -0400
+            created at 2024-04-29 17:40 -0300
         </p>
     </div>
 </header>
@@ -64,13 +64,13 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="b">branches<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="p">partial<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="branches" aria-sort="none" data-default-sort-order="descending" data-shortcut="b">branches<span class="arrows"></span></th>
+                <th id="partial" aria-sort="none" data-default-sort-order="descending" data-shortcut="p">partial<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -104,7 +104,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 10:14 -0400
+            created at 2024-04-29 17:40 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/partial_626/class_index.html b/tests/gold/html/partial_626/class_index.html
index b3b427a88..3fa31cb5c 100644
--- a/tests/gold/html/partial_626/class_index.html
+++ b/tests/gold/html/partial_626/class_index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -57,7 +57,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
 </header>
@@ -65,14 +65,14 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="b">branches<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="p">partial<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="branches" aria-sort="none" data-default-sort-order="descending" data-shortcut="b">branches<span class="arrows"></span></th>
+                <th id="partial" aria-sort="none" data-default-sort-order="descending" data-shortcut="p">partial<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -108,7 +108,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/partial_626/function_index.html b/tests/gold/html/partial_626/function_index.html
index ffe0aed67..b884070fe 100644
--- a/tests/gold/html/partial_626/function_index.html
+++ b/tests/gold/html/partial_626/function_index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -57,7 +57,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
 </header>
@@ -65,14 +65,14 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="b">branches<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="p">partial<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="branches" aria-sort="none" data-default-sort-order="descending" data-shortcut="b">branches<span class="arrows"></span></th>
+                <th id="partial" aria-sort="none" data-default-sort-order="descending" data-shortcut="p">partial<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -108,7 +108,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/partial_626/index.html b/tests/gold/html/partial_626/index.html
index 2be0417d2..f3d921961 100644
--- a/tests/gold/html/partial_626/index.html
+++ b/tests/gold/html/partial_626/index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_f81f1c3a.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -56,7 +56,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-25 23:02 -0300
         </p>
     </div>
 </header>
@@ -64,13 +64,13 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="b">branches<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="p">partial<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="branches" aria-sort="none" data-default-sort-order="descending" data-shortcut="b">branches<span class="arrows"></span></th>
+                <th id="partial" aria-sort="none" data-default-sort-order="descending" data-shortcut="p">partial<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -104,7 +104,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-25 23:02 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/styled/class_index.html b/tests/gold/html/styled/class_index.html
index 7ebc39cb1..f629bad0f 100644
--- a/tests/gold/html/styled/class_index.html
+++ b/tests/gold/html/styled/class_index.html
@@ -4,9 +4,9 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
         <link rel="stylesheet" href="myextra_cb_232e8e19.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -56,7 +56,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 16:04 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
 </header>
@@ -64,12 +64,12 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -101,7 +101,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 16:04 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/styled/function_index.html b/tests/gold/html/styled/function_index.html
index 1cd21cfe6..a8731146f 100644
--- a/tests/gold/html/styled/function_index.html
+++ b/tests/gold/html/styled/function_index.html
@@ -4,9 +4,9 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
         <link rel="stylesheet" href="myextra_cb_232e8e19.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -56,7 +56,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 16:04 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
 </header>
@@ -64,12 +64,12 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -101,7 +101,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 16:04 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/styled/index.html b/tests/gold/html/styled/index.html
index f08082cd0..141cebfb6 100644
--- a/tests/gold/html/styled/index.html
+++ b/tests/gold/html/styled/index.html
@@ -4,9 +4,9 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
         <link rel="stylesheet" href="myextra_cb_232e8e19.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <script src="coverage_html_cb_f81f1c3a.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -55,7 +55,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 16:04 -0400
+            created at 2024-04-25 23:02 -0300
         </p>
     </div>
 </header>
@@ -63,11 +63,11 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -97,7 +97,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 16:04 -0400
+            created at 2024-04-25 23:02 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/support/coverage_html.js b/tests/gold/html/support/coverage_html.js
index a28c1bef8..0a859a537 100644
--- a/tests/gold/html/support/coverage_html.js
+++ b/tests/gold/html/support/coverage_html.js
@@ -81,7 +81,32 @@ function sortColumn(th) {
         .forEach(tr => tr.parentElement.appendChild(tr));
 
     // Save the sort order for next time.
-    localStorage.setItem(coverage.INDEX_SORT_STORAGE, JSON.stringify({column, direction}));
+    if (th.id !== "region") {
+        let th_id = "file";  // Sort by file if we don't have a column id
+        let current_direction = direction;
+        const stored_list = localStorage.getItem(coverage.INDEX_SORT_STORAGE);
+        if (stored_list) {
+            ({th_id, direction} = JSON.parse(stored_list))
+        }
+        localStorage.setItem(coverage.INDEX_SORT_STORAGE, JSON.stringify({
+            "th_id": th.id,
+            "direction": current_direction
+        }));
+        if (th.id !== th_id || document.getElementById("region")) {
+            // Sort column has changed, unset sorting by function or class.
+            localStorage.setItem(coverage.SORTED_BY_REGION, JSON.stringify({
+                "by_region": false,
+                "region_direction": current_direction
+            }));
+        }
+    }
+    else {
+        // Sort column has changed to by function or class, remember that.
+        localStorage.setItem(coverage.SORTED_BY_REGION, JSON.stringify({
+            "by_region": true,
+            "region_direction": direction
+        }));
+    }
 }
 
 // Find all the elements with data-shortcut attribute, and use them to assign a shortcut key.
@@ -223,18 +248,39 @@ coverage.wire_up_sorting = function () {
     );
 
     // Look for a localStorage item containing previous sort settings:
-    var column = 0, direction = "ascending";
+    let th_id = "file", direction = "ascending";
     const stored_list = localStorage.getItem(coverage.INDEX_SORT_STORAGE);
     if (stored_list) {
-        ({column, direction} = JSON.parse(stored_list));
+        ({th_id, direction} = JSON.parse(stored_list));
+    }
+    let by_region = false, region_direction = "ascending";
+    const sorted_by_region = localStorage.getItem(coverage.SORTED_BY_REGION);
+    if (sorted_by_region) {
+        ({
+            by_region,
+            region_direction
+        } = JSON.parse(sorted_by_region));
     }
 
-    const th = document.querySelector("[data-sortable]").tHead.rows[0].cells[column];  // nosemgrep: eslint.detect-object-injection
+    const region_id = "region";
+    if (by_region && document.getElementById(region_id)) {
+        direction = region_direction;
+    }
+    // If we are in a page that has a column with id of "region", sort on
+    // it if the last sort was by function or class.
+    let th;
+    if (document.getElementById(region_id)) {
+        th = document.getElementById(by_region ? region_id : th_id);
+    }
+    else {
+        th = document.getElementById(th_id);
+    }
     th.setAttribute("aria-sort", direction === "ascending" ? "descending" : "ascending");
     th.click()
 };
 
 coverage.INDEX_SORT_STORAGE = "COVERAGE_INDEX_SORT_2";
+coverage.SORTED_BY_REGION = "COVERAGE_SORT_REGION";
 
 // Loaded on index.html
 coverage.index_ready = function () {
diff --git a/tests/gold/html/unicode/class_index.html b/tests/gold/html/unicode/class_index.html
index 8a4611bcf..c3008963a 100644
--- a/tests/gold/html/unicode/class_index.html
+++ b/tests/gold/html/unicode/class_index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -55,7 +55,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
 </header>
@@ -63,12 +63,12 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">class<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -100,7 +100,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/unicode/function_index.html b/tests/gold/html/unicode/function_index.html
index 1849617f8..23ab22d0e 100644
--- a/tests/gold/html/unicode/function_index.html
+++ b/tests/gold/html/unicode/function_index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_d1c4fcc4.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -55,7 +55,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
 </header>
@@ -63,12 +63,12 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="region" class="name left" aria-sort="none" data-default-sort-order="ascending" data-shortcut="n">function<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -100,7 +100,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-28 13:14 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/gold/html/unicode/index.html b/tests/gold/html/unicode/index.html
index 5abe1433c..bba4e6ca9 100644
--- a/tests/gold/html/unicode/index.html
+++ b/tests/gold/html/unicode/index.html
@@ -4,8 +4,8 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <title>Coverage report</title>
     <link rel="icon" sizes="32x32" href="favicon_32_cb_58284776.png">
-    <link rel="stylesheet" href="style_cb_8e611ae1.css" type="text/css">
-    <script src="coverage_html_cb_606408f0.js" defer></script>
+    <link rel="stylesheet" href="style_cb_718ce007.css" type="text/css">
+    <script src="coverage_html_cb_f81f1c3a.js" defer></script>
 </head>
 <body class="indexfile">
 <header>
@@ -54,7 +54,7 @@ <h2>
         </h2>
         <p class="text">
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-25 23:03 -0300
         </p>
     </div>
 </header>
@@ -62,11 +62,11 @@ <h2>
     <table class="index" data-sortable>
         <thead>
             <tr class="tablehead" title="Click to sort">
-                <th class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
-                <th aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
-                <th class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
+                <th id="file" class="name left" aria-sort="none" data-shortcut="f">File<span class="arrows"></span></th>
+                <th id="statements" aria-sort="none" data-default-sort-order="descending" data-shortcut="s">statements<span class="arrows"></span></th>
+                <th id="missing" aria-sort="none" data-default-sort-order="descending" data-shortcut="m">missing<span class="arrows"></span></th>
+                <th id="excluded" aria-sort="none" data-default-sort-order="descending" data-shortcut="x">excluded<span class="arrows"></span></th>
+                <th id="coverage" class="right" aria-sort="none" data-shortcut="c">coverage<span class="arrows"></span></th>
             </tr>
         </thead>
         <tbody>
@@ -96,7 +96,7 @@ <h2>
     <div class="content">
         <p>
             <a class="nav" href="https://coverage.readthedocs.io/en/7.5.1a0.dev1">coverage.py v7.5.1a0.dev1</a>,
-            created at 2024-04-24 09:22 -0400
+            created at 2024-04-25 23:03 -0300
         </p>
     </div>
     <aside class="hidden">
diff --git a/tests/test_html.py b/tests/test_html.py
index c4f7870d0..1a8c71f95 100644
--- a/tests/test_html.py
+++ b/tests/test_html.py
@@ -709,14 +709,9 @@ def compare_html(
         (filepath_to_regex(abs_file(os.getcwd())), 'TEST_TMPDIR'),
         (filepath_to_regex(flat_rootname(str(abs_file(os.getcwd())))), '_TEST_TMPDIR'),
         (r'/private/var/[\w/]+/pytest-of-\w+/pytest-\d+/(popen-gw\d+/)?t\d+', 'TEST_TMPDIR'),
+        # If the gold files were created on Windows, we need to scrub Windows paths also:
+        (r'[A-Z]:\\Users\\[\w\\]+\\pytest-of-\w+\\pytest-\d+\\(popen-gw\d+\\)?t\d+', 'TEST_TMPDIR'),
     ]
-    if env.WINDOWS:
-        # For file paths...
-        scrubs += [
-            (r'[A-Z]:\\Users\\[\w\\]+\\pytest-of-\w+\\pytest-\d+\\(popen-gw\d+\\)?t\d+',
-             'TEST_TMPDIR')
-        ]
-        scrubs += [(r"\\", "/")]
     if extra_scrubs:
         scrubs += extra_scrubs
     compare(expected, actual, file_pattern="*.html", scrubs=scrubs)
@@ -990,7 +985,8 @@ def test_other(self) -> None:
         compare_html(
             gold_path("html/other"), "out/other",
             extra_scrubs=[
-                (r'href="z_[0-9a-z]{16}_', 'href="_TEST_TMPDIR_othersrc_'),
+                (r'href="z_[0-9a-z]{16}_other_', 'href="_TEST_TMPDIR_other_othersrc_'),
+                (r'TEST_TMPDIR\\othersrc\\other.py', 'TEST_TMPDIR/othersrc/other.py'),
             ],
         )
         contains(