From ccd5b247002d09c3c81302e2e818be57dafca0d9 Mon Sep 17 00:00:00 2001
From: Jon Gunderson <jongund@illinois.edu>
Date: Tue, 16 Jan 2024 13:40:18 -0600
Subject: [PATCH] add information on using forced-colors media query in CSS

---
 .../coverage-and-quality-report.html          | 646 ++++++++++--------
 .../coverage-and-quality/prop-coverage.csv    |   2 +-
 .../coverage-and-quality/role-coverage.csv    |   2 +-
 scripts/coverage-report.js                    |   3 +
 scripts/coverage-report.template              |   1 +
 5 files changed, 377 insertions(+), 277 deletions(-)

diff --git a/content/about/coverage-and-quality/coverage-and-quality-report.html b/content/about/coverage-and-quality/coverage-and-quality-report.html
index 7c2832352d..f56d017574 100644
--- a/content/about/coverage-and-quality/coverage-and-quality-report.html
+++ b/content/about/coverage-and-quality/coverage-and-quality-report.html
@@ -51,9 +51,9 @@ <h2>About These Reports</h2>
       </p>
       <ul>
         <li><a href="#csv_files">CSV Files of Role, Properties and States Coverage</a></li>
-        <li><a href="#roles_with_no_examples">Roles with no Guidance or Examples (<span class="roles_with_no_examples_count">29</span>)</a></li>
+        <li><a href="#roles_with_no_examples">Roles with no Guidance or Examples (<span class="roles_with_no_examples_count">28</span>)</a></li>
         <li><a href="#roles_with_one_example">Roles with at Least One Guidance or Example (<span class="roles_with_one_example_count">13</span>)</a></li>
-        <li><a href="#roles_with_more_than_one_example">Roles with More than One Guidance or Example  (<span class="roles_with_more_than_one_examples_count">36</span>)</a></li>
+        <li><a href="#roles_with_more_than_one_example">Roles with More than One Guidance or Example  (<span class="roles_with_more_than_one_examples_count">37</span>)</a></li>
         <li><a href="#props_with_no_examples">Properties and States with no Examples (<span class="props_with_no_examples_count">12</span>)</a></li>
         <li><a href="#props_with_one_example">Properties and States with One Examples (<span class="props_with_one_example_count">8</span>)</a></li>
         <li><a href="#props_with_more_than_one_example">Properties and States with More than One Example  (<span class="props_with_more_than_one_examples_count">28</span>)</a></li>
@@ -70,7 +70,7 @@ <h2>CSV Formatted Reports of Role, Property, and State Coverage</h2>
     </section>
 
     <section id="roles_with_no_examples">
-      <h2 id="roles_with_no_examples_label">Roles with No Guidance or Examples (<span class="roles_with_no_examples_count">29</span>)</h2>
+      <h2 id="roles_with_no_examples_label">Roles with No Guidance or Examples (<span class="roles_with_no_examples_count">28</span>)</h2>
       <ul id="roles_with_no_examples_ul">
             <li><code>application</code></li>
             <li><code>caption</code></li>
@@ -91,7 +91,6 @@ <h2 id="roles_with_no_examples_label">Roles with No Guidance or Examples (<span
             <li><code>log</code></li>
             <li><code>marquee</code></li>
             <li><code>math</code></li>
-            <li><code>note</code></li>
             <li><code>paragraph</code></li>
             <li><code>progressbar</code></li>
             <li><code>rowheader</code></li>
@@ -203,7 +202,7 @@ <h2 id="roles_with_one_example_label">Roles with at Least One Guidance or Exampl
     </section>
 
     <section id="roles_with_more_than_one_example">
-      <h2 id="roles_with_more_than_one_label">Roles with More than One Guidance or Example (<span class="roles_with_more_than_one_examples_count">36</span>)</h2>
+      <h2 id="roles_with_more_than_one_label">Roles with More than One Guidance or Example (<span class="roles_with_more_than_one_examples_count">37</span>)</h2>
       <div><strong>NOTE:</strong> The HC abbreviation means example has High Contrast support.</div>
       <table aria-labelledby="roles_with_more_than_one_label" class="data attributes">
         <thead>
@@ -480,6 +479,50 @@ <h2 id="roles_with_more_than_one_label">Roles with More than One Guidance or Exa
             </ul>
 </td>
           </tr>
+          <tr>
+            <td><code>note</code></td>
+            <td><ul>
+                <li><a href="../../../content/patterns/button/button-pattern.html#about">Note</a></li>
+                <li><a href="../../../content/patterns/combobox/combobox-pattern.html#keyboard_interaction">Note</a></li>
+                <li><a href="../../../content/patterns/combobox/combobox-pattern.html#keyboard_interaction">Note</a></li>
+                <li><a href="../../../content/patterns/combobox/combobox-pattern.html#keyboard_interaction">Note</a></li>
+                <li><a href="../../../content/patterns/combobox/combobox-pattern.html#keyboard_interaction">Note</a></li>
+                <li><a href="../../../content/patterns/combobox/combobox-pattern.html#keyboard_interaction">Note</a></li>
+                <li><a href="../../../content/patterns/combobox/combobox-pattern.html#roles_states_properties">Note</a></li>
+                <li><a href="../../../content/patterns/dialog-modal/dialog-modal-pattern.html#keyboard_interaction">Note</a></li>
+                <li><a href="../../../content/patterns/dialog-modal/dialog-modal-pattern.html#roles_states_properties">Note</a></li>
+                <li><a href="../../../content/patterns/feed/feed-pattern.html#keyboard_interaction">Note</a></li>
+                <li><a href="../../../content/patterns/grid/grid-pattern.html#dataGrid">Note</a></li>
+                <li><a href="../../../content/patterns/grid/grid-pattern.html#dataGrid">Note</a></li>
+                <li><a href="../../../content/patterns/grid/grid-pattern.html#layoutGrid">Note</a></li>
+                <li><a href="../../../content/patterns/grid/grid-pattern.html#layoutGrid">Note</a></li>
+                <li><a href="../../../content/patterns/grid/grid-pattern.html#roles_states_properties">Note</a></li>
+                <li><a href="../../../content/patterns/link/link-pattern.html#about">note</a></li>
+                <li><a href="../../../content/patterns/listbox/listbox-pattern.html#keyboard_interaction">Note</a></li>
+                <li><a href="../../../content/patterns/listbox/listbox-pattern.html#roles_states_properties">Note</a></li>
+                <li><a href="../../../content/patterns/menubar/menu-and-menubar-pattern.html#keyboard_interaction">Note</a></li>
+                <li><a href="../../../content/patterns/menubar/menu-and-menubar-pattern.html#roles_states_properties">Note</a></li>
+                <li><a href="../../../content/patterns/meter/meter-pattern.html#about">Note</a></li>
+                <li><a href="../../../content/patterns/radio/radio-group-pattern.html#keyboard_interaction">Note</a></li>
+                <li><a href="../../../content/patterns/radio/radio-group-pattern.html#keyboard_interaction">Note</a></li>
+                <li><a href="../../../content/patterns/slider/slider-pattern.html#keyboard_interaction">Note</a></li>
+                <li><a href="../../../content/patterns/spinbutton/spinbutton-pattern.html#keyboard_interaction">Note</a></li>
+                <li><a href="../../../content/patterns/table/table-pattern.html#about">Note</a></li>
+                <li><a href="../../../content/patterns/table/table-pattern.html#roles_states_properties">Note</a></li>
+                <li><a href="../../../content/patterns/tabs/tabs-pattern.html#keyboard_interaction">Note</a></li>
+                <li><a href="../../../content/patterns/toolbar/toolbar-pattern.html#keyboard_interaction">Note</a></li>
+                <li><a href="../../../content/patterns/tooltip/tooltip-pattern.html#keyboard_interaction">Note</a></li>
+                <li><a href="../../../content/patterns/treegrid/treegrid-pattern.html#keyboard_interaction">Note</a></li>
+                <li><a href="../../../content/patterns/treegrid/treegrid-pattern.html#keyboard_interaction">Note</a></li>
+                <li><a href="../../../content/patterns/treegrid/treegrid-pattern.html#roles_states_properties">Note</a></li>
+                <li><a href="../../../content/patterns/treeview/treeview-pattern.html#keyboard_interaction">Note</a></li>
+                <li><a href="../../../content/patterns/treeview/treeview-pattern.html#roles_states_properties">Note</a></li>
+                <li><a href="../../../content/patterns/windowsplitter/windowsplitter-pattern.html#keyboard_interaction">Note</a></li>
+                <li><a href="../../../content/practices/keyboard-interface/keyboard-interface-practice.html#kbd_shortcuts_assigning">Note</a></li>
+            </ul>
+</td>
+            <td></td>
+          </tr>
           <tr>
             <td><code>option</code></td>
             <td></td>
@@ -940,6 +983,9 @@ <h2 id="props_with_more_than_one_label">Properties and States with More than One
             <td></td>
             <td><ul>
                 <li><a href="../../../content/patterns/button/examples/button_idl.html">Button  (IDL Version)</a></li>
+                <li><a href="../../../content/patterns/listbox/examples/listbox-grouped.html">Listbox  with Grouped Options</a></li>
+                <li><a href="../../../content/patterns/listbox/examples/listbox-rearrangeable.html">Listboxes with Rearrangeable Options</a></li>
+                <li><a href="../../../content/patterns/listbox/examples/listbox-scrollable.html">Scrollable Listbox</a></li>
                 <li><a href="../../../content/patterns/menubar/examples/menubar-editor.html">Editor Menubar</a> (<abbr title="High Contrast Support">HC</abbr>)</li>
                 <li><a href="../../../content/patterns/slider-multithumb/examples/slider-multithumb.html">Horizontal Multi-Thumb Slider</a> (<abbr title="High Contrast Support">HC</abbr>)</li>
                 <li><a href="../../../content/patterns/slider/examples/slider-color-viewer.html">Color Viewer Slider</a> (<abbr title="High Contrast Support">HC</abbr>)</li>
@@ -1232,7 +1278,7 @@ <h3 id="example_summary">Coding Summary</h3>
           </tr>
           <tr>
             <th scope="row">Uses SVG</th>
-            <td id="example_summary_svg">33</td>
+            <td id="example_summary_svg">34</td>
           </tr>
           <tr>
             <th scope="row">Uses <code>forced-color-adjust</code> on SVG</th>
@@ -1240,23 +1286,23 @@ <h3 id="example_summary">Coding Summary</h3>
           </tr>
           <tr>
             <th scope="row">Uses <code>event.KeyCode</code></th>
-            <td id="example_summary_keycode">20</td>
+            <td id="example_summary_keycode">16</td>
           </tr>
           <tr>
             <th scope="row">Uses <code>event.which</code></th>
-            <td id="example_summary_which">12</td>
+            <td id="example_summary_which">60</td>
           </tr>
           <tr>
             <th scope="row">Use Class</th>
-            <td id="example_summary_class">31</td>
+            <td id="example_summary_class">36</td>
           </tr>
           <tr>
             <th scope="row">Use Prototype</th>
-            <td id="example_summary_prototype">23</td>
+            <td id="example_summary_prototype">60</td>
           </tr>
           <tr>
             <th scope="row">Mouse Events</th>
-            <td id="example_summary_mouse">16</td>
+            <td id="example_summary_mouse">15</td>
           </tr>
           <tr>
             <th scope="row">Pointer Events</th>
@@ -1285,29 +1331,29 @@ <h3 id="example_coding_practices">Coding Practices</h3>
         <tbody id="example_coding_practices_tbody">
           <tr>
             <td><a href="../../../content/patterns/accordion/examples/accordion.html">Accordion</a></td>
-            <td>class</td>
-            <td></td>
+            <td>class, prototype</td>
             <td></td>
+            <td>Yes</td>
             <td></td>
             <td>ex1</td>
-            <td>4</td>
+            <td>2</td>
             <td>1</td>
-            <td>9</td>
+            <td>10</td>
             <td>3</td>
-            <td>heading,menu,menuitem,aria-busy,aria-haspopup,aria-hidden,aria-label,aria-required,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-hidden,aria-label,aria-required,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/alert/examples/alert.html">Alert</a></td>
+            <td>prototype</td>
             <td></td>
-            <td></td>
-            <td></td>
+            <td>Yes</td>
             <td></td>
             <td>ex1</td>
-            <td>4</td>
+            <td>2</td>
             <td>1</td>
-            <td>7</td>
+            <td>8</td>
             <td>2</td>
-            <td>heading,menu,menuitem,aria-busy,aria-controls,aria-expanded,aria-haspopup,aria-label,aria-labelledby,aria-roledescription,aria-live,aria-atomic</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-expanded,aria-hidden,aria-label,aria-labelledby,aria-roledescription,aria-live,aria-atomic</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/alertdialog/examples/alertdialog.html">Alert Dialog</a></td>
@@ -1316,167 +1362,167 @@ <h3 id="example_coding_practices">Coding Practices</h3>
             <td>Yes</td>
             <td></td>
             <td>ex_alertdialog</td>
-            <td>5</td>
+            <td>3</td>
             <td>2</td>
-            <td>11</td>
+            <td>10</td>
             <td>4</td>
-            <td>heading,menu,menuitem,aria-busy,aria-controls,aria-expanded,aria-haspopup,aria-hidden,aria-label,aria-roledescription</td>
+            <td>heading,aria-busy,aria-errormessage,aria-expanded,aria-hidden,aria-label,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/breadcrumb/examples/breadcrumb.html">Breadcrumb</a></td>
+            <td>prototype</td>
             <td></td>
-            <td></td>
-            <td></td>
+            <td>Yes</td>
             <td></td>
             <td>ex1</td>
-            <td>4</td>
+            <td>2</td>
             <td>0</td>
-            <td>8</td>
+            <td>9</td>
             <td>2</td>
-            <td>heading,menu,menuitem,navigation,aria-busy,aria-controls,aria-expanded,aria-haspopup,aria-labelledby,aria-roledescription</td>
+            <td>heading,navigation,aria-busy,aria-describedby,aria-errormessage,aria-expanded,aria-hidden,aria-labelledby,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/button/examples/button_idl.html">Button  (IDL Version)</a></td>
-            <td></td>
+            <td>prototype</td>
+            <td>Yes</td>
             <td>Yes</td>
-            <td></td>
             <td></td>
             <td>example</td>
-            <td>4</td>
+            <td>2</td>
             <td>1</td>
             <td>9</td>
             <td>2</td>
-            <td>heading,menu,menuitem,aria-busy,aria-controls,aria-expanded,aria-haspopup,aria-label,aria-labelledby,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-expanded,aria-label,aria-labelledby,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/button/examples/button.html">Button</a></td>
-            <td></td>
+            <td>prototype</td>
+            <td>Yes</td>
             <td>Yes</td>
-            <td></td>
             <td></td>
             <td>example</td>
-            <td>4</td>
+            <td>2</td>
             <td>1</td>
             <td>9</td>
             <td>1</td>
-            <td>heading,menu,menuitem,aria-busy,aria-controls,aria-expanded,aria-haspopup,aria-hidden,aria-label,aria-labelledby,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-expanded,aria-hidden,aria-label,aria-labelledby,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/carousel/examples/carousel-1-prev-next.html">Auto-Rotating Image Carousel  with Buttons for Slide Control</a></td>
             <td>prototype</td>
             <td></td>
-            <td></td>
+            <td>Yes</td>
             <td></td>
             <td>ex1</td>
-            <td>5</td>
+            <td>3</td>
             <td>2</td>
-            <td>8</td>
+            <td>10</td>
             <td>4</td>
-            <td>heading,menu,menuitem,aria-busy,aria-expanded,aria-haspopup,aria-labelledby</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-expanded,aria-hidden,aria-labelledby</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/carousel/examples/carousel-2-tablist.html">Auto-Rotating Image Carousel with Tabs for Slide Control</a></td>
             <td>prototype</td>
             <td></td>
-            <td></td>
+            <td>Yes</td>
             <td>Yes</td>
             <td>ex1</td>
-            <td>7</td>
+            <td>5</td>
             <td>4</td>
-            <td>9</td>
+            <td>11</td>
             <td>5</td>
-            <td>heading,menu,menuitem,aria-busy,aria-expanded,aria-haspopup,aria-labelledby</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-expanded,aria-hidden,aria-labelledby</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/checkbox/examples/checkbox-mixed.html">Checkbox  (Mixed-State)</a></td>
-            <td>class</td>
-            <td></td>
+            <td>class, prototype</td>
             <td></td>
             <td>Yes</td>
+            <td>Yes</td>
             <td>ex1</td>
-            <td>4</td>
+            <td>2</td>
             <td>1</td>
-            <td>8</td>
+            <td>10</td>
             <td>2</td>
-            <td>heading,menu,menuitem,aria-busy,aria-expanded,aria-haspopup,aria-label,aria-labelledby,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-expanded,aria-hidden,aria-label,aria-labelledby,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/checkbox/examples/checkbox.html">Checkbox  (Two State)</a></td>
-            <td>class</td>
-            <td></td>
+            <td>class, prototype</td>
             <td></td>
             <td>Yes</td>
+            <td>Yes</td>
             <td>ex1</td>
-            <td>5</td>
+            <td>3</td>
             <td>2</td>
-            <td>8</td>
+            <td>9</td>
             <td>2</td>
-            <td>heading,menu,menuitem,aria-busy,aria-controls,aria-expanded,aria-haspopup,aria-label,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-expanded,aria-hidden,aria-label,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/combobox/examples/combobox-autocomplete-both.html">Editable Combobox With Both List and Inline Autocomplete</a></td>
-            <td>class</td>
-            <td></td>
+            <td>class, prototype</td>
             <td></td>
             <td>Yes</td>
+            <td>Yes</td>
             <td>ex1</td>
-            <td>6</td>
+            <td>4</td>
             <td>3</td>
-            <td>11</td>
+            <td>12</td>
             <td>6</td>
-            <td>heading,menu,menuitem,aria-busy,aria-haspopup,aria-hidden,aria-labelledby,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-hidden,aria-labelledby,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/combobox/examples/combobox-autocomplete-list.html">Editable Combobox With List Autocomplete</a></td>
-            <td>class</td>
-            <td></td>
+            <td>class, prototype</td>
             <td></td>
             <td>Yes</td>
+            <td>Yes</td>
             <td>ex1</td>
-            <td>6</td>
+            <td>4</td>
             <td>3</td>
-            <td>11</td>
+            <td>12</td>
             <td>6</td>
-            <td>heading,menu,menuitem,aria-busy,aria-haspopup,aria-hidden,aria-labelledby,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-hidden,aria-labelledby,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/combobox/examples/combobox-autocomplete-none.html">Editable Combobox without Autocomplete</a></td>
-            <td>class</td>
-            <td></td>
+            <td>class, prototype</td>
             <td></td>
             <td>Yes</td>
+            <td>Yes</td>
             <td>ex1</td>
-            <td>6</td>
+            <td>4</td>
             <td>3</td>
-            <td>11</td>
+            <td>12</td>
             <td>6</td>
-            <td>heading,menu,menuitem,aria-busy,aria-haspopup,aria-hidden,aria-labelledby,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-hidden,aria-labelledby,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/combobox/examples/combobox-datepicker.html">Date Picker Combobox</a></td>
-            <td>class</td>
-            <td></td>
+            <td>class, prototype</td>
             <td></td>
             <td>Yes</td>
+            <td>Yes</td>
             <td>ex1</td>
-            <td>7</td>
+            <td>5</td>
             <td>3</td>
-            <td>13</td>
+            <td>14</td>
             <td>10</td>
-            <td>gridcell,heading,menu,menuitem,aria-busy,aria-hidden,aria-roledescription</td>
+            <td>gridcell,heading,aria-busy,aria-errormessage,aria-hidden,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/combobox/examples/combobox-select-only.html">Select-Only Combobox</a></td>
             <td>prototype</td>
             <td></td>
-            <td></td>
+            <td>Yes</td>
             <td></td>
             <td>ex1</td>
-            <td>5</td>
             <td>3</td>
-            <td>9</td>
+            <td>3</td>
+            <td>12</td>
             <td>5</td>
-            <td>heading,menu,menuitem,option,aria-busy,aria-haspopup,aria-label,aria-roledescription</td>
+            <td>heading,option,aria-busy,aria-describedby,aria-errormessage,aria-haspopup,aria-hidden,aria-label,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/combobox/examples/grid-combo.html">Editable Combobox with Grid Popup</a></td>
@@ -1485,24 +1531,24 @@ <h3 id="example_coding_practices">Coding Practices</h3>
             <td>Yes</td>
             <td></td>
             <td>ex1</td>
-            <td>5</td>
+            <td>3</td>
             <td>4</td>
-            <td>10</td>
+            <td>13</td>
             <td>7</td>
-            <td>heading,menu,menuitem,row,gridcell,aria-busy,aria-label,aria-roledescription</td>
+            <td>heading,row,gridcell,aria-busy,aria-describedby,aria-errormessage,aria-hidden,aria-label,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/dialog-modal/examples/datepicker-dialog.html">Date Picker Dialog</a></td>
-            <td>prototype</td>
+            <td>class, prototype</td>
             <td></td>
             <td>Yes</td>
             <td>Yes</td>
             <td>example</td>
-            <td>6</td>
+            <td>4</td>
             <td>2</td>
             <td>11</td>
             <td>6</td>
-            <td>gridcell,heading,menu,menuitem,aria-busy,aria-controls,aria-expanded,aria-haspopup,aria-roledescription</td>
+            <td>gridcell,heading,aria-busy,aria-errormessage,aria-expanded,aria-hidden,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/dialog-modal/examples/dialog.html">Modal Dialog</a></td>
@@ -1511,76 +1557,63 @@ <h3 id="example_coding_practices">Coding Practices</h3>
             <td>Yes</td>
             <td></td>
             <td>ex1</td>
-            <td>4</td>
+            <td>2</td>
             <td>1</td>
             <td>9</td>
             <td>3</td>
-            <td>heading,menu,menuitem,aria-busy,aria-controls,aria-expanded,aria-haspopup,aria-label,aria-roledescription</td>
+            <td>heading,aria-busy,aria-errormessage,aria-expanded,aria-hidden,aria-label,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/disclosure/examples/disclosure-faq.html">Disclosure (Show/Hide) for Answers to Frequently Asked Questions</a></td>
-            <td>class</td>
-            <td></td>
+            <td>class, prototype</td>
             <td></td>
             <td>Yes</td>
+            <td>Yes</td>
             <td>ex1</td>
-            <td>3</td>
+            <td>1</td>
             <td>0</td>
-            <td>7</td>
+            <td>9</td>
             <td>2</td>
-            <td>heading,menu,menuitem,aria-busy,aria-haspopup,aria-label,aria-labelledby,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-hidden,aria-label,aria-labelledby,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/disclosure/examples/disclosure-image-description.html">Disclosure (Show/Hide) for Image Description</a></td>
-            <td>class</td>
-            <td></td>
+            <td>class, prototype</td>
             <td></td>
             <td>Yes</td>
+            <td>Yes</td>
             <td>ex1</td>
-            <td>3</td>
+            <td>1</td>
             <td>0</td>
-            <td>7</td>
+            <td>9</td>
             <td>2</td>
-            <td>heading,menu,menuitem,aria-busy,aria-haspopup,aria-label,aria-labelledby,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-hidden,aria-label,aria-labelledby,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/disclosure/examples/disclosure-navigation-hybrid.html">Disclosure Navigation Menu with Top-Level Links</a></td>
             <td>class, prototype</td>
             <td></td>
-            <td></td>
+            <td>Yes</td>
             <td></td>
             <td>ex1</td>
-            <td>7</td>
+            <td>5</td>
             <td>0</td>
-            <td>8</td>
+            <td>10</td>
             <td>3</td>
-            <td>banner,contentinfo,heading,menu,menuitem,navigation,region,aria-busy,aria-haspopup,aria-label,aria-labelledby,aria-roledescription</td>
+            <td>banner,contentinfo,heading,navigation,region,aria-busy,aria-describedby,aria-errormessage,aria-hidden,aria-label,aria-labelledby,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/disclosure/examples/disclosure-navigation.html">Disclosure Navigation Menu</a></td>
             <td>class, prototype</td>
             <td></td>
-            <td></td>
+            <td>Yes</td>
             <td>Yes</td>
             <td>ex1</td>
-            <td>5</td>
-            <td>0</td>
-            <td>8</td>
             <td>3</td>
-            <td>heading,menu,menuitem,navigation,region,aria-busy,aria-haspopup,aria-label,aria-labelledby,aria-roledescription</td>
-          </tr>
-          <tr>
-            <td><a href="../../../content/patterns/feed/examples/feed.html">Feed</a></td>
-            <td></td>
-            <td></td>
-            <td></td>
-            <td></td>
-            <td>ex1</td>
+            <td>0</td>
+            <td>10</td>
             <td>3</td>
-            <td>2</td>
-            <td>7</td>
-            <td>5</td>
-            <td>heading,menu,menuitem,feed,article,aria-controls,aria-expanded,aria-haspopup,aria-label,aria-roledescription,aria-describedby,aria-posinset,aria-setsize</td>
+            <td>heading,navigation,region,aria-busy,aria-describedby,aria-errormessage,aria-hidden,aria-label,aria-labelledby,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/feed/examples/feed-display.html">Feed Display</a></td>
@@ -1595,6 +1628,19 @@ <h3 id="example_coding_practices">Coding Practices</h3>
             <td>0</td>
             <td>aria-busy,aria-describedby,aria-label,aria-labelledby,aria-posinset,aria-setsize</td>
           </tr>
+          <tr>
+            <td><a href="../../../content/patterns/feed/examples/feed.html">Feed</a></td>
+            <td>prototype</td>
+            <td></td>
+            <td>Yes</td>
+            <td></td>
+            <td>ex1</td>
+            <td>1</td>
+            <td>2</td>
+            <td>8</td>
+            <td>5</td>
+            <td>heading,feed,article,aria-errormessage,aria-expanded,aria-hidden,aria-label,aria-roledescription,aria-posinset,aria-setsize</td>
+          </tr>
           <tr>
             <td><a href="../../../content/patterns/grid/examples/advanced-data-grid.html">Advanced Data Grid</a></td>
             <td>prototype</td>
@@ -1602,11 +1648,11 @@ <h3 id="example_coding_practices">Coding Practices</h3>
             <td>Yes</td>
             <td></td>
             <td>ex1</td>
-            <td>3</td>
+            <td>1</td>
             <td>0</td>
-            <td>10</td>
+            <td>13</td>
             <td>0</td>
-            <td>heading,menu,menuitem,aria-busy,aria-colindex,aria-controls,aria-expanded,aria-haspopup,aria-label,aria-labelledby,aria-roledescription,aria-rowindex,aria-sort</td>
+            <td>heading,aria-busy,aria-colindex,aria-controls,aria-describedby,aria-errormessage,aria-expanded,aria-haspopup,aria-hidden,aria-label,aria-labelledby,aria-roledescription,aria-rowindex,aria-sort</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/grid/examples/data-grids.html">Data Grid</a></td>
@@ -1617,9 +1663,9 @@ <h3 id="example_coding_practices">Coding Practices</h3>
             <td>ex1</td>
             <td>5</td>
             <td>1</td>
-            <td>12</td>
+            <td>15</td>
             <td>6</td>
-            <td>button,heading,menu,menuitem,aria-busy,aria-controls,aria-expanded,aria-haspopup,aria-label,aria-roledescription</td>
+            <td>button,heading,menu,menuitem,aria-busy,aria-controls,aria-describedby,aria-errormessage,aria-expanded,aria-haspopup,aria-hidden,aria-label,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/grid/examples/layout-grids.html">Layout Grid</a></td>
@@ -1628,440 +1674,440 @@ <h3 id="example_coding_practices">Coding Practices</h3>
             <td>Yes</td>
             <td></td>
             <td>ex1</td>
-            <td>8</td>
+            <td>6</td>
             <td>3</td>
-            <td>13</td>
+            <td>15</td>
             <td>3</td>
-            <td>button,heading,menu,menuitem,region,aria-busy,aria-colindex,aria-controls,aria-expanded,aria-haspopup,aria-label,aria-live,aria-relevant,aria-roledescription,aria-sort</td>
+            <td>button,heading,region,aria-busy,aria-colindex,aria-describedby,aria-errormessage,aria-expanded,aria-haspopup,aria-hidden,aria-label,aria-live,aria-relevant,aria-roledescription,aria-sort</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/link/examples/link.html">Link</a></td>
-            <td></td>
+            <td>prototype</td>
+            <td>Yes</td>
             <td>Yes</td>
-            <td></td>
             <td></td>
             <td>not found</td>
-            <td>4</td>
+            <td>2</td>
             <td>1</td>
-            <td>7</td>
+            <td>8</td>
             <td>1</td>
-            <td>heading,menu,menuitem,aria-busy,aria-controls,aria-expanded,aria-haspopup,aria-labelledby,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-expanded,aria-hidden,aria-labelledby,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/listbox/examples/listbox-collapsible.html">(Deprecated) Collapsible Dropdown Listbox</a></td>
-            <td>prototype</td>
-            <td>Yes</td>
+            <td>class, prototype</td>
+            <td></td>
             <td>Yes</td>
             <td></td>
             <td>ex</td>
-            <td>5</td>
+            <td>3</td>
             <td>2</td>
-            <td>12</td>
+            <td>14</td>
             <td>5</td>
-            <td>heading,menu,menuitem,aria-busy,aria-controls,aria-disabled,aria-keyshortcuts,aria-label,aria-multiselectable,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-disabled,aria-errormessage,aria-hidden,aria-keyshortcuts,aria-label,aria-multiselectable,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/listbox/examples/listbox-grouped.html">Listbox  with Grouped Options</a></td>
-            <td>prototype</td>
-            <td>Yes</td>
+            <td>class, prototype</td>
+            <td></td>
             <td>Yes</td>
             <td></td>
             <td>ex</td>
-            <td>7</td>
-            <td>3</td>
-            <td>12</td>
+            <td>5</td>
             <td>3</td>
-            <td>heading,menu,menuitem,presentation,aria-busy,aria-controls,aria-disabled,aria-expanded,aria-haspopup,aria-keyshortcuts,aria-label,aria-multiselectable,aria-roledescription</td>
+            <td>13</td>
+            <td>4</td>
+            <td>heading,presentation,aria-busy,aria-describedby,aria-disabled,aria-errormessage,aria-expanded,aria-keyshortcuts,aria-label,aria-multiselectable,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/listbox/examples/listbox-rearrangeable.html">Listboxes with Rearrangeable Options</a></td>
-            <td>prototype</td>
-            <td>Yes</td>
+            <td>class, prototype</td>
+            <td></td>
             <td>Yes</td>
             <td></td>
             <td>ex1</td>
-            <td>6</td>
-            <td>2</td>
-            <td>13</td>
             <td>4</td>
-            <td>heading,menu,menuitem,toolbar,aria-busy,aria-controls,aria-disabled,aria-expanded,aria-haspopup,aria-keyshortcuts,aria-label,aria-live,aria-roledescription</td>
+            <td>2</td>
+            <td>14</td>
+            <td>5</td>
+            <td>heading,toolbar,aria-busy,aria-describedby,aria-disabled,aria-errormessage,aria-expanded,aria-keyshortcuts,aria-label,aria-live,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/listbox/examples/listbox-scrollable.html">Scrollable Listbox</a></td>
-            <td>prototype</td>
-            <td>Yes</td>
+            <td>class, prototype</td>
+            <td></td>
             <td>Yes</td>
             <td></td>
             <td>ex</td>
-            <td>5</td>
-            <td>2</td>
-            <td>12</td>
             <td>3</td>
-            <td>heading,menu,menuitem,aria-busy,aria-controls,aria-disabled,aria-expanded,aria-haspopup,aria-keyshortcuts,aria-label,aria-multiselectable,aria-roledescription</td>
+            <td>2</td>
+            <td>13</td>
+            <td>4</td>
+            <td>heading,aria-busy,aria-describedby,aria-disabled,aria-errormessage,aria-expanded,aria-keyshortcuts,aria-label,aria-multiselectable,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/menu-button/examples/menu-button-actions-active-descendant.html">Actions Menu Button  Using aria-activedescendant</a></td>
-            <td>class</td>
-            <td></td>
+            <td>class, prototype</td>
             <td></td>
             <td>Yes</td>
+            <td>Yes</td>
             <td>ex1</td>
             <td>3</td>
             <td>2</td>
-            <td>8</td>
+            <td>11</td>
             <td>5</td>
-            <td>heading,aria-busy,aria-label,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-hidden,aria-label,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/menu-button/examples/menu-button-actions.html">Actions Menu Button  Using element.focus()</a></td>
-            <td>class</td>
-            <td></td>
+            <td>class, prototype</td>
             <td></td>
             <td>Yes</td>
+            <td>Yes</td>
             <td>ex1</td>
             <td>3</td>
             <td>2</td>
-            <td>7</td>
+            <td>10</td>
             <td>4</td>
-            <td>heading,aria-busy,aria-label,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-hidden,aria-label,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/menu-button/examples/menu-button-links.html">Navigation Menu Button</a></td>
-            <td>class</td>
-            <td></td>
+            <td>class, prototype</td>
             <td></td>
             <td>Yes</td>
+            <td>Yes</td>
             <td>ex1</td>
             <td>4</td>
             <td>3</td>
-            <td>7</td>
+            <td>10</td>
             <td>4</td>
-            <td>heading,aria-busy,aria-label,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-hidden,aria-label,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/menubar/examples/menubar-editor.html">Editor Menubar</a></td>
-            <td>class</td>
-            <td></td>
+            <td>class, prototype</td>
             <td></td>
             <td>Yes</td>
+            <td>Yes</td>
             <td>ex1</td>
             <td>9</td>
             <td>7</td>
-            <td>11</td>
+            <td>12</td>
             <td>6</td>
-            <td>heading,none,aria-busy,aria-controls,aria-labelledby,aria-orientation,aria-roledescription</td>
+            <td>heading,none,aria-busy,aria-describedby,aria-errormessage,aria-labelledby,aria-orientation,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/menubar/examples/menubar-navigation.html">Navigation Menubar</a></td>
-            <td>class</td>
-            <td></td>
+            <td>class, prototype</td>
             <td></td>
             <td>Yes</td>
+            <td>Yes</td>
             <td>ex1</td>
             <td>10</td>
             <td>8</td>
-            <td>9</td>
+            <td>11</td>
             <td>5</td>
-            <td>heading,separator,aria-busy,aria-controls,aria-orientation,aria-roledescription</td>
+            <td>heading,separator,aria-busy,aria-describedby,aria-errormessage,aria-hidden,aria-orientation,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/meter/examples/meter.html">Meter</a></td>
             <td>prototype</td>
             <td></td>
-            <td></td>
+            <td>Yes</td>
             <td></td>
             <td>example</td>
-            <td>4</td>
+            <td>2</td>
             <td>1</td>
             <td>11</td>
             <td>4</td>
-            <td>heading,menu,menuitem,aria-busy,aria-controls,aria-expanded,aria-haspopup,aria-hidden,aria-label,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-expanded,aria-hidden,aria-label,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/radio/examples/radio-activedescendant.html">Radio Group  Using aria-activedescendant</a></td>
-            <td>class</td>
-            <td></td>
+            <td>class, prototype</td>
             <td></td>
             <td>Yes</td>
+            <td>Yes</td>
             <td>ex1</td>
-            <td>5</td>
+            <td>3</td>
             <td>2</td>
-            <td>9</td>
+            <td>10</td>
             <td>3</td>
-            <td>heading,menu,menuitem,aria-busy,aria-controls,aria-expanded,aria-haspopup,aria-label,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-expanded,aria-hidden,aria-label,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/radio/examples/radio-rating.html">Rating Radio Group</a></td>
-            <td>class</td>
-            <td></td>
+            <td>class, prototype</td>
             <td></td>
             <td>Yes</td>
+            <td>Yes</td>
             <td>ex1</td>
-            <td>6</td>
+            <td>4</td>
             <td>3</td>
-            <td>8</td>
+            <td>9</td>
             <td>3</td>
-            <td>heading,menu,menuitem,aria-busy,aria-controls,aria-expanded,aria-haspopup,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-expanded,aria-hidden,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/radio/examples/radio.html">Radio Group  Using Roving tabindex</a></td>
-            <td>class</td>
-            <td></td>
+            <td>class, prototype</td>
             <td></td>
             <td>Yes</td>
+            <td>Yes</td>
             <td>ex1</td>
-            <td>5</td>
+            <td>3</td>
             <td>2</td>
-            <td>8</td>
+            <td>9</td>
             <td>2</td>
-            <td>heading,menu,menuitem,aria-busy,aria-controls,aria-expanded,aria-haspopup,aria-label,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-expanded,aria-hidden,aria-label,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/slider-multithumb/examples/slider-multithumb.html">Horizontal Multi-Thumb Slider</a></td>
-            <td>class</td>
-            <td></td>
+            <td>class, prototype</td>
             <td></td>
             <td>Yes</td>
+            <td>Yes</td>
             <td>ex1</td>
-            <td>5</td>
+            <td>3</td>
             <td>2</td>
             <td>11</td>
             <td>5</td>
-            <td>heading,menu,menuitem,aria-busy,aria-controls,aria-expanded,aria-haspopup,aria-labelledby,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-expanded,aria-labelledby,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/slider/examples/slider-color-viewer.html">Color Viewer Slider</a></td>
-            <td>class</td>
-            <td></td>
+            <td>class, prototype</td>
             <td></td>
             <td>Yes</td>
+            <td>Yes</td>
             <td>ex1</td>
-            <td>5</td>
+            <td>3</td>
             <td>2</td>
             <td>11</td>
             <td>5</td>
-            <td>heading,menu,menuitem,aria-busy,aria-controls,aria-expanded,aria-haspopup,aria-label,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-expanded,aria-label,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/slider/examples/slider-rating.html">Rating Slider</a></td>
-            <td>class</td>
-            <td></td>
+            <td>class, prototype</td>
             <td></td>
             <td>Yes</td>
+            <td>Yes</td>
             <td>ex1</td>
-            <td>4</td>
+            <td>2</td>
             <td>1</td>
             <td>12</td>
             <td>6</td>
-            <td>heading,menu,menuitem,aria-busy,aria-controls,aria-expanded,aria-haspopup,aria-label,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-expanded,aria-label,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/slider/examples/slider-seek.html">Media Seek Slider</a></td>
-            <td>class</td>
-            <td></td>
+            <td>class, prototype</td>
             <td></td>
             <td>Yes</td>
+            <td>Yes</td>
             <td>ex1</td>
-            <td>5</td>
+            <td>3</td>
             <td>2</td>
             <td>12</td>
             <td>6</td>
-            <td>heading,menu,menuitem,aria-busy,aria-controls,aria-expanded,aria-haspopup,aria-label,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-expanded,aria-label,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/slider/examples/slider-temperature.html">Vertical Temperature Slider</a></td>
-            <td>class</td>
-            <td></td>
+            <td>class, prototype</td>
             <td></td>
             <td>Yes</td>
+            <td>Yes</td>
             <td>ex1</td>
-            <td>5</td>
+            <td>3</td>
             <td>2</td>
             <td>13</td>
             <td>7</td>
-            <td>heading,menu,menuitem,aria-busy,aria-controls,aria-expanded,aria-haspopup,aria-label,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-expanded,aria-label,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/spinbutton/examples/datepicker-spinbuttons.html">Date Picker Spin Button</a></td>
             <td>prototype</td>
             <td>Yes</td>
-            <td></td>
+            <td>Yes</td>
             <td></td>
             <td>example</td>
-            <td>5</td>
+            <td>3</td>
             <td>2</td>
             <td>12</td>
             <td>7</td>
-            <td>heading,menu,menuitem,aria-busy,aria-controls,aria-expanded,aria-haspopup,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-expanded,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/switch/examples/switch-button.html">Switch  Using HTML Button</a></td>
-            <td>class</td>
-            <td></td>
+            <td>class, prototype</td>
             <td></td>
             <td>Yes</td>
+            <td>Yes</td>
             <td>ex1</td>
-            <td>5</td>
+            <td>3</td>
             <td>2</td>
             <td>9</td>
             <td>3</td>
-            <td>heading,menu,menuitem,aria-busy,aria-controls,aria-expanded,aria-haspopup,aria-label,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-expanded,aria-label,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/switch/examples/switch-checkbox.html">Switch  Using HTML Checkbox Input</a></td>
-            <td>class</td>
-            <td></td>
+            <td>class, prototype</td>
             <td></td>
             <td>Yes</td>
+            <td>Yes</td>
             <td>ex1</td>
-            <td>4</td>
+            <td>2</td>
             <td>1</td>
             <td>8</td>
             <td>1</td>
-            <td>heading,menu,menuitem,aria-busy,aria-controls,aria-expanded,aria-haspopup,aria-label,aria-labelledby,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-expanded,aria-label,aria-labelledby,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/switch/examples/switch.html">Switch</a></td>
-            <td>class</td>
-            <td></td>
+            <td>class, prototype</td>
             <td></td>
             <td>Yes</td>
+            <td>Yes</td>
             <td>ex1</td>
-            <td>4</td>
+            <td>2</td>
             <td>1</td>
             <td>9</td>
             <td>2</td>
-            <td>heading,menu,menuitem,aria-busy,aria-controls,aria-expanded,aria-haspopup,aria-label,aria-labelledby,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-expanded,aria-label,aria-labelledby,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/table/examples/sortable-table.html">Sortable Table</a></td>
-            <td>class</td>
-            <td></td>
+            <td>class, prototype</td>
             <td></td>
             <td>Yes</td>
+            <td>Yes</td>
             <td>ex1</td>
-            <td>3</td>
+            <td>1</td>
             <td>0</td>
             <td>9</td>
             <td>2</td>
-            <td>heading,menu,menuitem,aria-busy,aria-controls,aria-expanded,aria-haspopup,aria-label,aria-labelledby,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-expanded,aria-label,aria-labelledby,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/table/examples/table.html">Table</a></td>
+            <td>prototype</td>
             <td></td>
-            <td></td>
-            <td></td>
+            <td>Yes</td>
             <td></td>
             <td>ex1</td>
-            <td>8</td>
+            <td>6</td>
             <td>5</td>
             <td>8</td>
             <td>2</td>
-            <td>heading,menu,menuitem,aria-busy,aria-controls,aria-expanded,aria-haspopup,aria-labelledby,aria-roledescription</td>
+            <td>heading,aria-busy,aria-errormessage,aria-expanded,aria-hidden,aria-labelledby,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/tabs/examples/tabs-automatic.html">Tabs with Automatic Activation</a></td>
-            <td>class</td>
-            <td></td>
+            <td>class, prototype</td>
             <td></td>
             <td>Yes</td>
+            <td>Yes</td>
             <td>ex1</td>
-            <td>6</td>
+            <td>4</td>
             <td>3</td>
-            <td>8</td>
+            <td>10</td>
             <td>3</td>
-            <td>heading,menu,menuitem,aria-busy,aria-expanded,aria-haspopup,aria-label,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-expanded,aria-hidden,aria-label,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/tabs/examples/tabs-manual.html">Tabs with Manual Activation</a></td>
-            <td>class</td>
-            <td></td>
+            <td>class, prototype</td>
             <td></td>
             <td>Yes</td>
+            <td>Yes</td>
             <td>ex1</td>
-            <td>6</td>
+            <td>4</td>
             <td>3</td>
-            <td>8</td>
+            <td>10</td>
             <td>3</td>
-            <td>heading,menu,menuitem,aria-busy,aria-expanded,aria-haspopup,aria-label,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-expanded,aria-hidden,aria-label,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/toolbar/examples/help.html">Toolbar</a></td>
+            <td>prototype</td>
             <td></td>
-            <td></td>
-            <td></td>
+            <td>Yes</td>
             <td></td>
             <td>not found</td>
-            <td>3</td>
+            <td>1</td>
             <td>0</td>
-            <td>7</td>
+            <td>8</td>
             <td>0</td>
-            <td>heading,menu,menuitem,aria-busy,aria-controls,aria-expanded,aria-haspopup,aria-label,aria-labelledby,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-expanded,aria-hidden,aria-label,aria-labelledby,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/toolbar/examples/toolbar.html">Toolbar</a></td>
             <td>prototype</td>
             <td>Yes</td>
-            <td></td>
+            <td>Yes</td>
             <td></td>
             <td>ex1</td>
-            <td>8</td>
+            <td>7</td>
             <td>6</td>
-            <td>15</td>
+            <td>17</td>
             <td>12</td>
-            <td>heading,menuitem,aria-busy,aria-labelledby,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-labelledby,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/treegrid/examples/treegrid-1.html">Treegrid Email Inbox</a></td>
             <td>prototype</td>
             <td>Yes</td>
-            <td></td>
+            <td>Yes</td>
             <td></td>
             <td>ex1</td>
-            <td>6</td>
+            <td>4</td>
             <td>3</td>
-            <td>12</td>
+            <td>13</td>
             <td>5</td>
-            <td>heading,menu,menuitem,aria-activedescendant,aria-busy,aria-controls,aria-current,aria-haspopup,aria-labelledby,aria-roledescription</td>
+            <td>heading,aria-activedescendant,aria-busy,aria-current,aria-describedby,aria-errormessage,aria-hidden,aria-labelledby,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/treeview/examples/treeview-1a.html">File Directory Treeview  Using Computed Properties</a></td>
             <td>prototype</td>
             <td>Yes</td>
-            <td></td>
+            <td>Yes</td>
             <td></td>
             <td>ex1</td>
-            <td>6</td>
+            <td>4</td>
             <td>3</td>
-            <td>8</td>
+            <td>9</td>
             <td>3</td>
-            <td>heading,menu,menuitem,aria-busy,aria-controls,aria-haspopup,aria-label,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-hidden,aria-label,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/treeview/examples/treeview-1b.html">File Directory Treeview  Using Declared Properties</a></td>
             <td>prototype</td>
             <td>Yes</td>
-            <td></td>
+            <td>Yes</td>
             <td></td>
             <td>ex1</td>
-            <td>6</td>
+            <td>4</td>
             <td>3</td>
-            <td>11</td>
+            <td>12</td>
             <td>6</td>
-            <td>heading,menu,menuitem,aria-busy,aria-controls,aria-haspopup,aria-label,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-hidden,aria-label,aria-roledescription</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/treeview/examples/treeview-navigation.html">Navigation Treeview</a></td>
-            <td>class</td>
+            <td>class, prototype</td>
+            <td>Yes</td>
             <td>Yes</td>
-            <td></td>
             <td>Yes</td>
             <td>ex1</td>
-            <td>11</td>
-            <td>8</td>
             <td>9</td>
+            <td>8</td>
+            <td>10</td>
             <td>5</td>
-            <td>heading,menu,menuitem,aria-busy,aria-controls,aria-haspopup,aria-roledescription</td>
+            <td>heading,aria-busy,aria-describedby,aria-errormessage,aria-hidden,aria-roledescription</td>
           </tr></tbody>
       </table>
 
@@ -2074,6 +2120,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <th>SVG in CSS</th>
             <th>SVG in JS</th>
             <th><code>forced-color-adjust</code></th>
+            <th><code>forced-colors:</code></th>
             <th>CSS ::before</th>
             <th>CSS ::after</th>
             <th>CSS content</th>
@@ -2089,6 +2136,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/breadcrumb/examples/breadcrumb.html">Breadcrumb</a></td>
@@ -2096,6 +2144,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
             <td>Yes</td>
             <td></td>
             <td>Yes</td>
@@ -2106,6 +2155,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td>Yes</td>
             <td></td>
             <td></td>
+            <td></td>
             <td>Yes</td>
             <td></td>
             <td>Yes</td>
@@ -2116,6 +2166,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td>Yes</td>
             <td></td>
             <td></td>
+            <td></td>
             <td>Yes</td>
             <td></td>
             <td>Yes</td>
@@ -2129,6 +2180,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/carousel/examples/carousel-2-tablist.html">Auto-Rotating Image Carousel with Tabs for Slide Control</a></td>
@@ -2139,6 +2191,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/checkbox/examples/checkbox-mixed.html">Checkbox  (Mixed-State)</a></td>
@@ -2148,6 +2201,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td>Yes</td>
             <td></td>
             <td></td>
+            <td></td>
             <td>Yes</td>
           </tr>
           <tr>
@@ -2158,6 +2212,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td>Yes</td>
             <td></td>
             <td></td>
+            <td></td>
             <td>Yes</td>
           </tr>
           <tr>
@@ -2169,6 +2224,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/combobox/examples/combobox-autocomplete-list.html">Editable Combobox With List Autocomplete</a></td>
@@ -2179,6 +2235,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/combobox/examples/combobox-autocomplete-none.html">Editable Combobox without Autocomplete</a></td>
@@ -2189,6 +2246,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/combobox/examples/combobox-datepicker.html">Date Picker Combobox</a></td>
@@ -2198,6 +2256,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
             <td>Yes</td>
           </tr>
           <tr>
@@ -2207,6 +2266,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
             <td>Yes</td>
             <td>Yes</td>
           </tr>
@@ -2218,6 +2278,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
             <td>Yes</td>
           </tr>
           <tr>
@@ -2228,6 +2289,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td>Yes</td>
             <td></td>
             <td></td>
+            <td></td>
             <td>Yes</td>
           </tr>
           <tr>
@@ -2238,6 +2300,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td>Yes</td>
             <td></td>
             <td></td>
+            <td></td>
             <td>Yes</td>
           </tr>
           <tr>
@@ -2247,6 +2310,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
             <td>Yes</td>
             <td>Yes</td>
           </tr>
@@ -2257,15 +2321,17 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
             <td>Yes</td>
             <td>Yes</td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/feed/examples/feed-display.html">Feed Display</a></td>
             <td></td>
+            <td>Yes</td>
+            <td>Yes</td>
             <td></td>
-            <td></td>
-            <td></td>
+            <td>Yes</td>
             <td></td>
             <td></td>
             <td>Yes</td>
@@ -2277,6 +2343,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
             <td>Yes</td>
             <td>Yes</td>
           </tr>
@@ -2287,6 +2354,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
             <td>Yes</td>
             <td>Yes</td>
           </tr>
@@ -2296,6 +2364,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
             <td>Yes</td>
             <td>Yes</td>
             <td>Yes</td>
@@ -2306,6 +2375,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td>Yes</td>
             <td></td>
             <td></td>
+            <td></td>
             <td>Yes</td>
             <td></td>
             <td>Yes</td>
@@ -2316,6 +2386,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
             <td>Yes</td>
             <td>Yes</td>
             <td>Yes</td>
@@ -2326,6 +2397,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
             <td>Yes</td>
             <td>Yes</td>
             <td>Yes</td>
@@ -2336,6 +2408,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
             <td>Yes</td>
             <td>Yes</td>
             <td>Yes</td>
@@ -2346,6 +2419,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
             <td>Yes</td>
             <td>Yes</td>
             <td>Yes</td>
@@ -2359,6 +2433,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/menu-button/examples/menu-button-actions.html">Actions Menu Button  Using element.focus()</a></td>
@@ -2369,6 +2444,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/menu-button/examples/menu-button-links.html">Navigation Menu Button</a></td>
@@ -2379,6 +2455,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/menubar/examples/menubar-editor.html">Editor Menubar</a></td>
@@ -2388,6 +2465,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
             <td>Yes</td>
           </tr>
           <tr>
@@ -2399,6 +2477,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/meter/examples/meter.html">Meter</a></td>
@@ -2409,6 +2488,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/radio/examples/radio-activedescendant.html">Radio Group  Using aria-activedescendant</a></td>
@@ -2418,6 +2498,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td>Yes</td>
             <td></td>
             <td></td>
+            <td></td>
             <td>Yes</td>
           </tr>
           <tr>
@@ -2429,6 +2510,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/radio/examples/radio.html">Radio Group  Using Roving tabindex</a></td>
@@ -2438,6 +2520,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td>Yes</td>
             <td></td>
             <td></td>
+            <td></td>
             <td>Yes</td>
           </tr>
           <tr>
@@ -2449,6 +2532,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/slider/examples/slider-color-viewer.html">Color Viewer Slider</a></td>
@@ -2459,6 +2543,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/slider/examples/slider-rating.html">Rating Slider</a></td>
@@ -2466,6 +2551,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td>Yes</td>
             <td>Yes</td>
             <td>Yes</td>
+            <td>Yes</td>
             <td></td>
             <td></td>
             <td></td>
@@ -2479,6 +2565,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/slider/examples/slider-temperature.html">Vertical Temperature Slider</a></td>
@@ -2489,6 +2576,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/spinbutton/examples/datepicker-spinbuttons.html">Date Picker Spin Button</a></td>
@@ -2499,6 +2587,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/switch/examples/switch-button.html">Switch  Using HTML Button</a></td>
@@ -2509,6 +2598,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/table/examples/sortable-table.html">Sortable Table</a></td>
@@ -2517,6 +2607,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
             <td>Yes</td>
             <td>Yes</td>
           </tr>
@@ -2526,6 +2617,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td>Yes</td>
             <td></td>
             <td></td>
+            <td></td>
             <td>Yes</td>
             <td>Yes</td>
             <td>Yes</td>
@@ -2536,6 +2628,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td>Yes</td>
             <td></td>
             <td></td>
+            <td></td>
             <td>Yes</td>
             <td></td>
             <td>Yes</td>
@@ -2546,6 +2639,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
             <td>Yes</td>
             <td></td>
             <td>Yes</td>
@@ -2556,6 +2650,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
             <td>Yes</td>
             <td></td>
             <td>Yes</td>
@@ -2569,6 +2664,7 @@ <h3 id="example_graphics_techniques">Graphics Techniques</h3>
             <td></td>
             <td></td>
             <td></td>
+            <td></td>
           </tr></tbody>
       </table>
 
@@ -2664,7 +2760,7 @@ <h3 id="example_mouse_pointer">Mouse and Pointer Events</h3>
           </tr>
           <tr>
             <td><a href="../../../content/patterns/dialog-modal/examples/datepicker-dialog.html">Date Picker Dialog</a></td>
-            <td>Yes</td>
+            <td></td>
             <td>Yes</td>
           </tr>
           <tr>
@@ -2884,4 +2980,4 @@ <h3 id="example_mouse_pointer">Mouse and Pointer Events</h3>
   </main>
 
 
-</body></html>
+</body></html>
\ No newline at end of file
diff --git a/content/about/coverage-and-quality/prop-coverage.csv b/content/about/coverage-and-quality/prop-coverage.csv
index 973e524f43..ed19b10250 100644
--- a/content/about/coverage-and-quality/prop-coverage.csv
+++ b/content/about/coverage-and-quality/prop-coverage.csv
@@ -18,7 +18,7 @@
 "aria-flowto","0","0"
 "aria-grabbed","0","0"
 "aria-haspopup","0","9","Example: Date Picker Combobox","Example: Editable Combobox with Grid Popup","Example: (Deprecated) Collapsible Dropdown Listbox","Example: Actions Menu Button  Using aria-activedescendant","Example: Actions Menu Button  Using element.focus()","Example: Navigation Menu Button","Example: Editor Menubar","Example: Navigation Menubar","Example: Toolbar"
-"aria-hidden","0","13","Example: Button  (IDL Version)","Example: Editor Menubar","Example: Horizontal Multi-Thumb Slider","Example: Color Viewer Slider","Example: Rating Slider","Example: Media Seek Slider","Example: Vertical Temperature Slider","Example: Date Picker Spin Button","Example: Switch  Using HTML Button","Example: Switch  Using HTML Checkbox Input","Example: Switch","Example: Sortable Table","Example: Toolbar"
+"aria-hidden","0","16","Example: Button  (IDL Version)","Example: Listbox  with Grouped Options","Example: Listboxes with Rearrangeable Options","Example: Scrollable Listbox","Example: Editor Menubar","Example: Horizontal Multi-Thumb Slider","Example: Color Viewer Slider","Example: Rating Slider","Example: Media Seek Slider","Example: Vertical Temperature Slider","Example: Date Picker Spin Button","Example: Switch  Using HTML Button","Example: Switch  Using HTML Checkbox Input","Example: Switch","Example: Sortable Table","Example: Toolbar"
 "aria-invalid","0","0"
 "aria-keyshortcuts","0","0"
 "aria-label","1","18","Guidance: Naming with a String Attribute Via aria-label","Example: Breadcrumb","Example: Auto-Rotating Image Carousel  with Buttons for Slide Control","Example: Auto-Rotating Image Carousel with Tabs for Slide Control","Example: Editable Combobox With Both List and Inline Autocomplete","Example: Editable Combobox With List Autocomplete","Example: Editable Combobox without Autocomplete","Example: Date Picker Combobox","Example: Date Picker Dialog","Example: Link","Example: Editor Menubar","Example: Navigation Menubar","Example: Rating Radio Group","Example: Horizontal Multi-Thumb Slider","Example: Date Picker Spin Button","Example: Table","Example: Toolbar","Example: Treegrid Email Inbox","Example: Navigation Treeview"
diff --git a/content/about/coverage-and-quality/role-coverage.csv b/content/about/coverage-and-quality/role-coverage.csv
index 9a3a1ea183..104fad9ec2 100644
--- a/content/about/coverage-and-quality/role-coverage.csv
+++ b/content/about/coverage-and-quality/role-coverage.csv
@@ -46,7 +46,7 @@
 "meter","2","1","Guidance: Meter Pattern","Guidance: Range properties with meter","Example: Meter"
 "navigation","5","3","Guidance: Fundamental Keyboard Navigation Conventions","Guidance: Keyboard Navigation Between Components (The Tab Sequence)","Guidance: Keyboard Navigation Inside Components","Guidance: Ensure Basic Access Via Navigation","Guidance: Navigation","Example: Navigation Menubar","Example: Navigation Treeview","Example: Navigation Landmark"
 "none","0","7","Example: Navigation Menu Button","Example: Navigation Menubar","Example: Rating Radio Group","Example: Horizontal Multi-Thumb Slider","Example: Media Seek Slider","Example: Vertical Temperature Slider","Example: Navigation Treeview"
-"note","0","0"
+"note","37","0","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note","Guidance: Note"
 "option","0","8","Example: Editable Combobox With Both List and Inline Autocomplete","Example: Editable Combobox With List Autocomplete","Example: Editable Combobox without Autocomplete","Example: Select-Only Combobox","Example: (Deprecated) Collapsible Dropdown Listbox","Example: Listbox  with Grouped Options","Example: Listboxes with Rearrangeable Options","Example: Scrollable Listbox"
 "paragraph","0","0"
 "presentation","5","0","Guidance: Hiding Semantics with the presentation Role","Guidance: Common Uses of Role presentation","Guidance: Effects of Role presentation","Guidance: Conditions That Cause Role presentation to be Ignored","Guidance: Example Demonstrating Effects of the presentation Role"
diff --git a/scripts/coverage-report.js b/scripts/coverage-report.js
index 2244b571da..cc48e5717c 100644
--- a/scripts/coverage-report.js
+++ b/scripts/coverage-report.js
@@ -522,6 +522,7 @@ glob
       beforeCSS: getNumberOfReferences(dataCSS, '::before'),
       afterCSS: getNumberOfReferences(dataCSS, '::after'),
       forcedColorAdjust: getNumberOfReferences(dataCSS, 'forced-color-adjust'),
+      forcedColorsMediaQuery: getNumberOfReferences(dataCSS, 'forced-colors'),
 
       svgJS: getNumberOfReferences(dataJS, 'svg', true),
       classJS: getNumberOfReferences(dataJS, 'constructor\\('),
@@ -1013,6 +1014,7 @@ let IndexOfExampleGraphics = indexOfExamples.reduce(function (set, example) {
   count += example.svgCSS;
   count += example.svgJS;
   count += example.forcedColorAdjust;
+  count += example.forcedColorsMediaQuery;
   count += example.beforeCSS;
   count += example.afterCSS;
   count += example.contentCSS;
@@ -1027,6 +1029,7 @@ let IndexOfExampleGraphics = indexOfExamples.reduce(function (set, example) {
             <td>${htmlYesOrNo(example.svgCSS)}</td>
             <td>${htmlYesOrNo(example.svgJS)}</td>
             <td>${htmlYesOrNo(example.forcedColorAdjust)}</td>
+            <td>${htmlYesOrNo(example.forcedColorsMediaQuery)}</td>
             <td>${htmlYesOrNo(example.beforeCSS)}</td>
             <td>${htmlYesOrNo(example.afterCSS)}</td>
             <td>${htmlYesOrNo(example.contentCSS)}</td>
diff --git a/scripts/coverage-report.template b/scripts/coverage-report.template
index fcf2892fdb..09cb37af67 100644
--- a/scripts/coverage-report.template
+++ b/scripts/coverage-report.template
@@ -226,6 +226,7 @@
             <th>SVG in CSS</th>
             <th>SVG in JS</th>
             <th><code>forced-color-adjust</code></th>
+            <th><code>forced-colors:</code></th>
             <th>CSS ::before</th>
             <th>CSS ::after</th>
             <th>CSS content</th>