Fixes to scope

as discssued in
https://github.com/twbs/bootstrap/issues/15117#issuecomment-63029993

- added ``scope="row"`` to row headers
- made sure row headers are actual ``<th>`` elements
- removed ``scope="col"`` where it was redundant
- simplified table examples with (to me) unnecessary
``rowspan``/``colspan`` (unless you really want complex tables, in which
case we would need full-on ``id`` and ``headers`` attributes to make
sure each table cell has an explicit association with the related header
cells - overkill, in my opinion)
- one table (in typography) left header-less, as it's more or less presentational (though its structure is still important, hence not adding ``role="presentation"``)

1 files changed, 44 insertions, 47 deletions

diff --git a/docs/_includes/css/tables.html b/docs/_includes/css/tables.html
index aba4a3af8..cf70b651a 100644
--- a/docs/_includes/css/tables.html
+++ b/docs/_includes/css/tables.html
@@ -16,19 +16,19 @@
       </thead>
       <tbody>
         <tr>
-          <td>1</td>
+          <th scope="row">1</th>
           <td>Mark</td>
           <td>Otto</td>
           <td>@mdo</td>
         </tr>
         <tr>
-          <td>2</td>
+          <th scope="row">2</th>
           <td>Jacob</td>
           <td>Thornton</td>
           <td>@fat</td>
         </tr>
         <tr>
-          <td>3</td>
+          <th scope="row">3</th>
           <td>Larry</td>
           <td>the Bird</td>
           <td>@twitter</td>
@@ -61,19 +61,19 @@
       </thead>
       <tbody>
         <tr>
-          <td>1</td>
+          <th scope="row">1</th>
           <td>Mark</td>
           <td>Otto</td>
           <td>@mdo</td>
         </tr>
         <tr>
-          <td>2</td>
+          <th scope="row">2</th>
           <td>Jacob</td>
           <td>Thornton</td>
           <td>@fat</td>
         </tr>
         <tr>
-          <td>3</td>
+          <th scope="row">3</th>
           <td>Larry</td>
           <td>the Bird</td>
           <td>@twitter</td>
@@ -102,25 +102,21 @@
       </thead>
       <tbody>
         <tr>
-          <td rowspan="2">1</td>
+          <th scope="row">1</th>
           <td>Mark</td>
           <td>Otto</td>
           <td>@mdo</td>
         </tr>
         <tr>
-          <td>Mark</td>
-          <td>Otto</td>
-          <td>@TwBootstrap</td>
-        </tr>
-        <tr>
-          <td>2</td>
+          <th scope="row">2</th>
           <td>Jacob</td>
           <td>Thornton</td>
           <td>@fat</td>
         </tr>
         <tr>
-          <td>3</td>
-          <td colspan="2">Larry the Bird</td>
+          <th scope="row">3</th>
+          <td>Larry</td>
+          <td>the Bird</td>
           <td>@twitter</td>
         </tr>
       </tbody>
@@ -147,20 +143,21 @@
       </thead>
       <tbody>
         <tr>
-          <td>1</td>
+          <th scope="row">1</th>
           <td>Mark</td>
           <td>Otto</td>
           <td>@mdo</td>
         </tr>
         <tr>
-          <td>2</td>
+          <th scope="row">2</th>
           <td>Jacob</td>
           <td>Thornton</td>
           <td>@fat</td>
         </tr>
         <tr>
-          <td>3</td>
-          <td colspan="2">Larry the Bird</td>
+          <th scope="row">3</th>
+          <td>Larry</td>
+          <td>the Bird</td>
           <td>@twitter</td>
         </tr>
       </tbody>
@@ -187,19 +184,19 @@
       </thead>
       <tbody>
         <tr>
-          <td>1</td>
+          <th scope="row">1</th>
           <td>Mark</td>
           <td>Otto</td>
           <td>@mdo</td>
         </tr>
         <tr>
-          <td>2</td>
+          <th scope="row">2</th>
           <td>Jacob</td>
           <td>Thornton</td>
           <td>@fat</td>
         </tr>
         <tr>
-          <td>3</td>
+          <th scope="row">3</th>
           <td colspan="2">Larry the Bird</td>
           <td>@twitter</td>
         </tr>
@@ -229,33 +226,33 @@
       </thead>
       <tbody>
         <tr>
-          <td>
+          <th scope="row">
             <code>.active</code>
-          </td>
+          </th>
           <td>Applies the hover color to a particular row or cell</td>
         </tr>
         <tr>
-          <td>
+          <th scope="row">
             <code>.success</code>
-          </td>
+          </th>
           <td>Indicates a successful or positive action</td>
         </tr>
         <tr>
-          <td>
+          <th scope="row">
             <code>.info</code>
-          </td>
+          </th>
           <td>Indicates a neutral informative change or action</td>
         </tr>
         <tr>
-          <td>
+          <th scope="row">
             <code>.warning</code>
-          </td>
+          </th>
           <td>Indicates a warning that might need attention</td>
         </tr>
         <tr>
-          <td>
+          <th scope="row">
             <code>.danger</code>
-          </td>
+          </th>
           <td>Indicates a dangerous or potentially negative action</td>
         </tr>
       </tbody>
@@ -273,55 +270,55 @@
       </thead>
       <tbody>
         <tr class="active">
-          <td>1</td>
+          <th scope="row">1</th>
           <td>Column content</td>
           <td>Column content</td>
           <td>Column content</td>
         </tr>
         <tr>
-          <td>2</td>
+          <th scope="row">2</th>
           <td>Column content</td>
           <td>Column content</td>
           <td>Column content</td>
         </tr>
         <tr class="success">
-          <td>3</td>
+          <th scope="row">3</th>
           <td>Column content</td>
           <td>Column content</td>
           <td>Column content</td>
         </tr>
         <tr>
-          <td>4</td>
+          <th scope="row">4</th>
           <td>Column content</td>
           <td>Column content</td>
           <td>Column content</td>
         </tr>
         <tr class="info">
-          <td>5</td>
+          <th scope="row">5</th>
           <td>Column content</td>
           <td>Column content</td>
           <td>Column content</td>
         </tr>
         <tr>
-          <td>6</td>
+          <th scope="row">6</th>
           <td>Column content</td>
           <td>Column content</td>
           <td>Column content</td>
         </tr>
         <tr class="warning">
-          <td>7</td>
+          <th scope="row">7</th>
           <td>Column content</td>
           <td>Column content</td>
           <td>Column content</td>
         </tr>
         <tr>
-          <td>8</td>
+          <th scope="row">8</th>
           <td>Column content</td>
           <td>Column content</td>
           <td>Column content</td>
         </tr>
         <tr class="danger">
-          <td>9</td>
+          <th scope="row">9</th>
           <td>Column content</td>
           <td>Column content</td>
           <td>Column content</td>
@@ -381,7 +378,7 @@
         </thead>
         <tbody>
           <tr>
-            <td>1</td>
+            <th scope="row">1</th>
             <td>Table cell</td>
             <td>Table cell</td>
             <td>Table cell</td>
@@ -390,7 +387,7 @@
             <td>Table cell</td>
           </tr>
           <tr>
-            <td>2</td>
+            <th scope="row">2</th>
             <td>Table cell</td>
             <td>Table cell</td>
             <td>Table cell</td>
@@ -399,7 +396,7 @@
             <td>Table cell</td>
           </tr>
           <tr>
-            <td>3</td>
+            <th scope="row">3</th>
             <td>Table cell</td>
             <td>Table cell</td>
             <td>Table cell</td>
@@ -426,7 +423,7 @@
         </thead>
         <tbody>
           <tr>
-            <td>1</td>
+            <th scope="row">1</th>
             <td>Table cell</td>
             <td>Table cell</td>
             <td>Table cell</td>
@@ -435,7 +432,7 @@
             <td>Table cell</td>
           </tr>
           <tr>
-            <td>2</td>
+            <th scope="row">2</th>
             <td>Table cell</td>
             <td>Table cell</td>
             <td>Table cell</td>
@@ -444,7 +441,7 @@
             <td>Table cell</td>
           </tr>
           <tr>
-            <td>3</td>
+            <th scope="row">3</th>
             <td>Table cell</td>
             <td>Table cell</td>
             <td>Table cell</td>