Editorial: make th implied wording consistent with the style of td (#313)

* Editorial: make th implied role wording consistent with the style of td implied role (and others)

* make tr role=row implied role have same style as others

* match updated wording in spec

Co-authored-by: Scott O'Hara <scottaohara@users.noreply.github.com>

Author: carmacleod

index.html

@@ -2639,14 +2639,14 @@ <h2 id="docconformance">
             </th>
             <td>
               <p>
-                If the ancestor `table` element is exposed as a `role=table`: <code>role=<a href="#index-aria-columnheader">columnheader</a></code>,
-                <a href="#index-aria-rowheader">`rowheader`</a> or <a href="#index-aria-rowheader">`cell`</a> according to
-                <a data-cite="html-aam-1.0#html-element-role-mappings">HTML AAM</a>.
+                <code>role=<a href="#index-aria-columnheader">columnheader</a></code>,
+                <a href="#index-aria-rowheader">`rowheader`</a> or <a href="#index-aria-rowheader">`cell`</a> if the ancestor
+                `table` element is exposed as a `role=table`.
               </p>
               <p>
-                If the ancestor `table` element is exposed as a `role=grid` or `treegrid`: <code>role=<a href="#index-aria-columnheader">columnheader</a></code>,
-                <a href="#index-aria-rowheader">`rowheader`</a> or <a href="#index-aria-rowheader">`gridcell`</a> according to
-                <a data-cite="html-aam-1.0#html-element-role-mappings">HTML AAM</a>.
+                <code>role=<a href="#index-aria-columnheader">columnheader</a></code>,
+                <a href="#index-aria-rowheader">`rowheader`</a> or <a href="#index-aria-rowheader">`gridcell`</a> if the ancestor
+                `table` element is exposed as a `role=grid` or `treegrid`.
              </p>
             </td>
             <td>
@@ -2666,7 +2666,7 @@ <h2 id="docconformance">
               [^tr^]
             </th>
             <td>
-              <a href="#index-aria-row">`role=row`</a>
+              <code>role=<a href="#index-aria-row">row</a></code>
             </td>
             <td>
               <p>

results/implementation-results.html

@@ -3122,15 +3122,15 @@ <h2>Conformance Checker Rule Implementations</h2>
         </th>
         <td>
           <p>
-            If the ancestor <code>table</code> element is exposed as a <code>role=table</code>: <code>role=columnheader</code>,
-            <code>rowheader</code> or <code>cell</code> according to
-            HTML AAM.
-          </p>
-          <p>
-            If the ancestor <code>table</code> element is exposed as a <code>role=grid</code> or <code>treegrid</code>: <code>role=columnheader</code>,
-            <code>rowheader</code> or <code>gridcell</code> according to
-            HTML AAM.
-          </p>
+                <code>role=columnheader</code>,
+            <code>rowheader</code> or <code>cell</code> if the ancestor
+            <code>table</code> element is exposed as a <code>role=table</code>.
+              </p>
+              <p>
+                <code>role=columnheader</code>,
+                <code>rowheader</code> or <code>gridcell</code> if the ancestor
+                <code>table</code> element is exposed as a <code>role=grid</code> or <code>treegrid</code>.
+             </p>
         </td>
         <td>
           <p>