Revise User Need 11 and Requirement 11 to enable users to read content

without distracting revision annotations, per Janina's suggestion.

index.html

@@ -146,10 +146,11 @@ <h2>Version control features</h2>
       <section id="version-control-changes">
         <h3>Suggested changes</h3>
         <ul>
-          <li><strong>User Need 11:</strong> Assistive technology users need to be able to read the text with information included about <em>suggested changes</em> (i.e., insertions, deletions or formatting modifications proposed by collaborators).</li>
-          <li><strong>REQ 11:</strong> Provide a mode of operation in which
+          <li><strong>User Need 11:</strong> Assistive technology users need to be able to read the text with information included about <em>suggested changes</em> (i.e., insertions, deletions or formatting modifications proposed by collaborators). Assistive technology users and those with learning or cognitive disabilities also need to be able to read content being edited without the distraction of insertion and deletion annotations.</li>
+          <li><strong>REQ 11A:</strong> Provide a mode of operation in which
           details of insertions, deletions and formatting changes are appropriately presented
           as collaborators read the content. These details should include time stamps and identification of who made the change together with any annotations the editor may have provided by way of explanation.</li>
+	  <li><strong>REQ 11B:</strong> Provide a mode of operation in which users can read the unmodified content, or if they prefer, the revised content with suggested changes applied, without any annotations indicating revisions.</li>
           <li><strong>User Need 12:</strong>All users, and particularly u sers with color blindness need to be able to distinguish insertions, deletions, and unaltered text effectively.</li>
           <li><strong>REQ 12:</strong> Provide distinctions over and beyond just color to identify inserted and deleted text as required by WCAG 2.2 <a href="https://www.w3.org/WAI/WCAG22/Understanding/use-of-color">Success Criterion 1.4.1: Use of Color</a>.</li>
         </ul>