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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - AX: aria-live property is ignored when value is computed from form input"
   href="https://bugs.webkit.org/show_bug.cgi?id=165303">165303</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>AX: aria-live property is ignored when value is computed from form input
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>Safari 10
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Accessibility
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned&#64;lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>code&#64;sylvaingamel.fr
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>webkit-bug-importer&#64;group.apple.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>**Context:**

This issue was detected when implementing a double entry slider.

Some sub-total pricing values are computed depending on 2 values entered by user in two inputs.
User is supposed to be alerted that computed subtotals are getting updated with new values.

Implemented markup:

- 2 input for user.
- 2 `var` element reflecting the values computed from the changed values.
- 2 `p` element containing some description text and those 2 vars.

`p` elements are defined as `aria-atomic=true` and `aria-live=polite`.


**Expected behavior:**

When input is updated, the two `p` are read again to give user the newly computed values.

**Observed result:**

When an input value is updated only the new value is read. 
The two computed values are never read.


**Example:**

A full simplified example is available as a jsFiddle here: <a href="https://jsfiddle.net/sgamel/upgp8qoo/">https://jsfiddle.net/sgamel/upgp8qoo/</a></pre>
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