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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - AX: Need to update implicit/default values for aria-valuemin, aria-valuenow, and aria-valuemax"
href="https://bugs.webkit.org/show_bug.cgi?id=164773">164773</a>
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<th>Summary</th>
<td>AX: Need to update implicit/default values for aria-valuemin, aria-valuenow, and aria-valuemax
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<th>Classification</th>
<td>Unclassified
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<th>Product</th>
<td>WebKit
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<th>Version</th>
<td>WebKit Nightly Build
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<th>Hardware</th>
<td>All
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<th>OS</th>
<td>All
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>Normal
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<th>Priority</th>
<td>P2
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<th>Component</th>
<td>Accessibility
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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<th>Reporter</th>
<td>jdiggs@igalia.com
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<th>CC</th>
<td>webkit-bug-importer@group.apple.com
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<p>
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<pre>In ARIA 1.1, the implicit/default values for aria-valuemin, aria-valuenow, and aria-valuemax are as follows:
For roles other than spinbutton:
* Default for aria-valuemin is 0.
* Default for aria-valuemax is 100.
* Default for aria-valuenow is half way between aria-valuemax and aria-valuemin.
For spinbutton:
* Default for aria-valuemin is that there is no minimum value.
* Default for aria-valuemax is that there is no maximum value.
* Default for aria-valuenow is 0.
We currently are returning 0 for all non-specified values.
We need to decide how to expose "no minimum/maximum value." At least in the case of ATK/AT-SPI2, we need to return something, and the something is expected to be a number. My proposal is that we expose the values we use to constrain input type="number": -std::numeric_limits<float>::max() to std::numeric_limits<float>::max().</pre>
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