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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Move determination of operator direction DOM class and reduce relayout"
href="https://bugs.webkit.org/show_bug.cgi?id=160339">160339</a>
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<th>Summary</th>
<td>Move determination of operator direction DOM class and reduce relayout
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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>MathML
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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<th>Reporter</th>
<td>fred.wang@free.fr
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<th>Depends on</th>
<td>160336
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<th>Blocks</th>
<td>156537
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<pre>After <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - More cleanup of MathML operator parsing"
href="show_bug.cgi?id=160336">bug 160336</a>, m_isVertical is the only remaining property set in RenderMathMLOperator::setOperatorProperties. We calculate it in MathMLOperatorElement and so RenderMathMLOperator::setOperatorProperties can be removed. It seems that we can then remove many needs-relayout calls without breaking tests.
I'm not sure for mfenced and I think we don't really have good test coverage for this element. So for now to be safe let's kept the calls RenderMathMLFencedOperator::setOperatorProperties in various functions by overriding the RenderMathMLOperator implementations.</pre>
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