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<base href="https://bugs.webkit.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Scaling page gives inconsistent rendering result."
href="https://bugs.webkit.org/show_bug.cgi?id=170229">170229</a>
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<th>Summary</th>
<td>Scaling page gives inconsistent rendering result.
</td>
</tr>
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<th>Product</th>
<td>WebKit
</td>
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<th>Version</th>
<td>WebKit Nightly Build
</td>
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<th>Hardware</th>
<td>Macintosh
</td>
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<th>OS</th>
<td>macOS 10.12
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>Normal
</td>
</tr>
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<th>Priority</th>
<td>P2
</td>
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<th>Component</th>
<td>MathML
</td>
</tr>
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
</td>
</tr>
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<th>Reporter</th>
<td>lambda@liu.ms
</td>
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=305707" name="attach_305707" title="An example involving stretchy operator.">attachment 305707</a> <a href="attachment.cgi?id=305707&action=edit" title="An example involving stretchy operator.">[details]</a></span>
An example involving stretchy operator.
In the given attachment, if one scales the webpage (via Command + or trackpad), then scales it back (via Command 0, or just press refresh), the layout of the equation changes. Scaling a page and scaling back should not change rendering results in any event. I am not familiar with WebKit’s structure; hopefully this bug does not imply some deep semantics issue around scaling in general and is specific to MathML only.
The issue exists in Safari 10, TP, and nightly builds. Changing font from default old STIX one shipped with Mac to STIX two does not help.</pre>
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