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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - REGRESSION: Nested contenteditable scrolls outer window on horizontal select"
href="https://bugs.webkit.org/show_bug.cgi?id=153872">153872</a>
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<th>Summary</th>
<td>REGRESSION: Nested contenteditable scrolls outer window on horizontal select
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr>
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<th>Product</th>
<td>WebKit
</td>
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<th>Version</th>
<td>Safari 9
</td>
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<th>Hardware</th>
<td>Macintosh
</td>
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<th>OS</th>
<td>OS X 10.11
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>Normal
</td>
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<th>Priority</th>
<td>P2
</td>
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<th>Component</th>
<td>New Bugs
</td>
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
</td>
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<th>Reporter</th>
<td>m.lewandowski@cksource.com
</td>
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<pre>1. Open a demo: <a href="https://jsfiddle.net/fpua774e/">https://jsfiddle.net/fpua774e/</a>
1. Try to select any part in "Try to select some text" text. It's preferable to make a selection horizontally, e.g. from left to right (vertical scroll should not be triggered at all in this case).
**Expected:**
Text is selected.
**Actual:**
Browser goes crazy with vertical scrolling.
I'll just add that CKEditor customers reported this bug to us, and it's a critical bug that makes using CKEditor impossible in Safari (see <a href="http://dev.ckeditor.com/ticket/14314">http://dev.ckeditor.com/ticket/14314</a>).</pre>
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