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<!DOCTYPE doctype PUBLIC "-//w3c//dtd html 4.0 transitional//en">
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<meta name="Author" content="IBM"><title>Platform Text Migration Guide</title>
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<p>
This document lists the API changes that occurred between R3.0 and R3.1 and
how to migrate from the R3.0 API to the R3.1 API.
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<td align="left" width="72%"> <font size="+3"><b>Platform Text -
</b></font><font size="+3"><b>Binary Compatibility Breakage from R3.0 to R3.1</b></font><font size="+3"><b></b></font><font color="#8080ff" size="-2"><br>
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<li><span style="font-weight: bold; font-style: italic;">org.eclipse.jface.text.DefaultPositionUpdater.update(DocumentEvent event)</span>: to prevent holding on to the cached document after calling this method we set <code>fDocument</code> to <code>null</code> at the end of this method. Subclasses that extend <code>update(DocumentEvent event)</code> i.e. call <code>super.update(event)</code> will be broken if they access <code>fDocument</code> after that call. To fix this either replace <code>fDocument</code> with <code>event.getDocument()</code> or set <code>fDocument</code> again. If you do the latter do not forget to set it back to <code>null</code> at the end of your method.<br>
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<td align="left" width="72%"> <font size="+3"><b>Platform Text - </b></font><font size="+3"><b>Breaking API changes from R3.0 to R3.1</b></font><font color="#8080ff" size="-2">
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<p> </p>
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