This is maybe related to SystemOrganizer&gt;&gt;addCategory:before: which seems to never notify that a category has been added (whereas�<meta charset="utf-8">SystemOrganizer&gt;&gt;addCategory: does it).<div>I opened an issue : �</div>
<div><br></div><div><meta charset="utf-8"><a href="http://code.google.com/p/pharo/issues/detail?id=3974">http://code.google.com/p/pharo/issues/detail?id=3974</a></div>