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edits
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→Preconditions
<table border=1 width="700">
<tr>
<td width="160">Apple MacintoshMacOS</td><td width="540">Adium (https://adium.im) oder Swift (https://swift.im)</td>
</tr>
<tr>
<td>Microsoft Windows</td>
<td>PSI (http://psi-im.org) oder Swift (https://swift.im)</td>
</tr>
<tr>
