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handle js error, if preview pane is down
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@ -575,7 +575,7 @@ app.classes.mail = AppJS.extend(
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children[i].destroy();
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widget.removeChild(children[i]);
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}
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if (content.length == 1 && typeof content[0] != 'undefined')
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if (content.length == 1 && typeof content[0] != 'undefined' && content[0])
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{
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content = content[0].split(',');
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}
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