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@@ -118,7 +118,7 @@ FeedbackDialog.feedbackUrl = 'https://log.draw.io/email';
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{
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var a = graphCreateLinkForHint.call(this, href, label);
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- if (!this.isCustomLink(href))
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+ if (href != null && !this.isCustomLink(href))
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{
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// KNOWN: Event with gesture handler mouseUp the middle click opens a framed window
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mxEvent.addListener(a, 'click', mxUtils.bind(this, function(evt)
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