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@@ -6170,7 +6170,7 @@ if (typeof mxVertexHandler != 'undefined')
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var a = document.createElement('a');
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a.setAttribute('href', this.getAbsoluteUrl(link));
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- if (!this.isCustomLink(link))
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+ if (link != null && !this.isCustomLink(link))
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{
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a.setAttribute('title', link);
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}
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