You already check for the existance of the state attribute:
if(this.stateTitle) {
var state =
this.wiki.getTextReference(this.stateTitle,this["default"],this.getVariable("currentTiddler"));
if this is changed to (broken for readability):
var state = this.stateTitle
? this.wiki.getTextReference(this.stateTitle,this["default"],this.
getVariable("currentTiddler"))
: this["default"];
We would have it, wouldn't we?
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