mxGraphView.prototype.validate=function(a){var b=mxLog.enter("mxGraphView.validate");window.status=mxResources.get(this.updatingDocumentResource)||this.updatingDocumentResource;this.resetValidationState();var c=null;null==this.canvas||null!=this.textDiv||8!=document.documentMode||mxClient.IS_EM||(this.placeholder=document.createElement("div"),this.placeholder.style.position="absolute",this.placeholder.style.width=this.canvas.clientWidth+"px",this.placeholder.style.height=this.canvas.clientHeight+