code: function(oEvent) {
  				// in our use-case each tab contains a single subSection => only this subSection needs to be processed
  				var oSubSection = oEvent.getParameter("subSection"),
  					sId = oSubSection.getId(),
  					aBlocks;
  
  				//attach listeners that prettify the tab content upon its rendering
  				if (this._aVisitedTabs.indexOf(sId) < 0) { // avoid adding listeners to the same tab twice
  					aBlocks = oSubSection.getBlocks();
  					aBlocks.forEach(function(oBlock) {
  						oBlock.addEventDelegate({"onAfterRendering": this._prettify.bind(this)});
  					}.bind(this));
  
  					this._aVisitedTabs.push(sId);
  				}
  			}
docs: Attach listeners that prettify the tab content upon its rendering
  @param {oEvent} tab navigate event
  @private