message: add defensive
diff: key: undefined,
  objectType: undefined,
  passageName: "Start",
  - linkDescription: $town.name
  + linkDescription: $town.name || 'Home'
  }, 'Start')>>
  <<set $currentPassage to $town>><<if !_isTextOutput>><div id="illustration-banner" class='hide-on-print'><img src="./static/banner.svg"></div><<include "PrintImage">><</if>>
  <<include "BriefDescription">>
  