     }
     let token = advance()
     if token.type != .String {
-      return .Invalid("expected scalar block, \(context(buildContext()))")
+      return .Invalid("expected scalar block, \(buildContext())")
     }
     var block = normalizeBreaks(token.match)
     var foundIndent = 0

        break
      }
    }
    return text
  }

  func ignoreSpace () {

        advance()
        return value
      } else {
        return .Invalid("\(message), \(buildContext())")
      }
    }
  }
