Function linesFor

external/.scrollLibs.js:6499–6505

(start, end)

      signalLater(line, "change", line, change)
    }
    function linesFor(start, end) {
      var result = []
      for (var i = start; i < end; ++i) {
        result.push(new Line(text[i], spansFor(i), estimateHeight$$1))
      }
      return result
    }

    var from = change.from,
      to = change.to,