Function updateLineClasses

external/.scrollLibs.js:3383–3392

(cm, lineView)

  }

  function updateLineClasses(cm, lineView) {
    updateLineBackground(cm, lineView)
    if (lineView.line.wrapClass) {
      ensureLineWrapped(lineView).className = lineView.line.wrapClass
    } else if (lineView.node != lineView.text) {
      lineView.node.className = ""
    }
    var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass
    lineView.text.className = textClass || ""
  }

  function updateLineGutter(cm, lineView, lineN, dims) {
    if (lineView.gutter) {