Function cleanUpLine

external/.scrollLibs.js:2816–2819

(line)

  // Detach a line from the document tree and its markers.
  function cleanUpLine(line) {
    line.parent = null
    detachMarkedSpans(line)
  }

  // Convert a style as returned by a mode (either null, or a string
  // containing one or more styles) to a CSS style. This is cached,