message: Use the latest version of CodeMirror. It has an important line height fix to prevent flickering.
diff: "serve-test": "node src/test/httpserver.js"
  },
  "dependencies": {
  - "codemirror": "5.21.0",
  + "codemirror": "5.27.4",
  "commander": "2.9.0",
  "element-resize-detector": "1.1.3",
  "font-manager": "0.2.2",
  