{
  "name": "nwmatcher",
  "version": "1.4.2",
  "description": "A CSS3-compliant JavaScript selector engine.",
  "homepage": "http://javascript.nwbox.com/NWMatcher/",
  "main": "./src/nwmatcher",
  "keywords": [
    "css",
    "matcher",
    "selector",
    "ender"
  ],
  "licenses": [
    {
      "type": "MIT",
      "url": "http://javascript.nwbox.com/NWMatcher/MIT-LICENSE"
    }
  ],
  "author": {
    "name": "Diego Perini",
    "email": "diego.perini@gmail.com",
    "web": "http://www.iport.it/"
  },
  "maintainers": [
    {
      "name": "Diego Perini",
      "email": "diego.perini@gmail.com",
      "web": "http://www.iport.it/"
    }
  ],
  "bugs": {
    "url": "http://github.com/dperini/nwmatcher/issues"
  },
  "repository": {
    "type": "git",
    "url": "git://github.com/dperini/nwmatcher.git"
  },
  "ender": "./lib/ender/bridge.js"
}

{
  "name": "nwmatcher",
  "version": "1.4.2",
  "description": "A CSS3-compliant JavaScript selector engine.",
  "homepage": "http://javascript.nwbox.com/NWMatcher/",
  "main": "./src/nwmatcher",
  "keywords": [
    "css",
    "matcher",
    "selector",
    "ender"
  ],
  "license": "MIT",
  "author": {
    "name": "Diego Perini",
    "email": "diego.perini@gmail.com",
    "web": "http://www.iport.it/"
  },
  "maintainers": [
    {
      "name": "Diego Perini",
      "email": "diego.perini@gmail.com",
      "web": "http://www.iport.it/"
    }
  ],
  "bugs": {
    "url": "http://github.com/dperini/nwmatcher/issues"
  },
  "repository": {
    "type": "git",
    "url": "git://github.com/dperini/nwmatcher.git"
  },
  "ender": "./lib/ender/bridge.js"
}

Update license to SPDX format
Update license to SPDX format

Update license to correct SPDX format for 'MIT'

Docs.
Yarn: https://yarnpkg.com/lang/en/docs/package-json/#toc-license
NPM: https://docs.npmjs.com/files/package.json#license
SPDX: https://spdx.org/licenses/MIT.html