{
  "name": "nicebooks/isbn",
  "description": "ISBN tools",
  "type": "library",
  "keywords": [
    "ISBN",
    "ISBN-10",
    "ISBN-13",
    "Book",
    "Books",
    "NiceBooks"
  ],
  "license": "MIT",
  "require": {
    "php": ">=7.1"
  },
  "require-dev": {
    "phpunit/phpunit": "7.*",
    "php-coveralls/php-coveralls": "2.*"
  },
  "autoload": {
    "psr-4": {
      "Nicebooks\\Isbn\\": "src/"
    }
  },
  "autoload-dev": {
    "psr-4": {
      "Nicebooks\\Isbn\\Tests\\": "tests/"
    }
  }
}

{
  "name": "nicebooks/isbn",
  "description": "ISBN tools",
  "type": "library",
  "keywords": [
    "ISBN",
    "ISBN-10",
    "ISBN-13",
    "Book",
    "Books",
    "NiceBooks"
  ],
  "license": "MIT",
  "require": {
    "php": ">=7.1"
  },
  "require-dev": {
    "ext-dom": "*",
    "phpunit/phpunit": "7.*",
    "php-coveralls/php-coveralls": "2.*"
  },
  "autoload": {
    "psr-4": {
      "Nicebooks\\Isbn\\": "src/"
    }
  },
  "autoload-dev": {
    "psr-4": {
      "Nicebooks\\Isbn\\Tests\\": "tests/"
    }
  }
}

Add ext-dom dev dependency for convertRangeMessage.php
Add ext-dom dev dependency for convertRangeMessage.php
