Hyphen in CDATA creates more nodes instead of a single text node.

cdata-hyphen.console.js

(function(){var parser=new DOMParser();var expectedContent='hello-world';var result=parser.parseFromString('<div><![CDATA['+expectedContent+']]></div>','text/xml').firstChild.firstChild.data;if(result!=expectedContent)console.log('FAIL');else console.log('SUCCESS');console.log('result:',result);})()

cdata-hyphen.js

(function(){
  var parser = new DOMParser();
  var expectedContent = 'hello-world';
  var result = parser.parseFromString('<div><![CDATA[' + expectedContent + ']]></div>','text/xml').firstChild.firstChild.data;
  if (result != expectedContent) {
    console.log('FAIL');
  } else {
    console.log('SUCCESS');
  }
  console.log('result:',result);
})()