Tag Archives: No grammar constraints (DTD or XML Schema) referenced in the document

No grammar constraints (DTD or XML Schema) referenced in the document

Geeks, please accept the hero post of 2021 Microsoft x Intel hacking contest>>>

Problem Description:

A warning appears in the header of the new XML file. no grammar constraints (DTD or XML schema) referenced in the document

Solution:

On the second line, state & lt;! DOCTYPE xml> is OK

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE xml>