XML Mismatched Tag Fix Guide

Use this process to isolate malformed nodes quickly and restore parser compatibility.

1. Validate document with line and column output enabled.

2. Match every opening tag with the exact closing tag name.

3. Verify nesting order for repeated sibling elements.

4. Escape raw ampersands and invalid characters in text nodes.

5. Re-check namespace prefixes used in open and close tags.

6. Add XML linting to pre-commit and deployment checks.