- Definition and Purpose
- XML comments are small text or expressions in XML source code
- Comments help developers understand existing code for future analysis
- Comments are ignored by compiler but provide formal documentation
- Types and Structure
- Comments can be placed at top of XML document
- Comments can be used in Schema (XSD) elements
- Comments can be used between elements in XML documents
- Comments in programming languages start with ///
- Rules and Restrictions
- Comments cannot precede XML declaration
- Comments cannot be placed between attribute elements
- Comments cannot be nested
- Entity references are not recognized within comment lines
- Benefits
- Comments help clarify code structure
- Comments enable future code updates
- Comments provide context for remote developers
- Comments support all HTML tags for additional usage