11 Answers. Order of elements is significant in XML, so in your example the two documents are different. Attribute order is not significant, though. They are not identical - Whether the sequence matters is up to the program or user that processes it.
Thereof, does order matter in xml?
Any type of xml validation, order does matter (unless using a special notation in the schema)
Beside above, what is pattern in xml? The Usage Guideline Editor allows the formalization of a field/element format as an XML Pattern. These XML patterns are Regular Expression such as defined by the W3C in the XML Schema standard. The full and official definition of this Regular Expression language, by W3C, can be found here.
Similarly one may ask, what are the rules for xml?
There are nine basic rules for building good XML:
- All XML must have a root element.
- All tags must be closed.
- All tags must be properly nested.
- Tag names have strict limits.
- Tag names are case sensitive.
- Tag names cannot contain spaces.
- Attribute values must appear within quotes ("").
- White space is preserved.
Is XML a language?
Extensible Markup Language (XML) is a markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable.
XML.
| Extensible Markup Language | |
|---|---|
| Base standards | SGML |
| Related standards | XML Schema |
| Domain | Data serialization |
| Abbreviation | XML |
