Join Joe Marini for an in-depth discussion in this video Valid documents, part of XML Essential Training.
- [Instructor] In the previous video I talked…a little bit about proper XML syntax…which is needed to make sure that the XML parser…is able to properly parse your XML file.…But above and beyond that there's also a concept…of what's called valid XML documents.…So let's quickly review.…Suppose you have an XML parser represented by these gears.…You give it an XML file and then as long as the syntax…is proper and you've correctly named your elements…and you've followed the XML syntax rules…then good results come out the other side.…And that's what we mean by saying that an XML file…is well formed.…
But there's another way to make sure that XML documents…are what's called valid.…You can apply a set of rules which are applied…to the parsing process in addition…to the well-formness checks.…For example you can supply rules that say things like…tag A is only ever allowed to incur inside of tag B…and attribute X only has these values and so on.…If the XML parser parses the document correctly…and the document content passes the rules…
- What is XML?
- Advantages and drawbacks of XML
- Proper XML syntax
- Working with XML namespaces
- Styling XML tags
- Discovering and creating document content
- Manipulating XML content using XPath and XSLT
- Document type definitions and XML schema
Skill Level Beginner
1. Getting Started
2. XML Overview
3. Working with XML
4. Manipulating XML with the DOM
5. XML and XPath
6. XML and XSLT
7. XSLT Examples
8. Document Type Definitions
9. XML Schema
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