XSD Required One of Two Attributes?
63919
XSD - one of 2 attributes is required?
118391
Any tools to generate an XSD schema from an XML instance document?
131545
Using XSL to sort attributes
126685
Single and double quotes together as HTML attribute value?
133391
The value for the useBean class attribute ... is invalid
156104
XML Schema to validate XML Schemas?
103507
How to validate an XML file using Java with an XSD having an include?
137904
With SAX Parser, get an attribute's value
129988
Is type="text/css" necessary in a  tag?
914
How to set MINIMUM number of required fields?
29592
Mark or don't mark required fields if all are required?
115605
XML validation with XSD: how to avoid caring about the sequence of the elements?
22250
Best practices: XML attribute vs XML element - When should I use elements and when should I use attributes?
50432
How do I select multiple sets of attributes within an XML document using XPath?
71266
jaxb when xsi:nil=true if any child element exists it is still showing
131760
Spring forms:input HTML5 required attribute
34586
What are attributes in .NET?