XML Schema is a leading XML schema language. It generally stands between DTD and RNC in history, desirability, succinctness, and popular recognition. I prefer RNC ... Schematron goes off in a different direction.
XML Schema instances often bear an
I've learned plenty from Eric van der Vlist's book.
On-line introductions to XSD include:
the W3C's online version of
went offline on the last day of June 2009.
Now I use
for schemata of moderate size.
I also have a Windows executable that identifies itself variously
XSV31.EXE and "XSV 3.1-1". I haven't
succeeded in getting useful results from it; like so many of the
validators I've tried, it reports far too much
is valid. How can that be, particularly when on-line XSV gave me
such different results? I don't know, nor have I made time to
find out. Apparently I'm using them the wrong way ..
wrote about XSV
at the end of 2007.
I have an interest in Tcl-based validation. Richard Suchenwirth did nice partial work with tDom in 2004. TclDOM provides full validation ... [document]. I don't understand yet what tom does with tWSDL/TWiST; I need to give it more of a chance.
[Xerces2-J, JAXP, xjparse, Jing!, lxml, RS mini] [XSV: "c.xml catalog.xsd"] [XSV is only one that works for me.]
"The Importance of Being Valid" is a breezy introduction to RNC and XSD.