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Found 2 results

  1. Hi all, please pardon me if i post to wrong section (it took me 3 days to even gain access this site). In your xsd tutorial, the Example 2 description is plain wrong, and it is confusing people. The faulty page is here: https://www.w3schools.com/xml/el_all.asp The error must be there for a long time, it even has its own post on stackoverflow https://stackoverflow.com/questions/5677154/how-do-i-make-items-optional-in-xsall Quote: "The example above indicates that the "firstname" and the "lastname" elements can appear in any order and each element CAN appear zero or one time!" To allow each subelement to be missing, the minOccurs attribute must be put to the subelements, not the xs:all itself. Please fix the embarassing error. :-)
  2. How are groups meant to be used?

    When I read the documentation regarding the "group" element, it looks like it would be used similar to the "all", "any" or "choice" tags. It also says that it has optional "name" and "ref" attributes that cannot be used simultaneously. However, when I try to create a group within a sequence, I get a validation complaint that the required "ref" attribute is missing. The page at http://www.w3schools.com/schema/el_group.asp does not say anything about a situation where this would be required. It does have an example where a group is declared with a name and then used, by reference, later within a complex type definition. There it makes sense that the "ref" attribute is required to reference the pre-defined group. Is this something like a macro that can be used to name some elements to be used in multiple type definitions by reference? Can a group be created within a sequence without a name or ref attribute?
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