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Extending xsd schema with "choice" model group  RSS feed

Jaikiran Pai
Posts: 10447
IntelliJ IDE Ubuntu
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I am playing with some xsd stuff these days. One of the things i am trying to do is extend an existing xsd to provide more elements in the new one. The base xsd looks like this:

The extended xsd is as follows:

So here i have a "coloursType" with a choice of "red" and "blue" and the extended "more-coloursType" has the additional "dark-red" and "dark-blue". Then in my xml i am trying to do this:

So in the xml, i am trying to use the extended "more-coloursType" and specifying a "dark-red" value. But this fails validation, with a message saying that "dark-red" is not allowed in this place. It starts working if i first have a normal colour (either red or blue) and then have dark-red:

My understanding was with this kind of extension, with the "choice" elements i would have something like:

but this doesn't seem to be the case. Am i missing something? Any changes that i'll have to make to my xsd to allow:

Don't get me started about those stupid light bulbs.
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