[oXygen-user] How to disable inserting elements?

[Roderik Dernison]

Hi,


I've got my schema working quite well at the moment. But it can use some more restrictions. For example when my topic already contains a read-more element, it is possible to insert a read-more element  before it.
I found out that in DITA it is possible to insert a title element before another title element. After inserting the second title element oXygen shows an error message that only one title element is allowed.
The same goes for my schema. I cannot insert the same element after an element but can insert it before it, although only one of the same element is allowed.
How can I prevent (if it is possible at all) to insert the same element before the same type of element?

For example, this is possible in DITA:
<topic>
<!-it is possible to insert a title element here, by clicking the right mouse button at the title element and selecting insert before -->
<title>The title of the topic</title>
<!-it is possible to insert a body element here -->
<body/>
</topic>

Kind regards,


Roderik Dernison


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