Browsing documentations is supported by many tools. One of them are document types which support navigation by linking to documents of their type. An information model defines categories of different types that are used to label documents. Navigation is possible from a document to its categories and each category document lists all documents labeled with this category. | Example Box |
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The Topic doctype defines a property named Type that links to an instance of the Topic Type doctype. A topic type may be Howto. A topic document of type howto set its type property to the value of Howto. The Howto document lists all topic documents of its type. |
A document provides no means to link to a document that lists all documents tagged with two different types. The Space Index doctype mainly serves navigation purposes. The document provides links to related information. Therefore this doctype can be used to add indices to a space to list documents matching a combination of categories. The overview is still two clicks away, but at least it exists! This tip shows how to create such an index document. | 
