In this document, all transcluded IDs are resolved with the ‘auto’ fixup. In a document where the same fragment is included (for example, with XInclude) more than once, any ID values in that fragment will be duplicated in the resulting document. Duplicate IDs should be avoided. The DocBook Transclusion specification is intended to address this problem by providing “fixup” mechanisms. In this document, we use the following caution element as an example: Here it is repeated:

Here it is repeated in a subsection:

Here it is repeated in another subsection: