Resolve topic fragments and code references (topic-fragment)

Resolve topic fragments and code references (topic-fragment) The topic-fragment step expands content references to elements in the same topic and resolves references made with the coderef element. This step is implemented in SAX pipes. coderef codeblock preprocessing topic-fragment topic-fragment Saxon conref

Content references to elements in the same topic are defined via same-topic fragments such as #./ID in URIs.

The coderef element is used to reference code stored externally in non-XML documents. During the pre-processing step, the referenced content is pulled into the containing codeblock element.