This example illustrates cross-referencing within a procedure that lists steps to perform a given task. Cross-referencing is needed because a step will often have to refer to other steps in the same procedure. Cross-referencing can be accomplished through the use of referents.
Assigning each list in the document a unique number allows the referents to have unique names, even if steps in different lists have the same name. This will ensure that cross-references always refer to steps in the current list.
global integer list-number global integer step-number ... element list set step-number to 1 output "%c" increment list-number element step set referent "%d(list-number)/%v(id)" to "%d(step-number)" when attribute id is specified output "%c" increment step-number element step-ref output referent "%d(list-number)/%v(id)" suppress
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