11.1 Defining sets of elements

To reduce the number of variants of essentially the same hierarchy, when you define an element path (see §6.4.1 Understanding element paths), you might want to treat several elements as equivalents; for example, topic, concept, task, and reference. You can define a single element set that includes them all, and reference that element set in the element path.

To define sets of elements:

[ElementSets]
; Name for set = list of elements and element sets, separated by
;  spaces.
$setname = element1 element2 $otherset

Give each set an alphanumeric name prefixed with a $ (dollar sign). List the names of members of the set to the right of the equals sign, separated by spaces. For example:

[ElementSets]
$topic = topic concept task reference glossentry
$body = body conbody taskbody refbody glossdef
$sect = section example refsyn
$map = map bookmap
$tref = topicref topichead chapter frontmatter backmatter

A member of an element set can be either of the following:

Member sets must be defined in [ElementSets] above any other sets that include them. Keep the definition of each set all on one line in your configuration file.

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11.2 Specifying properties of element types

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