<index-see>

An <index-see> element within an <indexterm> element redirects the reader to another index entry that the reader should reference instead of the current one.

The <index-see> and <index-see-also> elements allow a form of redirection to another index entry within the generated index. The <index-see> element refers to an index entry that the reader should use instead of the current one, whereas the <index-see-also> element refers to an index entry that the reader should use in addition to the current one.

Processors should ignore <index-see> and <index-see-also> elements if their parent <indexterm> element contains any <indexterm> children.

Because an <index-see> indicates a redirection to use instead of the current entry, it is an error if, for any <index-see>, there is also an <index-see-also> or an <indexterm> for the same index entry (that is, another entry with an identical sort key). For example, if an <indexterm> element with the content "Memory stick" also includes <index-see>USB drive</index-see>, it is an error if there is also an <indexterm> with the contents "Memory stick". This is to prevent index entries that are both a redirect and a page reference, such as:

* Memory stick     42, 106
     * See USB drive

An implementation MAY give an error message when it encounters this condition, and MAY recover from this error condition by treating the <index-see> as an <index-see-also>.

There can be multiple <index-see> elements for a single index entry.

Content models

See appendix for information about this element in OASIS document type shells.

Inheritance

+ topic/index-base indexing-d/index-see

Example

The following example illustrates the use of an <index-see> redirection element within an <indexterm>:

<indexterm>Carassius auratus
   <index-see>Goldfish</index-see>
</indexterm>

This will typically generate an index entry without a page reference:

  • Carassius auratus, see Goldfish

The following example illustrates the use of an <index-see> redirection element to a more complex (multilevel) <indexterm>:

<indexterm>Feeding goldfish
   <index-see>Goldfish <indexterm>feeding</indexterm></index-see>
</indexterm>

This is part of the indexing markup that might generate index entries such as:

  • Feeding goldfish
    • see Goldfish feeding
  • Goldfish
    • feeding, 56
    • flushing, 128, 345

The following example illustrates using a specialization of <ph> within <index-see>:

<indexterm>Einstein's mass and energy equation
  <index-see>E=mc<sup>2</sup></index-see>
</indexterm>

Attributes

The following attributes are available on this element: Universal attribute group and @keyref.

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