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sort-key Sort Key for Index Entry
Provide an alternative version of the index entry for use as a sort key, for example,
an
ASCII version replacing an accented character with an unaccented one.
OPTIONAL on element: <index-entry>
| Value | Meaning |
|---|---|
| Text, numbers, or special characters | A version of the index entry for sorting. |
| Restriction | This is an optional attribute; there is no default. |