This element gives an author the flexibility to sort an index entry in an index differently from
how its text normally would be sorted. The common use for this is to
disregard insignificant leading text, such as punctuation or words
like "the" or "a". For example, the author
Certain languages have special sort order needs. For example, Japanese index entries might be written partially or wholly in kanji, but need to be sorted in phonetic order according to its hiragana/katakana rendition. There is no reliable automated way to map written to phonetic text: for kanji text, there can be multiple phonetic possibilities depending on the context. The only way to correctly sort Japanese index entries is to keep the phonetic counterparts with the written forms. The phonetic text would be presented as the sort order text for indexing purposes.
When an
An
It is an error if there is more than one
+ topic/index-base indexing-d/index-sort-as
This is an example of an index entry for
The following attributes are available on this element: