5 Special features for the EPUB export

5.1 Meta data

Writer2xhtml always exports the title of the document, and also the subject, keywords and description if they are non-empty.

The EPUB standard specifies a number of meta data elements not supported by ODF. Writer2xhtml supports these elements using user-defined meta data. To add user-defined meta data choose File-Properties, User-defined properties. (The export filter includes a custom editor for these.) The following properties are supported:

• Identifier: Each EPUB document must have a unique ID. Normally Writer2xhtml generates a Universal Unique ID (UUID) for this purpose, but you may override this with your own ID.

  To do this add a new property, enter Identifier (case is not important) as name and the ID as value.

  An identifier may follow a specific identification scheme, e.g. ISBN. To specify an identification scheme, append this to the name separated by a period, e.g. Identifier.ISBN.

  It is possible to have several identifiers, in this case append a number to the name, e.g. Identifier1.ISBN and Identifier2. The first identifier is used as the unique ID.

• Creator: A primary creator or author of the publication.

  Enter Creator as name and the creator's name as value.

  A creator may have a special role, you can specify this with a three letter code after the word creator, e.g. creator.aut for the author or creator.ill for the illustrator. For the complete list of three letter codes see the EPUB specification (http://www.idpf.org/2007/opf/OPF_2.0_final_spec.html).

  You can define several creators, in this case add a number to the word creator, e.g. creator1.aut and creator2. The creators will be sorted according to the numbers. Note that some readers may only present the first creator.

  If no creator is defined, Writer2xhtml will export the default creator given in the document (this is usually taken from LO's user settings).

• Contributor: A party whose contribution to the publication is secondary to those named in creator elements. Otherwise it is handled like Creator, and the same rules apply.

• Date: Date of publication. The date must be in the format YYYY-MM-DD (year-month-date) or more generally in the format specified in http://www.w3.org/TR/NOTE-datetime.

  A date may be associated with a special event such as creation, publication or modification. To define this, add the event after the word date, e.g. date.publication.

  You can give several dates, in this case add a number to the word date, e.g. date1.creation, date2.modification.

  If you don't define any dates, Writer2xhtml will include the date the document was last modified.

You can only have one instance of the remaining properties, hence they cannot be numbered. Also no additional data can be appended to the name.

• Publisher: The publisher of the document.

• Type: Terms describing general categories, functions, genres, or aggregation levels for content.

• Format: The media type or dimensions of the resource.

• Source: Information regarding a prior resource from which the publication was derived.

• Relation: An identifier of an auxiliary resource and its relationship to the publication.

• Coverage: The extent or scope of the publication’s content.

• Rights: A statement about rights, or a reference to one.