EPUB3 fun #11, not all metadata are metadata
By glazou on Friday 14 September 2012, 13:31 - Standards - Permalink
Excerpt from EPUB 3 Publications section 4.3.2 (strong emphasize mine):
Cardinality: In the metadata section:
zero or more
; Attached to other metadata:zero or one
Other metadata? Outside of <metadata>
?!? I don't understand. At all.
It can't be related to the META-INF/metadata.xml file since section 2.5.4 of EPUB3 Container Format reads (strong emphasize mine):
This file, if present, must be used for container-level metadata. This version of the OCF specification does not specify any container-level metadata.
And the other sections of the OPF file do not contain metadata but a manifest, a spine and other stuff but no metadata...
I think - but I can't be sure - it in fact means:
Cardinality: as a primary expression (i.e. applies to the Publication):
zero or more
; as a subexpression (i.e. refining a primary expression or another subexpression:zero or one for the refined expression or subexpression
Anyway, the original prose is very badly worded, to say the least. Carefully reading the spec, I have no idea what are "other metadata" so there is at least an important definition (sic) here that remains undefined...
Comments
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