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# $Id$

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start = publidoc

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publidoc = element publidoc {

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   publidoc.attributes,

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   publidoc.content

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}

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# ~~~~~~ attributes

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publidoc.attributes =

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   version.attribute

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version.attribute = attribute version { "1.0" }

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# ~~~~~~ content

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publidoc.content =

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   document

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 | top.topic

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# =============================================================================

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#                                  Top level

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# =============================================================================

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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ document ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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document = element document { document.attributes, document.content }

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# ~~~~~~ attributes

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document.attributes =

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   document.id.attribute

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document.id.attribute = attribute xml:id { xsd:ID }

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# ~~~~~~ content

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document.content =

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   metadata?,

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   (division+ | topic+)

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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ topic ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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top.topic = element topic { top.topic.attributes, topic.content }

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# =============================================================================

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#                               Metadata level

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# =============================================================================

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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ metadata ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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metadata = element metadata { metadata.content }

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metadata.content =

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   title

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 & subtitle?

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 & author*

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 & publisher?

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 & language?

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 & date?

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 & place?

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 & source*

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 & subjectset?

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 & abstract?

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 & annotation*

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language = element language { language.attributes }

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language.attributes = lang.attribute

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lang.attribute = attribute xml:lang { xsd:language }

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place = element place { place.content }

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place.content = inlines

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abstract = element abstract { abstract.content }

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abstract.content = parag+

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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ title, subtitle ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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title = element title { title.content }

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title.content = inlines

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subtitle = element subtitle { title.content }

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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ author, publisher ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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author = element author { author.content }

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author.content =

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   firstname?,

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   lastname

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publisher = element publisher { publisher.content }

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publisher.content = inlines

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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ source ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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source = element source {

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   source.attributes,

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   (  (attribute type { "book" }, source.content.book)

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    | (attribute type { "file" })),

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   source.content

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}

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# ~~~~~~ Attributes

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source.attributes =

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   source.id.attribute

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source.id.attribute = attribute id { xsd:NMTOKEN }

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# ~~~~~~ Content

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source.content.book =

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   title,

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   pagenumber*

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source.content =

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   annotation*

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pagenumber = element pagenumber { pagenumber.attributes }

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pagenumber.attributes =

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   pagenumber.value.attribute

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pagenumber.value.attribute = attribute value { pagenumber.value.enumeration }

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pagenumber.value.enumeration = xsd:positiveInteger

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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ subject ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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subjectset = element subjectset { subjectset.content }

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subjectset.content = subject+

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subject = element subject { subject.attributes }

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subject.attributes =

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   subject.id.attribute

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subject.id.attribute = attribute id { xsd:NMTOKEN }

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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ annotation ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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annotation = element annotation { annotation.content }

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annotation.content = inlines

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# =============================================================================

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#                                 Division level

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# =============================================================================

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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ division ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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division = element division { division.content }

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division.content =

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   metadata?,

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   (division+ | topic+)

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# =============================================================================

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#                               Component level

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# =============================================================================

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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ topic ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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topic = element topic { topic.attributes, topic.content }

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# ~~~~~~ attributes

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top.topic.attributes =

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   topic.id.attribute

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 & topic.type.attribute?

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topic.attributes =

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   topic.id.attribute?

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 & topic.type.attribute?

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topic.id.attribute = attribute xml:id { xsd:ID }

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topic.type.attribute = attribute type { xsd:NCName }

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# ~~~~~~ content

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topic.content =

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   metadata?,

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   section+

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# =============================================================================

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#                                 Section level

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# =============================================================================

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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ section ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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section = element section { section.content, section.attributes }

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section.content =

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   metadata?,

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   (section+

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    | (parag | media)+)

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section.attributes =

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   status.attribute?

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status.attribute = attribute status { xsd:NCName }

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# =============================================================================

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#                                 Block level

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# =============================================================================

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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ parag ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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parag = element parag { parag.content }

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parag.content =

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   inlines

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 & link*

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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ media ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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media = element media { media.content }

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media.content =

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   image+,

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   media.caption?

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media.id.attribute = attribute id { xsd:NMTOKEN }

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media.caption = element caption { media.caption.content }

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media.caption.content = parag+

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# ~~~~~~ Image

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image = element image { image.attributes, image.content }

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image.attributes =

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   media.id.attribute

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image.content =

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   copyright?

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copyright = element copyright { copyright.content }

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copyright.content = inlines

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# =============================================================================

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#                                 Inline level

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# =============================================================================

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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ inlines ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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inlines = mixed {

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   sup*

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 & sub*

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 & romannum*

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 & date*

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 & name*

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 & footnote*

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 & foreign*

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 & highlight*

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}

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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ sub, sup ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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sup = element sup { inlines }

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sub = element sub { inlines }

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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ romannum ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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romannum = element romannum { xsd:token {pattern = "([dlxvi]+)"} }

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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ date ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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date = element date { date.attributes, date.content }

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date.attributes = date.of.attribute

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date.of.attribute = attribute of { date.of.enumeration }

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date.of.enumeration = "event" | "birth" | "death"

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date.content = xsd:date | xsd:gYearMonth | xsd:gYear

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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ name ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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firstname = element firstname { inlines }

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lastname = element lastname { inlines }

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name = element name { name.attributes, name.content }

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name.attributes = name.of.attribute?

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name.content = inlines

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name.of.attribute = attribute of { name.of.enumeration }

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name.of.enumeration = "person" | "company" | "book" | "newspaper" | "party"

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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ footnote ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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footnote = element footnote { footnote.attributes, footnote.content }

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footnote.attributes = footnote.label.attribute?

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footnote.label.attribute = attribute label { text }

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footnote.content = parag+

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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ foreign ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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foreign = element foreign { foreign.attributes, foreign.content }

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foreign.attributes = lang.attribute?

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foreign.content = inlines

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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ highlight ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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highlight = element highlight { highlight.content }

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highlight.content = inlines

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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ link ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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link = element link { link.attributes, link.content }

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link.attributes = empty

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link.content = inlines