namespace NoNS = ""
namespace pdf1 = "http://iso.org/pdf/ssn"
namespace pdf2 = "http://iso.org/pdf2/ssn"
namespace mml = "http://www.w3.org/1998/Math/MathML"

# These Namespaces to be confirmed. "data:,Layout" would be another possibility
namespace Layout = "http://iso.org/pdf/ssn/Layout"
namespace PrintField = "http://iso.org/pdf/ssn/PrintField"
namespace Table = "http://iso.org/pdf/ssn/Table"
namespace List = "http://iso.org/pdf/ssn/List"
namespace Artifact = "http://iso.org/pdf/ssn/Artifact"

# XHTML Namespace, not currently used
namespace h = "http://www.w3.org/1999/xhtml"

# slightly modified MathML-Core schema.
include "latex-mathml.rnc" {start |= notAllowed}

# Extensions

## MathML Namespace (temp actualtext moved to content element in new code)
mo.attributes &= attribute actualtext {text}?


mpadded-length-percentage |= xsd:string {
  pattern = '\s*(([\-+]?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(r?em|ex|in|cm|mm|p[xtc]|Q|v[hw]|vmin|vmax|%))|0)\s*'
}



# Attributes When Rolemaps are needed for PDF2  elements used in PDF1
pdf1rolemap-Any = notAllowed?
pdf1rolemap-P = notAllowed?
pdf1rolemap-Span = notAllowed?
pdf1rolemap-Note = notAllowed?

# UA-2 Single Document element root.
start = Document | DocumentFragment

## share with pdf1.7 version from here to end

textorHTML &= (Link|Reference|Strong|Code|Em|Lbl|Span|math|Quote|RB|Annot|Figure|Form)*


### PDF structure Namespace

pdf2-attributes =
  structure-properties,
  layout-attributes,
  otherns-attributes,
  showtags-attributes

showtags-attributes =
  attribute af {text}?,
  attribute rolemapped-from {text}?,
  attribute referenced-as {text}?

# Standard Attribute Owner Namespaces (such as CSS3, HTML-5.00) apart from the ones listed here
# and also vendor-specific namespaced attributes are allowed with any name/value.
otherns-attributes =
  attribute (* - (NoNS:*|Layout:*|PrintField:*|Table:*|List:*|Artifact:*)) {text}*

# Properties are modelled as attributes in no namespace
structure-properties =
  attribute lang {text}?,              # Lang
  attribute expanded {text}?,          # E
  attribute actualtext {text}?,        # ActualText
  attribute alt {text}?,               # Alt
  attribute title {text}?,             # T
  attribute id {text}?,                # ID
  attribute phoneme {text}?,           # Phoneme
  attribute phonetic-alphabet {text}?, # PhoneticAlphabet
  attribute revision {text}?           # R
  
layout-attributes =
  # Only validate Layout attributes with Owner Layout
  # PDF 2 states Attributes in this category shall be defined in attribute objects whose O
  # (owner) entry has the value Layout or whose owner is any other owner excluding List, Table,
  # PrintField and Artifact.
#
  attribute Layout:Placement {"Block" | "Inline" | "Before" | "Start" | "End"}?,
  attribute Layout:WritingMode {"LrTb" | "RlTb" | "TbRl" | "TbLr" | "LrBt" | "RlBt" | "BtRl" | "BtLr"}?,
  attribute Layout:BackgroundColor {text}?,
  attribute Layout:BorderColor {text}?,
  attribute Layout:BorderStyle {text}?,
  attribute Layout:BorderThickness {text}?,
  attribute Layout:Color {text}?,
  attribute Layout:Padding {text}?,
#
  attribute Layout:SpaceBefore {text}?,
  attribute Layout:SpaceAfter {text}?,
  attribute Layout:StartIndent {text}?,
  attribute Layout:EndIndent {text}?,
#
  attribute Layout:TextIndent {text}?,
  attribute Layout:TextAlign { "Start" | "Center" | "End" | "Justify"}?,
  attribute Layout:BBox {text}?, #  see apryse PDFA example
#
  attribute Layout:LineHeight {text}?,
  attribute Layout:BaselineShift {text}?,
  attribute Layout:TextDecorationType {"" | "Underline" | "Overline" | "LineThrough"}?,
  attribute Layout:TextPosition {"Sup" | "Sub" | "Normal"}?,
  attribute Layout:TextDecorationColor {text}?,
  attribute Layout:TextDecorationThickness {text}?,
#
  attribute Layout:ColumnCount {text}?,
  attribute Layout:ColumnWidths {text}?,
  attribute Layout:ColumnGap {text}?,
#
  attribute Layout:GlyphOrientationVertical {text}?


list-attributes =
  attribute List:ListNumbering {"" | "Unordered" | "Description" | "Disc" | "Circle" | "Square" | "Ordered" | "Decimal" | "UpperRoman" | "LowerRoman" | "UpperAlpha" | "LowerAlpha"}?,
  attribute List:ContinuedList {text}?,
  attribute List:ContinuedFrom {text}?

printfield-attributes =
  attribute PrintField:Role {text}?,
  attribute PrintField:Checked {text}?,
  attribute PrintField:checked {text}?,
  attribute PrintField:Desc {text}?

table-attributes =
  attribute Table:RowSpan {text}?,
  attribute Table:ColSpan {text}?,
  attribute Table:Headers {text}?,
  attribute Table:Summary {text}?

artifact-attributes =
  attribute Artifact:Type {text}?,
  attribute Artifact:BBox {text}?,
  attribute Artifact:SubType {text}?

document.n =
   (Document|DocumentFragment|Part|Art|Div|Sect|TOC|Aside|BlockQuote|NonStruct|Private|P|Note|Code|Hn|Title|Link|Annot|Form|FENote|Index|L|Table|Figure|Formula|Artifact)

document.1 = H?

Hn=H1|H2|H3|H4|H5|H6|H7

### Document Level


Document = element pdf2:Document {
pdf2-attributes,
((document.1) & (document.n)*)
}

DocumentFragment = element pdf2:DocumentFragment {
pdf1rolemap-Any,
pdf2-attributes,
((document.1) & (document.n)*)
}

### Grouping

Part = element pdf2:Part {
   pdf2-attributes,
  (document.n|H|TOCI|Sub|Lbl|Reference|BibEntry|Caption)*
   }

Sect = element pdf2:Sect{
   pdf2-attributes,
   (H? &
   (DocumentFragment|Part|Art|Div|Sect|TOC|Aside|BlockQuote|NonStruct|Private|P|Note|Code|Hn|Title|Lbl|Link|Annot|Form|FENote|Index|L|Table|Caption|Figure|Formula|Artifact)*)
   }


Aside = element pdf2:Aside {
pdf1rolemap-Any,
pdf2-attributes,
(H?&Caption?&
(text|
Document|DocumentFragment|Part|Art|Div|Sect|TOC|BlockQuote|NonStruct|Private|P|Note|Code|Hn|Lbl|Link|Reference|Annot|Form|FENote|Index|L|Table|Figure|Formula|Artifact)*)
}



NonStruct = element pdf2:NonStruct{
  pdf2-attributes,
  (text|Document|DocumentFragment|Part|Art|Div|Sect|TOC|TOCI|Aside|BlockQuote|NonStruct|Private|P|Note|Code|Hn|H|Title|Sub|Lbl|Em|Strong|Span|Quote|Link|Reference|Annot|Form|Ruby|RB|RT|RP|Warichu|WT|WP|FENote|Index|L|LI|LBody|BibEntry|Table|TR|TH|TD|THead|TBody|TFoot|Caption|Figure|Formula|Artifact)*
   }

Div = element pdf2:Div {
pdf2-attributes,
(Document|DocumentFragment|Part|Art|Div|Sect|TOC|TOCI|Aside|BlockQuote|NonStruct|Private|P|Note|Code|Hn|H|Title|Sub|Lbl|Em|Strong|Span|Quote|Link|Reference|Annot|Form|Ruby|RB|RT|RP|Warichu|WT|WP|FENote|Index|L|LI|LBody|BibEntry|Table|TR|TH|TD|THead|TBody|TFoot|Caption|Figure|Formula|Artifact)*
}

## Block

P = element pdf2:P {
pdf2-attributes,
(text|NonStruct|Private|Note|Code|Sub|Lbl|Em|Strong|Span|Quote|Link|Reference|Annot|Form|Ruby|Warichu|FENote|L|BibEntry|Table|Figure|Formula|Artifact)*
}

sechead.content =
  pdf2-attributes,
  (Art?&Sect?&(text|NonStruct|Private|Note|Code|Sub|Lbl|Em|Strong|Span|Quote|Link|Reference|Annot|Form|Ruby|Warichu|FENote|BibEntry|Figure|Formula|Artifact)*)

H1 = element pdf2:H1 {sechead.content}
H2 = element pdf2:H2 {sechead.content}
H3 = element pdf2:H3 {sechead.content}
H4 = element pdf2:H4 {sechead.content}
H5 = element pdf2:H5 {sechead.content}
H6 = element pdf2:H6 {sechead.content}
H7 = element pdf2:H7 {
pdf1rolemap-Any,
sechead.content}


H = element pdf2:H {sechead.content}


Title = element pdf2:Title {
 pdf1rolemap-P,
 pdf2-attributes,
 (text|Part|Div|Aside|NonStruct|Private|P|Note|Code|Lbl|Em|Strong|Span|Quote|Link|Reference|Annot|Form|Ruby|Warichu|FENote|L|BibEntry|Table|Caption|Figure|Formula|Artifact)*
 }

fenote-attributes = notAllowed?

FENote = element pdf2:FENote {
 pdf1rolemap-Note,
 pdf2-attributes,
 fenote-attributes,
(
 (DocumentFragment|Part|Art|Div|Sect|Aside|BlockQuote|NonStruct|Private|P|Note|Code|Sub|Lbl|Link|Reference|Annot|Form|Ruby|Warichu|FENote|L|Table|Caption|Figure|Formula|Artifact)* # Grouping
 |
  (text|Part|Art|Div|Sect|Aside|BlockQuote|NonStruct|Private|P|Note|Code|Sub|Lbl|Em|Strong|Span|Quote|Link|Reference|Annot|Form|Ruby|Warichu|FENote|L|Table|Figure|Formula|Artifact)* # Block
 )
 }

BibEntry = element pdf2:BibEntry {
 pdf2-attributes,
 (text|Part|Div|NonStruct|Private|P|Note|Lbl|Em|Strong|Span|Link|Reference|Annot|FENote|Figure|Artifact)*
 }

### Sub Block

Sub = element pdf2:Sub	 {
  pdf1rolemap-Any,
  pdf2-attributes,
 (text|NonStruct|Private|Note|Code|Lbl|Em|Strong|Span|Quote|Link|Reference|Annot|Form|Ruby|Warichu|FENote|L|BibEntry|Figure|Formula|Artifact)*
 }


### Inline

Lbl = element pdf2:Lbl {
  pdf2-attributes,
  (text|NonStruct|Private|Note|Code|Sub|Em|Strong|Span|Quote|Link|Reference|Annot|Form|Ruby|Warichu|FENote|BibEntry|Figure|Formula|Artifact|
math)*
   }


Em = element pdf2:Em {
  pdf1rolemap-Span,
  pdf2-attributes,
 (text|NonStruct|Private|Note|Code|Sub|Lbl|Em|Strong|Span|Quote|Link|Reference|Annot|Form|Ruby|Warichu|FENote|BibEntry|Figure|Formula|Artifact)*
}

Strong = element pdf2:Strong {
pdf1rolemap-Span,
pdf2-attributes,
(text|NonStruct|Private|Note|Code|Sub|Lbl|Em|Strong|Span|Quote|Link|Reference|Annot|Form|Ruby|Warichu|FENote|BibEntry|Figure|Formula|Artifact)*
}

Span = element pdf2:Span {
pdf2-attributes,
(text|NonStruct|Private|Note|Code|Sub|Lbl|Em|Strong|Span|Quote|Link|Reference|Annot|Form|Ruby|Warichu|FENote|BibEntry|Figure|Formula|Artifact)*
}


Link = element pdf2:Link {
pdf2-attributes,
(
(DocumentFragment|Part|Art|Div|Sect|Aside|BlockQuote|NonStruct|Private|P|Note|Code|Hn|H|Title|Sub|Lbl|Annot|Form|Ruby|Warichu|FENote|L|BibEntry|Table|Caption|Figure|Formula|Artifact|
math)* # Grouping
|
(text|Art|Div|Sect|NonStruct|Private|Note|Code|Sub|Lbl|Em|Strong|Span|Quote|Reference|Annot|Ruby|Warichu|FENote|BibEntry|Table|Figure|Formula|Artifact|
math)* # 
)
}

Annot = element pdf2:Annot {
pdf2-attributes,
(
(DocumentFragment|Part|Art|Div|Sect|Aside|BlockQuote|NonStruct|Private|P|Note|Code|Hn|H|Title|Sub|Lbl|Link|Reference|Annot|Form|Ruby|Warichu|FENote|L|BibEntry|Table|Caption|Figure|Formula|Artifact)* # Grouping
|
(text|Art|Div|Sect|NonStruct|Private|Note|Code|Sub|Lbl|Em|Strong|Span|Quote|Link|Annot|Ruby|Warichu|FENote|BibEntry|Figure|Formula|Artifact)* # 
)}

Form = element pdf2:Form {
  pdf2-attributes,
  attribute Layout:Width {text}?,
  attribute Layout:Height {text}?,
  printfield-attributes,
(
(Caption? & (Part|Div|NonStruct|Private|Note|Code|Lbl|Reference|FENote|L|BibEntry|Table|Figure|Formula|Artifact))* # Grouping
|
(Caption? & (text|Div|NonStruct|Private|Note|Lbl|FENote|BibEntry|Artifact)*) # Block
)
}

### Ruby

# [a] == Table 369 ISO 32000-2

Ruby = element pdf2:Ruby {
  pdf2-attributes,
  attribute Layout:RubyAlign {"Start" | "Center" | "End" | "Justify" | "Distribute"}?,
  attribute Layout:RubyPosition {"Before" | "After" | "Warichu" | "Inline"}?,
( (text|NonStruct|Private)* & 	(RB,(RT|(RB,RT,RP))) )
}

RB = element pdf2:RB {
  pdf2-attributes,
  attribute Layout:RubyAlign {"Start" | "Center" | "End" | "Justify" | "Distribute"}?,
  attribute Layout:RubyPosition {"Before" | "After" | "Warichu" | "Inline"}?,
(text|NonStruct|Private|Sub|Em|Strong|Span|Quote|Link|Reference|Annot|Link|Form|Artifact)*
}

RT = element pdf2:RT {
  pdf2-attributes,
  attribute Layout:RubyAlign {"Start" | "Center" | "End" | "Justify" | "Distribute"}?,
  attribute Layout:RubyPosition {text}?,
(text|NonStruct|Private|Sub|Em|Strong|Span|Quote|Link|Reference|Annot|Link|Form|Artifact)*
}

RP = element pdf2:RP {
  pdf2-attributes,
  attribute Layout:RubyAlign {text}?,
  attribute Layout:RubyPosition {text}?,
(text|NonStruct|Private|Sub|Em|Strong|Span|Quote|Link|Reference|Annot|Link|Form|Artifact)*
}

# [b] = Table 369 ISO 32000-2

Warichu = element pdf2:Warichu {
pdf2-attributes,
((text|NonStruct|Private)*  & (WP,WT,WP) )
}

WT = element pdf2:WT {
pdf2-attributes,
(text|NonStruct|Private|Sub|Em|Strong|Span|Quote|Link|Reference|Annot|Form|Artifact)*
}

WP = element pdf2:WP {
pdf2-attributes,
(text|NonStruct|Private|Sub|Em|Strong|Span|Quote|Link|Reference|Annot|Form|Artifact)*
}



### Lists

# Caption here is 0..1  matching 32005
# Table 370 ISO 32000-2 says first or last which would be
# (Caption, (NonStruct|Private|L|LI|Artifact)*) | ((NonStruct|Private|L|LI|Artifact)*, Caption?)
L = element pdf2:L {
  pdf2-attributes,
  list-attributes,
  (Caption? & (NonStruct|Private|L|LI|Artifact)*)
}

LI = element pdf2:LI {
  pdf2-attributes,
  (text|Div|NonStruct|Private|Lbl|LBody|Artifact)*
 }


LBody = element pdf2:LBody {
pdf2-attributes,
(H?&Caption?&
(text|Part|Art|Div|Sect|Aside|BlockQuote|NonStruct|Private|P|Note|Code|Hn|Sub|Em|Strong|Span|Quote|Link|Reference|Annot|Form|Ruby|Warichu|FENote|Index|L|BibEntry|Table|Figure|Formula|Artifact)*)
 }


Index = element pdf2:Index {
pdf2-attributes,
(Part|Div|Sect|NonStruct|Private|P|Note|Hn|H|Reference|Annot|FENote|L|Table|Caption|Figure|Formula|Artifact)*
}

### Tables

# Caption here is 0..1  matching 32005
# Table 371 ISO 32000-2 says first or last which would be
# (Caption, (...)) | ((...), Caption?)
Table = element pdf2:Table {
  pdf2-attributes,
  attribute Layout:Width {text}?,
  attribute Layout:Height {text}?,
  table-attributes,
((NonStruct|Private|TR|Artifact)* & (THead?,TBody*,TFoot?) & Caption?)
 }

THead = element pdf2:THead {
  pdf2-attributes,
  table-attributes,
 (NonStruct|Private|TR|Artifact)*
 }

TBody = element pdf2:TBody {
  pdf2-attributes,
  table-attributes,
 (NonStruct|Private|TR|Artifact)*
 }

TFoot = element pdf2:TFoot {
pdf2-attributes,
 (NonStruct|Private|TR|Artifact)*
 }

TR = element pdf2:TR {
  pdf2-attributes,
  table-attributes,
 (NonStruct|Private|TH|TD|Artifact)*
 }

TH = element pdf2:TH {
  pdf2-attributes,
  attribute Layout:Width {text}?,
  attribute Layout:Height {text}?,
  attribute Layout:BlockAlign {"Before" | "Middle" | "After" | "Justify"}?,
  attribute Layout:InlineAlign {"Start" | "Center" | "End"}?,
  attribute Layout:TBorderStyle {text}?,
  attribute Layout:TPadding {text}?,
#
  table-attributes,
  attribute Table:Scope {"Column" | "Row" | "Both"}?,
  attribute Table:Short {text}?,

 (H? & (text|Art|Div|Sect|NonStruct|Private|P|Note|Code|Hn|Lbl|Em|Strong|Span|Quote|Link|Reference|Annot|Form|Ruby|Warichu|FENote|Index|L|BibEntry|Table|Figure|Formula|Artifact)*)
 }

TD = element pdf2:TD {
  pdf2-attributes,
  attribute Layout:Width {text}?,
  attribute Layout:Height {text}?,
  attribute Layout:BlockAlign {"Before" | "Middle" | "After" | "Justify"}?,
  attribute Layout:InlineAlign {"Start" | "Center" | "End"}?,
  attribute Layout:TBorderStyle {text}?,
  attribute Layout:TPadding {text}?,
  table-attributes,
 (H? & (text|Art|Div|Sect|NonStruct|Private|P|Note|Code|Hn|Lbl|Em|Strong|Span|Quote|Link|Reference|Annot|Form|Ruby|Warichu|FENote|Index|L|BibEntry|Table|Figure|Formula|Artifact)*)
 }

# Captions and Figures

Caption = element pdf2:Caption {
 pdf2-attributes,
 (
 (H? & (DocumentFragment|Part|Art|Div|Sect|Aside|BlockQuote|NonStruct|Private|P|Note|Code|Hn|Sub|Lbl|Link|Reference|Annot|Form|Ruby|Warichu|FENote|Index|L|BibEntry|Table|Figure|Formula|Artifact)*) # Grouping
|
 (H? & (text|Part|Art|Div|Sect|Aside|BlockQuote|NonStruct|Private|P|Note|Code|Hn|Sub|Lbl|Em|Strong|Span|Quote|Link|Reference|Annot|Form|Ruby|Warichu|FENote|Index|L|BibEntry|Table|Figure|Formula|Artifact)*) #
)
}

figure-attributes =
  attribute actualtext {text}?&   # ActualText
  attribute alt {text}?           # Alt
  
Figure = element pdf2:Figure {
  attribute lang {text}?,         # Lang
  attribute expanded {text}?,     # E
  attribute title {text}?,        # T
  attribute id {text}?,           # ID
  layout-attributes,
  otherns-attributes,
  showtags-attributes,
  attribute Layout:Width {text}?,
  attribute Layout:Height {text}?,
  figure-attributes,
(
(H? & Caption? & (Part|Art|Div|Sect|Aside|BlockQuote|NonStruct|Private|P|Note|Code|Hn|Sub|Lbl|Link|Reference|Annot|Form|Ruby|Warichu|FENote|Index|L|BibEntry|Table|Figure|Formula|Artifact)*) # Grouping
|
(H? & Caption? & (text|Part|Art|Div|Sect|Aside|BlockQuote|NonStruct|Private|P|Note|Code|Hn|Lbl|Em|Strong|Span|Quote|Link|Reference|Annot|Form|Ruby|Warichu|FENote|Index|L|BibEntry|Table|Figure|Formula|Artifact)*) #
)
}

### Formula

Formula = element pdf2:Formula {
  pdf2-attributes,
  attribute Layout:Width {text}?,
  attribute Layout:Height {text}?,
(H? & Caption? & (text|Part|Div|Aside|BlockQuote|NonStruct|Private|P|Note|Code|Hn|Sub|Lbl|Em|Strong|Span|Quote|Link|Reference|Annot|Form|Ruby|Warichu|FENote|Index|L|BibEntry|Table|Figure|Formula|Artifact|
math)*)
}

### Artifact

Artifact = element pdf2:Artifact {
  pdf1rolemap-Any,
  pdf2-attributes,
  artifact-attributes,
(H? & Caption & (text|Document|DocumentFragment|Part|Art|Div|Sect|TOC|TOCI|Aside|BlockQuote|NonStruct|Private|P|Note|Code|Hn|Title|Sub|Lbl|Em|Strong|Span|Quote|Link|Reference|Annot|Form|Ruby|RB|RT|RP|Warichu|WT|WP|FENote|Index|L|LI|LBody|BibEntry|Table|TR|TH|TD|THead|TBody|TFoot|Figure|Formula|Artifact)*)
}



### PDF1

Art = element pdf1:Art {
  pdf2-attributes,
(H?&
(DocumentFragment|Part|Div|Sect|TOC|Aside|BlockQuote|NonStruct|Private|P|Note|Code|Hn|Title|Lbl|Link|Annot|Form|FENote|Index|L|Table|Caption|Figure|Formula|Artifact)*)
}

Private = element pdf1:Private {
pdf2-attributes,
(text|Document|DocumentFragment|Part|Art|Div|Sect|TOC|TOCI|Aside|BlockQuote|NonStruct|Private|P|Note|Code|Hn|H|Title|Sub|Lbl|Em|Strong|Span|Quote|Link|Reference|Annot|Form|Ruby|RB|RT|RP|Warichu|WT|WP|FENote|Index|L|LI|LBody|BibEntry|Table|TR|TH|TD|THead|TBody|TFoot|Caption|Figure|Formula|Artifact)*
}

TOC = element pdf1:TOC {
pdf2-attributes,
  (Caption? & (Part|TOC|TOCI|NonStruct|Private|Artifact)*)
   }

TOCI = element pdf1:TOCI {
pdf2-attributes,
   (Div|TOC|NonStruct|Private|P|Lbl|Reference|Artifact)*
   }

Note = element pdf1:Note {
 pdf2-attributes,
 (
 (DocumentFragment|Part|Art|Div|Sect|Aside|BlockQuote|NonStruct|Private|P|Note|Sub|Lbl|Em|Strong|Link|Annot|Form|Ruby|Warichu|FENote|Index|L|Table|Caption|Figure|Formula|Artifact)* # Grouping
 |
 (text|Part|Art|Div|Sect|Aside|BlockQuote|NonStruct|Private|P|Note|Code|Sub|Lbl|Em|Strong|Span|Quote|Link|Reference|Annot|Form|Ruby|Warichu|FENote|Index|L|BibEntry|Table|Figure|Formula|Artifact)* # Block
 )
 }

Reference = element pdf1:Reference {
pdf2-attributes,
(text|NonStruct|Private|Note|Lbl|Em|Strong|Span|Link|Annot|FENote|BibEntry|Figure|Artifact)*
   }

Code = element pdf1:Code {
pdf2-attributes,
 (
 (DocumentFragment|Part|Art|Div|Sect|Aside|BlockQuote|NonStruct|Private|P|Note|Sub|Lbl|Em|Strong|Link|Annot|Form|Ruby|Warichu|FENote|Index|L|Table|Caption|Figure|Formula|Artifact)* # Grouping
 |
 (text|Part|Art|Div|Sect|Aside|BlockQuote|NonStruct|Private|P|Note|Code|Sub|Lbl|Em|Strong|Span|Quote|Link|Reference|Annot|Form|Ruby|Warichu|FENote|Index|L|BibEntry|Table|Figure|Formula|Artifact)* # Block
 )
}

# Aside + Title
BlockQuote = element pdf1:BlockQuote {
pdf2-attributes,
 (H?&Caption?&
 (text|Document|DocumentFragment|Part|Art|Div|Sect|TOC|BlockQuote|NonStruct|Private|P|Note|Code|Hn|Title|Lbl|Link|Reference|Annot|Form|FENote|Index|L|Table|Figure|Formula|Artifact)*)
  }

Quote = element pdf1:Quote {
pdf2-attributes,
(text|NonStruct|Private|Note|Code|Sub|Lbl|Em|Strong|Span|Quote|Link|Reference|Annot|Form|Ruby|Warichu|FENote|BibEntry|Figure|Formula|Artifact)*
  }