XML Schema Documentation

Table of Contents

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Schema Document Properties

Target Namespace None
Element and Attribute Namespaces
  • Global element and attribute declarations belong to this schema's target namespace.
  • By default, local element declarations have no namespace.
  • By default, local attribute declarations have no namespace.
Application Data <tsd:schemaInfo name="EpigraphicUnit">
<tsd:collection name="XSTAR"/> <tsd:doctype name="epigraphicUnit">
<tsd:logical>
<tsd:content>
closed
</tsd:content>
</tsd:logical>
</tsd:doctype> <tsd:adminInfo>
<tsd:server>
4.2.1.1
</tsd:server> <tsd:modified>
2005-07-11T12:40:02.271-06:00
</tsd:modified> <tsd:created>
2004-06-12T21:32:33.101-06:00
</tsd:created> <tsd:version>
TSD4.2
</tsd:version>
</tsd:adminInfo>
</tsd:schemaInfo>

Declared Namespaces

Prefix Namespace
xml http://www.w3.org/XML/1998/namespace
tsd http://namespaces.softwareag.com/tamino/TaminoSchemaDefinition
xs http://www.w3.org/2001/XMLSchema
Schema Component Representation
<xs:schema>
...
</xs:schema>
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Global Declarations

Element: epigraphicUnit

Name epigraphicUnit
Type Locally-defined complex type
Nillable no
Abstract no
Documentation Archaeological Markup Language (ArchaeoML), version 0.9, February 2006. Created by David Schloen of the University of Chicago. EpigraphicUnit document type. An EpigraphicUnit document represents a physical component of a text, e.g., the whole text, a section, a column, a line, or a sign.
Diagram
XML Instance Representation
<epigraphicUnit
UUID="xs:string [1]"
ownedBy="xs:string [1]"
type="xs:string [0..1] ?"
language="xs:NMTOKEN [0..1]"
foregroundColor="xs:string [0..1]"
backgroundColor="xs:string [0..1]"
hyperlinkColor="xs:string [0..1]"
dateTime="xs:dateTime [0..1]"
isPrivate="xs:boolean [0..1]"
checkOutUUID="xs:string [0..1]"
checkOutDateTime="xs:dateTime [0..1]">
<name> [0..1]
<!-- Mixed content -->
<string> ... </string> [0..*]
</name>
<shortName> [0..1]
<!-- Mixed content -->
<string> ... </string> [0..*]
</shortName>
<preferences/> [0..1]
<properties> [0..1] ?
<property> ... </property> [0..*]
</properties>
<links> ... </links> [0..1]
<notes> ... </notes> [0..1]
Start Choice [0..*]
<scriptUnits
fontURI="xs:anyURI [0..1]"
fontIndex="xs:short [0..1]"
displayName="xs:string [0..1]"> [0..1] ?
Start Sequence [1..*]
<scriptUnitID> xs:string </scriptUnitID> [0..*]
<scriptUnitReadingID> xs:string </scriptUnitReadingID> [0..*]
End Sequence
</scriptUnits>
<scriptUnitDisplay> [0..1]
<layout> xs:NMTOKEN (value comes from list: {'horizontal'|'vertical'}) </layout> [0..1]
<direction> xs:NMTOKEN (value comes from list: {'leftToRight'|'rightToLeft'}) </direction> [0..1]
<facing> xs:NMTOKEN (value comes from list: {'left'|'right'}) </facing> [0..1]
<scriptUnitGroup> [0..1]
<groupPlacement> xs:NMTOKEN (value comes from list: {'leftHalf'|'rightHalf'|'half'|'third'|'quarter'|'fifth'|'twoThird'|'threeQuarter'|'self'|'exact'}) </groupPlacement> [0..1]
<alignment> xs:NMTOKEN (value comes from list: {'left'|'right'|'center'}) </alignment> [0..1]
<flipped> xs:boolean </flipped> [0..1]
<mirrored> xs:boolean </mirrored> [0..1]
<penColor> xs:NMTOKEN (value comes from list: {'black'|'red'|'edit'|'default'|'highlight'}) </penColor> [0..1]
<scalingFactor> xs:integer </scalingFactor> [0..1]
<exactPosition> [0..1]
<X> xs:decimal </X> [1]
<Y> xs:decimal </Y> [1]
</exactPosition>
</scriptUnitGroup>
</scriptUnitDisplay>
<transliteration
fontURI="xs:anyURI [0..1]"> [0..1] ?
<!-- Mixed content -->
<string> ... </string> [0..*]
</transliteration>
End Choice
<interpretations> [0..1]
<interpretation
dateTime="xs:dateTime [0..1]"> [0..*]
<properties> [0..1]
<property> ... </property> [0..*]
</properties>
<links> ... </links> [0..1] ?
<notes> ... </notes> [0..1]
Start Choice [0..*]
<scriptUnits
fontURI="xs:anyURI [0..1]"
fontIndex="xs:short [0..1]"
displayName="xs:string [0..1]"> [0..1]
Start Sequence [1..*]
<scriptUnitID> xs:string </scriptUnitID> [0..*]
<scriptUnitReadingID> xs:string </scriptUnitReadingID> [0..*]
End Sequence
</scriptUnits>
<scriptUnitDisplay> [0..1]
<layout> xs:NMTOKEN (value comes from list: {'horizontal'|'vertical'}) </layout> [0..1]
<direction> xs:NMTOKEN (value comes from list: {'leftToRight'|'rightToLeft'}) </direction> [0..1]
<facing> xs:NMTOKEN (value comes from list: {'left'|'right'}) </facing> [0..1]
<scriptUnitGroup> [0..1]
<groupPlacement> xs:NMTOKEN (value comes from list: {'leftHalf'|'rightHalf'|'half'|'third'|'quarter'|'fifth'|'twoThird'|'threeQuarter'|'self'|'exact'}) </groupPlacement> [0..1]
<alignment> xs:NMTOKEN (value comes from list: {'left'|'right'|'center'}) </alignment> [0..1]
<flipped> xs:boolean </flipped> [0..1]
<mirrored> xs:boolean </mirrored> [0..1]
<penColor> xs:NMTOKEN (value comes from list: {'black'|'red'|'edit'|'default'|'highlight'}) </penColor> [0..1]
<scalingFactor> xs:integer </scalingFactor> [0..1]
<exactPosition> [0..1]
<X> xs:decimal </X> [1]
<Y> xs:decimal </Y> [1]
</exactPosition>
</scriptUnitGroup>
</scriptUnitDisplay>
<transliteration
fontURI="xs:anyURI [0..1]"> [0..1] ?
<!-- Mixed content -->
<string> ... </string> [0..*]
</transliteration>
End Choice
</interpretation>
</interpretations>
</epigraphicUnit>
Schema Component Representation
<xs:element name="epigraphicUnit">
<xs:complexType>
<xs:sequence>
<xs:element name="name" minOccurs="0">
<xs:complexType mixed="true">
<xs:sequence>
<xs:element ref="string" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="shortName" minOccurs="0">
<xs:complexType mixed="true">
<xs:sequence>
<xs:element ref="string" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="preferences" minOccurs="0">
<xs:complexType>
<xs:sequence/>
</xs:complexType>
</xs:element>
<xs:element name="properties" minOccurs="0">
<xs:complexType>
<xs:sequence>
<xs:element ref="property" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element ref="links" minOccurs="0"/>
<xs:element ref="notes" minOccurs="0"/>
<xs:choice minOccurs="0" maxOccurs="unbounded">
<xs:element name="scriptUnits" minOccurs="0">
<xs:complexType>
<xs:sequence>
<xs:sequence maxOccurs="unbounded">
<xs:element name="scriptUnitID" type="xs:string" minOccurs="0" maxOccurs="unbounded"/>
<xs:element name="scriptUnitReadingID" type="xs:string" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
</xs:sequence>
<xs:attribute name="fontURI" type="xs:anyURI"/>
<xs:attribute name="fontIndex" type="xs:short"/>
<xs:attribute name="displayName" type="xs:string"/>
</xs:complexType>
</xs:element>
<xs:element name="scriptUnitDisplay" minOccurs="0">
<xs:complexType>
<xs:sequence>
<xs:element name="layout" minOccurs="0">
<xs:simpleType>
<xs:restriction base="xs:NMTOKEN">
<xs:enumeration value="horizontal"/>
<xs:enumeration value="vertical"/>
</xs:restriction>
</xs:simpleType>
</xs:element>
<xs:element name="direction" minOccurs="0">
<xs:simpleType>
<xs:restriction base="xs:NMTOKEN">
<xs:enumeration value="leftToRight"/>
<xs:enumeration value="rightToLeft"/>
</xs:restriction>
</xs:simpleType>
</xs:element>
<xs:element name="facing" minOccurs="0">
<xs:simpleType>
<xs:restriction base="xs:NMTOKEN">
<xs:enumeration value="left"/>
<xs:enumeration value="right"/>
</xs:restriction>
</xs:simpleType>
</xs:element>
<xs:element name="scriptUnitGroup" minOccurs="0">
<xs:complexType>
<xs:sequence>
<xs:element name="groupPlacement" minOccurs="0">
<xs:simpleType>
<xs:restriction base="xs:NMTOKEN">
<xs:enumeration value="leftHalf"/>
<xs:enumeration value="rightHalf"/>
<xs:enumeration value="half"/>
<xs:enumeration value="third"/>
<xs:enumeration value="quarter"/>
<xs:enumeration value="fifth"/>
<xs:enumeration value="twoThird"/>
<xs:enumeration value="threeQuarter"/>
<xs:enumeration value="self"/>
<xs:enumeration value="exact"/>
</xs:restriction>
</xs:simpleType>
</xs:element>
<xs:element name="alignment" minOccurs="0">
<xs:simpleType>
<xs:restriction base="xs:NMTOKEN">
<xs:enumeration value="left"/>
<xs:enumeration value="right"/>
<xs:enumeration value="center"/>
</xs:restriction>
</xs:simpleType>
</xs:element>
<xs:element name="flipped" type="xs:boolean" minOccurs="0"/>
<xs:element name="mirrored" type="xs:boolean" minOccurs="0"/>
<xs:element name="penColor" minOccurs="0">
<xs:simpleType>
<xs:restriction base="xs:NMTOKEN">
<xs:enumeration value="black"/>
<xs:enumeration value="red"/>
<xs:enumeration value="edit"/>
<xs:enumeration value="default"/>
<xs:enumeration value="highlight"/>
</xs:restriction>
</xs:simpleType>
</xs:element>
<xs:element name="scalingFactor" type="xs:integer" minOccurs="0"/>
<xs:element name="exactPosition" minOccurs="0">
<xs:complexType>
<xs:sequence>
<xs:element name="X" type="xs:decimal"/>
<xs:element name="Y" type="xs:decimal"/>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="transliteration" minOccurs="0">
<xs:complexType mixed="true">
<xs:sequence>
<xs:element ref="string" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="fontURI" type="xs:anyURI"/>
</xs:complexType>
</xs:element>
</xs:choice>
<xs:element name="interpretations" minOccurs="0">
<xs:complexType>
<xs:sequence>
<xs:element name="interpretation" minOccurs="0" maxOccurs="unbounded">
<xs:complexType>
<xs:sequence>
<xs:element name="properties" minOccurs="0">
<xs:complexType>
<xs:sequence>
<xs:element ref="property" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element ref="links" minOccurs="0"/>
<xs:element ref="notes" minOccurs="0"/>
<xs:choice minOccurs="0" maxOccurs="unbounded">
<xs:element name="scriptUnits" minOccurs="0">
<xs:complexType>
<xs:sequence>
<xs:sequence maxOccurs="unbounded">
<xs:element name="scriptUnitID" type="xs:string" minOccurs="0" maxOccurs="unbounded"/>
<xs:element name="scriptUnitReadingID" type="xs:string" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
</xs:sequence>
<xs:attribute name="fontURI" type="xs:anyURI"/>
<xs:attribute name="fontIndex" type="xs:short"/>
<xs:attribute name="displayName" type="xs:string"/>
</xs:complexType>
</xs:element>
<xs:element name="scriptUnitDisplay" minOccurs="0">
<xs:complexType>
<xs:sequence>
<xs:element name="layout" minOccurs="0">
<xs:simpleType>
<xs:restriction base="xs:NMTOKEN">
<xs:enumeration value="horizontal"/>
<xs:enumeration value="vertical"/>
</xs:restriction>
</xs:simpleType>
</xs:element>
<xs:element name="direction" minOccurs="0">
<xs:simpleType>
<xs:restriction base="xs:NMTOKEN">
<xs:enumeration value="leftToRight"/>
<xs:enumeration value="rightToLeft"/>
</xs:restriction>
</xs:simpleType>
</xs:element>
<xs:element name="facing" minOccurs="0">
<xs:simpleType>
<xs:restriction base="xs:NMTOKEN">
<xs:enumeration value="left"/>
<xs:enumeration value="right"/>
</xs:restriction>
</xs:simpleType>
</xs:element>
<xs:element name="scriptUnitGroup" minOccurs="0">
<xs:complexType>
<xs:sequence>
<xs:element name="groupPlacement" minOccurs="0">
<xs:simpleType>
<xs:restriction base="xs:NMTOKEN">
<xs:enumeration value="leftHalf"/>
<xs:enumeration value="rightHalf"/>
<xs:enumeration value="half"/>
<xs:enumeration value="third"/>
<xs:enumeration value="quarter"/>
<xs:enumeration value="fifth"/>
<xs:enumeration value="twoThird"/>
<xs:enumeration value="threeQuarter"/>
<xs:enumeration value="self"/>
<xs:enumeration value="exact"/>
</xs:restriction>
</xs:simpleType>
</xs:element>
<xs:element name="alignment" minOccurs="0">
<xs:simpleType>
<xs:restriction base="xs:NMTOKEN">
<xs:enumeration value="left"/>
<xs:enumeration value="right"/>
<xs:enumeration value="center"/>
</xs:restriction>
</xs:simpleType>
</xs:element>
<xs:element name="flipped" type="xs:boolean" minOccurs="0"/>
<xs:element name="mirrored" type="xs:boolean" minOccurs="0"/>
<xs:element name="penColor" minOccurs="0">
<xs:simpleType>
<xs:restriction base="xs:NMTOKEN">
<xs:enumeration value="black"/>
<xs:enumeration value="red"/>
<xs:enumeration value="edit"/>
<xs:enumeration value="default"/>
<xs:enumeration value="highlight"/>
</xs:restriction>
</xs:simpleType>
</xs:element>
<xs:element name="scalingFactor" type="xs:integer" minOccurs="0"/>
<xs:element name="exactPosition" minOccurs="0">
<xs:complexType>
<xs:sequence>
<xs:element name="X" type="xs:decimal"/>
<xs:element name="Y" type="xs:decimal"/>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="transliteration" minOccurs="0">
<xs:complexType mixed="true">
<xs:sequence>
<xs:element ref="string" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="fontURI" type="xs:anyURI"/>
</xs:complexType>
</xs:element>
</xs:choice>
</xs:sequence>
<xs:attribute name="dateTime" type="xs:dateTime"/>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
<xs:attribute name="UUID" type="xs:string" use="required"/>
<xs:attribute name="ownedBy" type="xs:string" use="required"/>
<xs:attribute name="type" type="xs:string"/>
<xs:attribute name="language" type="xs:NMTOKEN"/>
<xs:attribute name="foregroundColor" type="xs:string"/>
<xs:attribute name="backgroundColor" type="xs:string"/>
<xs:attribute name="hyperlinkColor" type="xs:string"/>
<xs:attribute name="dateTime" type="xs:dateTime"/>
<xs:attribute name="isPrivate" type="xs:boolean"/>
<xs:attribute name="checkOutUUID" type="xs:string"/>
<xs:attribute name="checkOutDateTime" type="xs:dateTime"/>
</xs:complexType>
</xs:element>
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Element: links

Name links
Type Locally-defined complex type
Nillable no
Abstract no
Diagram
XML Instance Representation
Schema Component Representation
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Element: notes

Name notes
Type Locally-defined complex type
Nillable no
Abstract no
Diagram
XML Instance Representation
<notes>
<note
type="xs:string [0..1]"
dateTime="xs:dateTime [0..1]"> [0..*]
<!-- Mixed content -->
<links> ... </links> [0..1]
<string> ... </string> [0..*]
</note>
</notes>
Schema Component Representation
<xs:element name="notes">
<xs:complexType>
<xs:sequence>
<xs:element name="note" minOccurs="0" maxOccurs="unbounded">
<xs:complexType mixed="true">
<xs:sequence>
<xs:element ref="links" minOccurs="0"/>
<xs:element ref="string" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="type" type="xs:string"/>
<xs:attribute name="dateTime" type="xs:dateTime"/>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
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Element: property

Name property
Type Locally-defined complex type
Nillable no
Abstract no
Diagram
XML Instance Representation
<property
isPrimary="xs:boolean [0..1]">
<property> ... </property> [0..*]
<variableID> xs:string </variableID> [1]
Start Choice [1]
<valueID> xs:string </valueID> [1]
<date> xs:date </date> [1]
<boolean> xs:boolean </boolean> [1]
<integer> xs:integer </integer> [1]
<decimal> xs:decimal </decimal> [1]
<string> ... </string> [1]
<docID
type="xs:NMTOKEN [1]"
info="xs:string [0..1]"> [1]
xs:string
</docID>
End Choice
</property>
Schema Component Representation
<xs:element name="property">
<xs:complexType>
<xs:sequence>
<xs:element ref="property" minOccurs="0" maxOccurs="unbounded"/>
<xs:element name="variableID" type="xs:string"/>
<xs:choice>
<xs:element name="valueID" type="xs:string"/>
<xs:element name="date" type="xs:date"/>
<xs:element name="boolean" type="xs:boolean"/>
<xs:element name="integer" type="xs:integer"/>
<xs:element name="decimal" type="xs:decimal"/>
<xs:element ref="string"/>
<xs:element name="docID">
<xs:complexType>
<xs:simpleContent>
<xs:extension base="xs:string">
<xs:attribute name="type" type="xs:NMTOKEN" use="required"/>
<xs:attribute name="info" type="xs:string"/>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
</xs:element>
</xs:choice>
</xs:sequence>
<xs:attribute name="isPrimary" type="xs:boolean"/>
</xs:complexType>
</xs:element>
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Element: string

Name string
Type Locally-defined complex type
Nillable no
Abstract no
Diagram
XML Instance Representation
<string
language="xs:NMTOKEN [0..1]"
function="xs:string [0..1]"
fontURI="xs:anyURI [0..1]"
fontSize="xs:NMTOKEN (value comes from list: {'smallest'|'smaller'|'medium'|'larger'|'largest'}) [0..1]"
color="xs:string [0..1]"
isBold="xs:boolean [0..1]"
isItalic="xs:boolean [0..1]"
isUnderlined="xs:boolean [0..1]"
isSmallCaps="xs:boolean [0..1]"
isSuperscript="xs:boolean [0..1]"
isSubscript="xs:boolean [0..1]"
isHTML="xs:boolean [0..1]">
<!-- Mixed content -->
<properties> [0..1]
<property> ... </property> [0..*]
</properties>
<links> ... </links> [0..1]
<string> ... </string> [0..*]
</string>
Schema Component Representation
<xs:element name="string">
<xs:complexType mixed="true">
<xs:sequence>
<xs:element name="properties" minOccurs="0">
<xs:complexType>
<xs:sequence>
<xs:element ref="property" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element ref="links" minOccurs="0"/>
<xs:element ref="string" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="language" type="xs:NMTOKEN"/>
<xs:attribute name="function" type="xs:string"/>
<xs:attribute name="fontURI" type="xs:anyURI"/>
<xs:attribute name="fontSize">
<xs:simpleType>
<xs:restriction base="xs:NMTOKEN">
<xs:enumeration value="smallest"/>
<xs:enumeration value="smaller"/>
<xs:enumeration value="medium"/>
<xs:enumeration value="larger"/>
<xs:enumeration value="largest"/>
</xs:restriction>
</xs:simpleType>
</xs:attribute>
<xs:attribute name="color" type="xs:string"/>
<xs:attribute name="isBold" type="xs:boolean"/>
<xs:attribute name="isItalic" type="xs:boolean"/>
<xs:attribute name="isUnderlined" type="xs:boolean"/>
<xs:attribute name="isSmallCaps" type="xs:boolean"/>
<xs:attribute name="isSuperscript" type="xs:boolean"/>
<xs:attribute name="isSubscript" type="xs:boolean"/>
<xs:attribute name="isHTML" type="xs:boolean"/>
</xs:complexType>
</xs:element>
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Legend

Complex Type:

Schema Component Type

AusAddress

Schema Component Name
Super-types: Address < AusAddress (by extension)
Sub-types:
  • QLDAddress (by restriction)
If this schema component is a type definition, its type hierarchy is shown in a gray-bordered box.
Name AusAddress
Abstract no
The table above displays the properties of this schema component.
XML Instance Representation
<... country="Australia" >
<unitNo> string </unitNo> [0..1]
<houseNo> string </houseNo> [1]
<street> string </street> [1]
Start Choice [1]
<city> string </city> [1]
<town> string </town> [1]
End Choice
<state> AusStates </state> [1]
<postcode> string <<pattern = [1-9][0-9]{3}>> </postcode> [1] ?
</...>

The XML Instance Representation table above shows the schema component's content as an XML instance.

Schema Component Representation
<complexType name="AusAddress">
<complexContent>
<extension base="Address">
<sequence>
<element name="state" type="AusStates"/>
<element name="postcode">
<simpleType>
<restriction base="string">
<pattern value="[1-9][0-9]{3}"/>
</restriction>
</simpleType>
</element>
</sequence>
<attribute name="country" type="string" fixed="Australia"/>
</extension>
</complexContent>
</complexType>
The Schema Component Representation table above displays the underlying XML representation of the schema component. (Annotations are not shown.)
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Glossary

Abstract (Applies to complex type definitions and element declarations). An abstract element or complex type cannot used to validate an element instance. If there is a reference to an abstract element, only element declarations that can substitute the abstract element can be used to validate the instance. For references to abstract type definitions, only derived types can be used.

All Model Group Child elements can be provided in any order in instances. See: http://www.w3.org/TR/xmlschema-1/#element-all.

Choice Model Group Only one from the list of child elements and model groups can be provided in instances. See: http://www.w3.org/TR/xmlschema-1/#element-choice.

Collapse Whitespace Policy Replace tab, line feed, and carriage return characters with space character (Unicode character 32). Then, collapse contiguous sequences of space characters into single space character, and remove leading and trailing space characters.

Disallowed Substitutions (Applies to element declarations). If substitution is specified, then substitution group members cannot be used in place of the given element declaration to validate element instances. If derivation methods, e.g. extension, restriction, are specified, then the given element declaration will not validate element instances that have types derived from the element declaration's type using the specified derivation methods. Normally, element instances can override their declaration's type by specifying an xsi:type attribute.

Key Constraint Like Uniqueness Constraint, but additionally requires that the specified value(s) must be provided. See: http://www.w3.org/TR/xmlschema-1/#cIdentity-constraint_Definitions.

Key Reference Constraint Ensures that the specified value(s) must match value(s) from a Key Constraint or Uniqueness Constraint. See: http://www.w3.org/TR/xmlschema-1/#cIdentity-constraint_Definitions.

Model Group Groups together element content, specifying the order in which the element content can occur and the number of times the group of element content may be repeated. See: