Cardinality of segments and titles
The number of seg elements must be the same as the number of segtitle elements in the parent segmentedlist
Element exclusion
annotation must not occur among the children or descendants of annotation
caution must not occur among the children or descendants of caution
danger must not occur among the children or descendants of caution
important must not occur among the children or descendants of caution
note must not occur among the children or descendants of caution
tip must not occur among the children or descendants of caution
warning must not occur among the children or descendants of caution
caution must not occur among the children or descendants of danger
danger must not occur among the children or descendants of danger
important must not occur among the children or descendants of danger
note must not occur among the children or descendants of danger
tip must not occur among the children or descendants of danger
warning must not occur among the children or descendants of danger
caution must not occur among the children or descendants of important
danger must not occur among the children or descendants of important
important must not occur among the children or descendants of important
note must not occur among the children or descendants of important
tip must not occur among the children or descendants of important
warning must not occur among the children or descendants of important
caution must not occur among the children or descendants of note
danger must not occur among the children or descendants of note
important must not occur among the children or descendants of note
note must not occur among the children or descendants of note
tip must not occur among the children or descendants of note
warning must not occur among the children or descendants of note
caution must not occur among the children or descendants of tip
danger must not occur among the children or descendants of tip
important must not occur among the children or descendants of tip
note must not occur among the children or descendants of tip
tip must not occur among the children or descendants of tip
warning must not occur among the children or descendants of tip
caution must not occur among the children or descendants of warning
danger must not occur among the children or descendants of warning
important must not occur among the children or descendants of warning
note must not occur among the children or descendants of warning
tip must not occur among the children or descendants of warning
warning must not occur among the children or descendants of warning
caution must not occur among the children or descendants of caption
danger must not occur among the children or descendants of caption
equation must not occur among the children or descendants of caption
example must not occur among the children or descendants of caption
figure must not occur among the children or descendants of caption
important must not occur among the children or descendants of caption
note must not occur among the children or descendants of caption
sidebar must not occur among the children or descendants of caption
table must not occur among the children or descendants of caption
task must not occur among the children or descendants of caption
tip must not occur among the children or descendants of caption
warning must not occur among the children or descendants of caption
equation must not occur among the children or descendants of equation
example must not occur among the children or descendants of equation
figure must not occur among the children or descendants of equation
table must not occur among the children or descendants of equation
equation must not occur among the children or descendants of example
example must not occur among the children or descendants of example
figure must not occur among the children or descendants of example
table must not occur among the children or descendants of example
equation must not occur among the children or descendants of figure
example must not occur among the children or descendants of figure
figure must not occur among the children or descendants of figure
table must not occur among the children or descendants of figure
equation must not occur among the children or descendants of table
example must not occur among the children or descendants of table
figure must not occur among the children or descendants of table
caution must not occur among the children or descendants of footnote
danger must not occur among the children or descendants of footnote
epigraph must not occur among the children or descendants of footnote
equation must not occur among the children or descendants of footnote
example must not occur among the children or descendants of footnote
figure must not occur among the children or descendants of footnote
footnote must not occur among the children or descendants of footnote
important must not occur among the children or descendants of footnote
note must not occur among the children or descendants of footnote
sidebar must not occur among the children or descendants of footnote
table must not occur among the children or descendants of footnote
task must not occur among the children or descendants of footnote
tip must not occur among the children or descendants of footnote
warning must not occur among the children or descendants of footnote
sidebar must not occur among the children or descendants of sidebar
informaltable must not occur among the children or descendants of entry
table must not occur among the children or descendants of entry
Footnote reference type constraint
@linkend on footnoteref must point to a footnote.
Glossary 'firstterm' type constraint
@linkend on firstterm must point to a glossentry.
Glossary 'glossterm' type constraint
@linkend on glossterm must point to a glossentry.
Glossary 'seealso' type constraint
@otherterm on glossseealso must point to a glossentry.
Glossary term definition constraint
A termdef must contain exactly one firstterm
Glosssary 'see' type constraint
@otherterm on glosssee must point to a glossentry.
Indexterm 'startref' type constraint
@startref on indexterm must point to a startofrange indexterm.
@startref on indexterm must point to an indexterm.
Root must have version
If this element is the root element, it must have a version attribute.
If this element is the root element, it must have a version attribute.
If this element is the root element, it must have a version attribute.
If this element is the root element, it must have a version attribute.
If this element is the root element, it must have a version attribute.
Specification of renderas
The renderas attribute can be specified on either the structure or output, but not both.
The renderas attribute can be specified on either the structure or output, but not both.
Synopsis fragment type constraint
@linkend on synopfragmentref must point to a synopfragment.
XLink arc placement
An XLink arc type element must occur as the direct child of an XLink extended type element.
XLink extended placement
An XLink extended type element may not occur as the direct child of an XLink extended type element.
XLink locator placement
An XLink locator type element must occur as the direct child of an XLink extended type element.
XLink resource placement
An XLink resource type element must occur as the direct child of an XLink extended type element.
XLink title placement
An XLink title type element must occur as the direct child of an XLink extended, locator, or arc type element.