SMIL

Pattern

Rule
`/smil`
	Assert
	`self::*`	A `<name path=""/>` element must appear at the top level.
	Assert
	`count(head) < 2`	A `<name path=""/>` element should not have more than one head element.
	Assert
	`count(body) < 2`	A `<name path=""/>` element should not have more than one body element.
Rule
`smil`
	Assert
	`ancestor::*`	A `<name path=""/>` element must only appear at the top level.

The Document Head

Pattern

Rule
`head`
	Assert
	`parent::smil`	A `<name path=""/>` element should be a child of the smil element.
	Assert
	`(count(layout) + count(switch) + count(meta)) = count(*)`	A `<name path=""/>` element should only contain the elements layout, switch or meta.
Rule
`meta`
	Assert
	`@name`	A `<name path=""/>` element should have a name attribute.
	Assert
	`@content`	A `<name path=""/>` element should have a content attribute.
	Assert
	`parent::head`	A `<name path=""/>` element can only appear in a head element.
	Report
	`*`	A `<name path=""/>` element should not have any content.
Rule
`layout`
	Assert
	`parent::head or parent::switch`	A `<name path=""/>` element can only appear in a head or switch element.
Rule
`head/switch`
	Assert
	`layout`	A `<name path=""/>` element in the head can only contain layout elements.
Rule
`region \| root-layout`
	Assert
	`ancestor::layout`	A `<name path=""/>` must be in a layout element.
	Report
	`*`	A `<name path=""/>` should be empty. It should not have any subelements.

The Document Body

Pattern

Rule
`body`
	Assert
	`parent::smil`	A `<name path=""/>` element should be a child of the smil element.
	Assert container content
	`count(audio) + count(video) + count(text) + count(img) + count(animation) + count(textstream) + count(ref) + count(par) + count(seq) + count(switch) + count(a) = count(*)`	A `<name path=""/>` element can only have container content.
Rule
`par \| seq \| body/switch`
	Assert container content
	`count(audio) + count(video) + count(text) + count(img) + count(animation) + count(textstream) + count(ref) + count(par) + count(seq) + count(switch) + count(a) = count(*)`	A `<name path=""/>` element can only have container content.
Rule mo-elements
`audio \|video \|text \|img \|animation \|textstream \|ref`
	Report mo-content
	`count(anchor) < count(*)`	Only anchor elements are allowed as subelements of media object elements.
	Assert
	`parent::par or parent::switch or parent::seq`	A `<name path=""/>` element may only be inside the elements par, switch or seq.
Rule
`anchor`
	Assert
	`@href`	A `<name path=""/>` element should have an href element.
Rule
`a`
	Assert
	`@href`	A `<name path=""/>` element should have an href element.

Media Object Attributes

Pattern

Rule
`[@region] \| [@alt] \| [@longdesc] \| [@src] \| [@type] \| [@dur] \| *[@repeat]`
	Assert
	`self::audio or self::video or self::text or self::img or self::animation or self::textstream or self::ref`	A Media Object attribute should only be on a Media Object Element.

Id Attributes

Pattern

Rule
`*[@id]`
	Assert
	`self::smil or self::head or self::layout or self::region or self::root or self::body or self::par or self::seq or self::switch or self::audio or self::video or self::text or self::img or self::animation or self::textstream or self::ref`	A `<name path=""/>` element cannot have an ID attribute.

Link Attributes

Skip Attributes

Pattern

Rule
`a[@show] \| anchor[@show]`
Assert
`(@show='replace') or (@show='new') or (@show='pause')`	The show attribute on a `<name path=""/>` element should have one of the values replace, new or pause.

Pattern

Rule
`meta[@skip-content] \| anchor[@skip-content] \| root-layout[@skip-content] \| region[@skip-content]`
	Assert
	`(@skip-content ='true' ) or ( @skip-content = 'false')`	A skip-content attribute on a `<name path=""/>` element can only have a value of true or false.

Rule
`region[@fit]`
	Assert
	`(@fit='hidden' ) or (@fit='fill') or (@fit='meet') or (@fit='scroll') or (@fit='slice')`	In the element `<name path=""/>` the attribute fit can only have values hidden, fill, meet, scroll or slice.

Schematron Pretty