Pattern

Rule
`schema`
	Assert
	`count(*) = count(pattern)`	A schema element should contain only pattern elements.
	Assert
	`pattern`	A schema element should contain at least one pattern element.
Rule
`pattern`
	Assert
	`count(*) = count(rule)`	A pattern element should contain only rule elements.
	Assert
	`rule`	A pattern element should contain at least one rule elements.
	Assert
	`@name`	A pattern element should have an attribute called name.
Rule
`rule`
	Assert
	`count(*) = count(assert \| report)`	A rule elemement should contain only assert and report elements.
	Assert
	`assert \| report`	A rule elemement should contain at least one assert or report elements.
	Assert
	`@context`	A rule element should have an attribute called context. This should be an XPath for selecting nodes to make assertions and reports about.
Rule
`assert`
	Assert
	`@test`	An assert element should have an attribute called test. This should be an XSLT expression.
Rule
`report`
	Assert
	`@test`	A report element should have an attribute called test. This should be an XSLT expression.

Pattern

Rule
`pattern`
	Assert
	`parent::schema`	A pattern element should be within a schema element.
	Assert
	`string-length(@name) > 0`	A pattern element's name attribute should contain some text.
	Report
	`count(rule) > 4000`	Warning: This implementation of The Schematron only allows 4000 rules per pattern. Split the current pattern into two.
Rule
`rule`
	Assert
	`parent::pattern`	A pattern element should be within a schema element.
	Assert
	`string-length(@context) > 0`	A rule element's context attribute should contain an XPath.
Rule
`assert`
	Assert
	`parent::rule`	An assert element should be within a rule element.
	Assert
	`string-length(@test) > 0`	An assert element's test attribute should contain an XPath expression.
	Assert
	`string-length(text()) > 0`	An assert element should contain some explanatory text.
Rule
`report`
	Assert
	`parent::rule`	A report element should be within a rule element.
	Assert
	`string-length(@test) > 0`	A report element's test attribute should contain an XPath expression.
	Assert
	`string-length(text()) > 0`	A report element should contain some explanatory text.

Schematron Pretty

The Closed Schematron DTD

Rule
`schema`
	Report
	`ancestor::schema`	A schema cannot contain a schema
Rule
`rule[@context="html"]`
	Report
	`*`	This schema seems to be for HTML.