All > Relax NG > Semantics - choice pattern

• Test 224 ( The root element can be only "foo" or "bar" from null namespace. It must be empty. )
• Test 225 ( The root element is "foo" and it can contain either "bar1" and "bar2" or "bar1" and "bar3". See sources 1 and 2. )
• Test 226 ( The root element is "foo" and it must have either "bar1" and "bar2" attributes or "bar1" and "bar3" attributes. See sources 1 and 2. )
• Test 227 ( The root element must be "foo" and it must have just one child element, which is either "bar" or "baz". )