Testing the OR operator
test 1
These should be found with a pattern like
A $title : ( I $id | B $author ) + : BR
Title 1.1
author 1.1
Title 1.2
id 1.2
Title 1.3
author 1.3
id 1.3
Title 1.4
id 1.4
author 1.4
Test 2
The same thing as before, but with no whitespace between the tags
Title 2.1author 2.1
Title 2.2id 2.2
Title 2.3author 2.3id 2.3
Title 2.4id 2.4author 2.4