(SQL mode="mask")
SELECT username,email FROM users;
[link action="showuser"
username="username"
]username[/link],
[link to="mailto:email"]email[/link]
(/SQL)
Becomes :
SELECT username,email FROM users;
username,
email
Also when tags have tags embedded in their attributes like this :
data
converting the expression to XML like this;
b="d"data