[set test 0]
[set t\est 1]
[set t\]est 2]
[set t\ 3]
[set test2 <p>hello</p>]

test 1: [var raw test]
test 2: \[var raw test]
test 3: [var raw test]
test 4: \\[var raw test]
test 5: \\\[var raw test]
test 6: [var raw t\est]
test 7: [var raw t\]est]
test 8: [var raw t\\]est]
test 9: [var html test2]