new style
Start 'I'm john doe' End
Start 'I'm john doe11' End
Start 'I'm guest7' End
Start 'Hi number 10! Will not be overridden inside the block. I'm john doe, 50 years old.I have 10 children.' End

old style - still supported by Django
Start 'I'm john doe' End
Start 'I'm john doe11' End
Start 'I'm guest7' End
Start 'Hi number 10! Will not be overridden inside the block. I'm john doe, 50 years old.I have 10 children.' End

more with tests
<pongo2.user Value>
user1
user3