hello world
{{block "parentblock1"}}
this is parentblock1
{{if value1}}value1 is "true"{{endif}}
{{endblock}}
{{block "PARENTBLOCK2"}}
this is PARENTBLOCK2
{{if value1}}value1 is "true"{{endif}}
{{endblock}}
{{block "parentblock3"}}
this is parentblock3
{{if value1}}value1 is "true"{{endif}}
{{endblock}}
after all blocks
{{if value1}}value1 is "true"{{endif}}