{{! Foo }}
{{#if @foo}}
Foo
{{/if}}
{{! Bar }}
{{#if @bar}}
Bar
{{/if}}
{{! This comment will not be in the output }}
{{!-- This comment as }} and will not be in the output --}}
{{~! This comment will not be in the output }}
{{! This comment will not be in the output ~}}
{{~! This comment will not be in the output ~}}
{{~!
comment
~}}
{{~! 1 ~}}{{~! 2 ~}}
{{~!~}}
{{~!~}}