H1 without icon, with optional subline

{header -> f:format.nl2br()}{subheader}

 H2 without icon, with optional subline

{header -> f:format.nl2br()}{subheader}

 H3

{header -> f:format.raw()}

 H1 with icon, with optional subheadline

{header}
{header -> f:format.nl2br()}

{subheader}

 H2 with icon, with optional subheadline

{header}
{header -> f:format.nl2br()}

{subheader}

 -- do not show header --