Hello @rnunez you’re fine, my English is not even terrible.
{ORDER STATE MINUTES:X} and {TICKET STATE MINUTES:X} tags displays durations in minutes. For example {TICKET STATE MINUTES:Status} will display how many minutes passed after Status state last changed.
Ticket lister supports some text formatting html tags but I need to find a way to combine it with printer templates. Implementing proper syntaxes for such conditional customizations is something needs some more technical work.