{%if isempty|current-task-description == true}
Your current task: None.
{%else}
Your current task:
{%if current-task-must == true}
Must
{%else}
Want
{%/if}
{%?current-task-description}
{%if current-task-must == false}
{%else}
You can't skip a MUST!
{%/if}
{%/if}