[PS1.6 PS1.7 Format text, replace HTML tags in translate string] Replace specific elements using smarty #PS16 #PS17

file.tpl

For PS1.6
{l s='[1]Welcome[/1] [2]%s[/2]!' sprintf=[$whatever] tags=['<strong>', '<i class="name_class">']}
For PS1.7
{l s='Call us: [1]%phone%[/1]' sprintf=['[1]' => '<span>', '[/1]' => '</span>', '%phone%' => $contact_infos.phone] d='Shop.Theme.Global'}


with link:
nav.tpl

{l
        s='Call us: [1]%phone%[/1]'
        sprintf=[
          '[1]' => '<a href="tel:'|cat:$contact_infos.phone|cat:'">',
          '[/1]' => '</a>',
          '%phone%' => $contact_infos.phone
        ]
        d='Shop.Theme.Global'
      }