| how declared | behaviour |
|---|---|
| \define | All wikitext and variable substitution and textual substitution takes place |
$set, $let, $vars, \procedure, \widget | All wikitext and variable substitution takes place |
| \function | Invoking a function in this way (<<macro>>) is a synonym for <$text text={{{[function[macro]]}}}/>. As with any filtered transclusion (i.e. triple curly braces), all results except the first are discarded |