macro_rules! make_enumerated_getter {
($attr:ident,
$htmlname:tt,
$($choices:literal)|+,
missing => $missing:literal,
invalid => $invalid:literal
) => { ... };
($attr:ident,
$htmlname:tt,
$($choices:literal)|+,
) => { ... };
($attr:ident,
$htmlname:tt,
$($choices:literal)|+,
invalid => $invalid:literal
) => { ... };
($attr:ident,
$htmlname:tt,
$($choices:literal)|+,
missing => $missing:literal,
) => { ... };
}
Expand description
Implements the To determine the state of an attribute
steps from
https://html.spec.whatwg.org/multipage/#keywords-and-enumerated-attributes