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[css-navigation-1] Allow navigation-param() without extra parentheses around it #13159

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Merged
dbaron merged 1 commit into from
Nov 26, 2025
Merged

[css-navigation-1] Allow navigation-param() without extra parentheses around it #13159

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13 changes: 5 additions & 8 deletions css-navigation-1/Overview.bs
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Original file line number Diff line number Diff line change
Expand Up @@ -456,7 +456,7 @@ by matching the relevant parts of the navigation URL to the link URL.
the match with the link's target.
*/
.movie-container:has(> .movie-title:link-to(
--movie-details with (navigation-param(id)))) {
--movie-details with navigation-param(id))) {

view-transition-name: movie-container;

Expand All @@ -479,21 +479,18 @@ and the pseudo-class matches any element where:
<pre class="prod def" dfn-type="type" nohighlight>
<dfn><<link-condition>></dfn> = <<link-condition-base>> [ with <<navigation-param-expression>> ]?
<dfn><<link-condition-base>></dfn> = <<navigation-location>>
<dfn><<navigation-param-expression>></dfn> = ( [ <<navigation-param-and>> |
<<navigation-param-or>> |
<<navigation-param>> ] )
<dfn><<navigation-param-expression>></dfn> = ( <<navigation-param-and>> ) |
( <<navigation-param-or>> ) |
<<navigation-param>>
<dfn><<navigation-param-and>></dfn> = <<navigation-param-expression>>
[ "and" <<navigation-param-expression>> ]*
<dfn><<navigation-param-or>></dfn> = <<navigation-param-expression>>
[ "or" <<navigation-param-expression>> ]*
<dfn><<navigation-param>></dfn> = <<navigation-param-key-value>> | <<navigation-param-function>>
<dfn><<navigation-param-key-value>></dfn> = <<ident>> : <<string>>
<dfn><<navigation-param-key-value>></dfn> = ( <<ident>> : <<string>> )
<dfn><<navigation-param-function>></dfn> = navigation-param( <<ident>> )
</pre>

ISSUE: This grammar should be restructured so that
it doesn't require parentheses around a lone <<navigation-param-function>>.

A <<link-condition>> matches the target of the link when both:
* the <<link-condition-base>> matches the target of the link, and
* the <<navigation-param-expression>> matches the target of the link,
Expand Down