diff options
Diffstat (limited to 'components/style/rule_tree/mod.rs')
| -rw-r--r-- | components/style/rule_tree/mod.rs | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/components/style/rule_tree/mod.rs b/components/style/rule_tree/mod.rs index 9c710f07c5f..0ff2dbf28dc 100644 --- a/components/style/rule_tree/mod.rs +++ b/components/style/rule_tree/mod.rs @@ -472,22 +472,28 @@ impl RuleTree { /// where it likely did not result from a rigorous performance analysis.) const RULE_TREE_GC_INTERVAL: usize = 300; -/// The cascade level these rules are relevant at, as per[1]. +/// The cascade level these rules are relevant at, as per[1][2][3]. +/// +/// Presentational hints for SVG and HTML are in the "author-level +/// zero-specificity" level, that is, right after user rules, and before author +/// rules. /// /// The order of variants declared here is significant, and must be in /// _ascending_ order of precedence. /// /// [1]: https://drafts.csswg.org/css-cascade/#cascade-origin +/// [2]: https://drafts.csswg.org/css-cascade/#preshint +/// [3]: https://html.spec.whatwg.org/multipage/#presentational-hints #[repr(u8)] #[derive(Clone, Copy, Debug, Eq, PartialEq, PartialOrd)] #[cfg_attr(feature = "servo", derive(MallocSizeOf))] pub enum CascadeLevel { /// Normal User-Agent rules. UANormal = 0, - /// Presentational hints. - PresHints, /// User normal rules. UserNormal, + /// Presentational hints. + PresHints, /// Author normal rules. AuthorNormal, /// Style attribute normal rules. |