pub const NESTING_CLASSES: &[&str];Expand description
The classes a row inside a hierarchy carries.
edf33114. Emitted by quasi-webview since 674dc30f and styled by nothing
until 2026-08-30, which is why they are declared here now: the generated
sheet defines rules for them, so the vocabulary has to say it does or the
check that every emitted name has a rule cannot see them.