More sensible `LayoutRoot`

2 files changed, 10 insertions, 5 deletions

diff --git a/src/lib.rs b/src/lib.rs
index dbef46e7..bb3a1c02 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -49,7 +49,7 @@ use comemo::{Prehashed, Track};
 use crate::diag::{FileResult, SourceResult};
 use crate::font::{Font, FontBook};
 use crate::frame::Frame;
-use crate::model::{LangItems, Route, Scope, StyleMap};
+use crate::model::{LangItems, Route, Scope, StyleChain, StyleMap};
 use crate::syntax::{Source, SourceId};
 use crate::util::Buffer;
 
@@ -62,10 +62,12 @@ pub fn typeset(
     world: &(dyn World + 'static),
     main: SourceId,
 ) -> SourceResult<Vec<Frame>> {
-    crate::model::set_lang_items(world.config().items);
+    let config = world.config();
+    crate::model::set_lang_items(config.items);
     let route = Route::default();
     let module = model::eval(world.track(), route.track(), main)?;
-    item!(root)(world.track(), &module.content)
+    let styles = StyleChain::with_root(&config.styles);
+    item!(root)(&module.content, world.track(), styles)
 }
 
 /// The environment in which typesetting occurs.
diff --git a/src/model/items.rs b/src/model/items.rs
index 21d45b67..771756fe 100644
--- a/src/model/items.rs
+++ b/src/model/items.rs
@@ -42,8 +42,11 @@ macro_rules! item {
 #[derive(Copy, Clone)]
 pub struct LangItems {
     /// The root layout function.
-    pub root:
-        fn(world: Tracked<dyn World>, document: &Content) -> SourceResult<Vec<Frame>>,
+    pub root: fn(
+        content: &Content,
+        world: Tracked<dyn World>,
+        styles: StyleChain,
+    ) -> SourceResult<Vec<Frame>>,
     /// Access the em size.
     pub em: fn(StyleChain) -> Abs,
     /// Access the text direction.