5 files changed, 11 insertions, 8 deletions
diff --git a/src/eval/args.rs b/src/eval/args.rs
index 17bd9cb4..129da463 100644
--- a/src/eval/args.rs
+++ b/src/eval/args.rs
@@ -5,7 +5,7 @@ use ecow::{eco_format, EcoVec};
 use super::{Array, Cast, Dict, Str, Value};
 use crate::diag::{bail, At, SourceResult};
 use crate::syntax::{Span, Spanned};
-use crate::util::pretty_array;
+use crate::util::pretty_array_like;
 
 /// Evaluated arguments to a function.
 #[derive(Clone, PartialEq, Hash)]
@@ -174,7 +174,7 @@ impl Debug for Args {
     fn fmt(&self, f: &mut Formatter) -> fmt::Result {
         let pieces: Vec<_> =
             self.items.iter().map(|arg| eco_format!("{arg:?}")).collect();
-        f.write_str(&pretty_array(&pieces, false))
+        f.write_str(&pretty_array_like(&pieces, false))
     }
 }
 
diff --git a/src/eval/array.rs b/src/eval/array.rs
index 8da9b3d2..979f15d4 100644
--- a/src/eval/array.rs
+++ b/src/eval/array.rs
@@ -6,7 +6,7 @@ use ecow::{eco_format, EcoString, EcoVec};
 
 use super::{ops, Args, Func, Value, Vm};
 use crate::diag::{bail, At, SourceResult, StrResult};
-use crate::util::pretty_array;
+use crate::util::pretty_array_like;
 
 /// Create a new [`Array`] from values.
 #[macro_export]
@@ -343,7 +343,7 @@ impl Array {
 impl Debug for Array {
     fn fmt(&self, f: &mut Formatter) -> fmt::Result {
         let pieces: Vec<_> = self.iter().map(|value| eco_format!("{value:?}")).collect();
-        f.write_str(&pretty_array(&pieces, self.len() == 1))
+        f.write_str(&pretty_array_like(&pieces, self.len() == 1))
     }
 }
 
diff --git a/src/eval/cast.rs b/src/eval/cast.rs
index 806f7e92..ac23bd3a 100644
--- a/src/eval/cast.rs
+++ b/src/eval/cast.rs
@@ -8,6 +8,7 @@ use ecow::EcoString;
 use super::{Array, Str, Value};
 use crate::diag::StrResult;
 use crate::syntax::Spanned;
+use crate::util::separated_list;
 
 /// Cast from a value to a specific type.
 pub trait Cast<V = Value>: Sized {
@@ -284,7 +285,7 @@ impl CastInfo {
             msg.push_str(" nothing");
         }
 
-        crate::diag::comma_list(&mut msg, &parts, "or");
+        msg.push_str(&separated_list(&parts, "or"));
 
         if !matching_type {
             msg.push_str(", found ");
diff --git a/src/eval/dict.rs b/src/eval/dict.rs
index ececce07..4333a55e 100644
--- a/src/eval/dict.rs
+++ b/src/eval/dict.rs
@@ -8,7 +8,7 @@ use ecow::{eco_format, EcoString};
 use super::{array, Array, Str, Value};
 use crate::diag::StrResult;
 use crate::syntax::is_ident;
-use crate::util::{pretty_array, ArcExt};
+use crate::util::{pretty_array_like, separated_list, ArcExt};
 
 /// Create a new [`Dict`] from key-value pairs.
 #[macro_export]
@@ -125,7 +125,7 @@ impl Dict {
         if let Some((key, _)) = self.iter().next() {
             let parts: Vec<_> = expected.iter().map(|s| eco_format!("\"{s}\"")).collect();
             let mut msg = format!("unexpected key {key:?}, valid keys are ");
-            crate::diag::comma_list(&mut msg, &parts, "and");
+            msg.push_str(&separated_list(&parts, "and"));
             return Err(msg.into());
         }
         Ok(())
@@ -149,7 +149,7 @@ impl Debug for Dict {
             })
             .collect();
 
-        f.write_str(&pretty_array(&pieces, false))
+        f.write_str(&pretty_array_like(&pieces, false))
     }
 }
 
diff --git a/src/eval/library.rs b/src/eval/library.rs
index 75787348..c37c16fd 100644
--- a/src/eval/library.rs
+++ b/src/eval/library.rs
@@ -55,6 +55,8 @@ pub struct LangItems {
     pub emph: fn(body: Content) -> Content,
     /// Raw text with optional syntax highlighting: `` `...` ``.
     pub raw: fn(text: EcoString, tag: Option<EcoString>, block: bool) -> Content,
+    /// The language names and tags supported by raw text.
+    pub raw_languages: fn() -> Vec<(&'static str, Vec<&'static str>)>,
     /// A hyperlink: `https://typst.org`.
     pub link: fn(url: EcoString) -> Content,
     /// A reference: `@target`.