diff --git a/crates/editor/src/editor.rs b/crates/editor/src/editor.rs
index e14991614a..56948bfd6e 100644
--- a/crates/editor/src/editor.rs
+++ b/crates/editor/src/editor.rs
@@ -22,8 +22,7 @@ use gpui::{
 use items::BufferItemHandle;
 use language::{
     multi_buffer::{
-        Anchor, AnchorRangeExt, AnchorRangeSet, MultiBuffer, MultiBufferSnapshot, SelectionSet,
-        ToOffset, ToPoint,
+        Anchor, AnchorRangeExt, MultiBuffer, MultiBufferSnapshot, SelectionSet, ToOffset, ToPoint,
     },
     BracketPair, Buffer, Diagnostic, DiagnosticSeverity, Language, Point, Selection, SelectionGoal,
     SelectionSetId,
@@ -1292,19 +1291,19 @@ impl Editor {
     }
 
     fn autoclose_pairs(&mut self, cx: &mut ViewContext<Self>) {
-        let selections = self.selections::<usize>(cx).collect::<Vec<_>>();
+        let selections = self.selections::<usize>(cx);
         let new_autoclose_pair = self.buffer.update(cx, |buffer, cx| {
             let autoclose_pair = buffer.language().and_then(|language| {
                 let first_selection_start = selections.first().unwrap().start;
                 let pair = language.brackets().iter().find(|pair| {
-                    buffer_snapshot.contains_str_at(
+                    buffer.contains_str_at(
                         first_selection_start.saturating_sub(pair.start.len()),
                         &pair.start,
                     )
                 });
                 pair.and_then(|pair| {
                     let should_autoclose = selections[1..].iter().all(|selection| {
-                        buffer_snapshot.contains_str_at(
+                        buffer.contains_str_at(
                             selection.start.saturating_sub(pair.start.len()),
                             &pair.start,
                         )
@@ -1322,7 +1321,7 @@ impl Editor {
                 let selection_ranges = selections
                     .iter()
                     .map(|selection| {
-                        let start = selection.start.to_offset(&buffer_snapshot);
+                        let start = selection.start.to_offset(buffer);
                         start..start
                     })
                     .collect::<SmallVec<[_; 32]>>();
diff --git a/crates/language/src/multi_buffer.rs b/crates/language/src/multi_buffer.rs
index 081f4ff8e1..8f8274a744 100644
--- a/crates/language/src/multi_buffer.rs
+++ b/crates/language/src/multi_buffer.rs
@@ -3,7 +3,7 @@ mod selection;
 
 use crate::{
     buffer::{self, Buffer, Chunk, ToOffset as _, ToPoint as _},
-    BufferSnapshot, Diagnostic, File, Language,
+    BufferSnapshot, Diagnostic, DiagnosticEntry, File, Language,
 };
 pub use anchor::{Anchor, AnchorRangeExt};
 use anyhow::Result;
@@ -383,6 +383,13 @@ impl MultiBuffer {
         [].into_iter()
     }
 
+    pub fn contains_str_at<T>(&self, _: T, _: &str) -> bool
+    where
+        T: ToOffset,
+    {
+        todo!()
+    }
+
     pub fn max_point(&self) -> Point {
         self.snapshot.lock().max_point()
     }
@@ -438,7 +445,7 @@ impl MultiBuffer {
     pub fn diagnostics_in_range<'a, T, O>(
         &'a self,
         search_range: Range<T>,
-    ) -> impl Iterator<Item = (Range<O>, &Diagnostic)> + 'a
+    ) -> impl Iterator<Item = DiagnosticEntry<O>> + 'a
     where
         T: 'a + ToOffset,
         O: 'a,