diff --git a/crates/language/src/language.rs b/crates/language/src/language.rs
index 928e20862746c4935db279c81d31eb389964be58..766e181671e37722a1d6f851ab62b6fc38f45490 100644
--- a/crates/language/src/language.rs
+++ b/crates/language/src/language.rs
@@ -830,15 +830,24 @@ impl Language {
         let mut values = HashMap::default();
         for (ix, name) in query.capture_names().iter().enumerate() {
             if let Some(override_name) = name.strip_prefix("override.") {
-                let value = self
-                    .config
-                    .overrides
-                    .remove(override_name)
-                    .ok_or_else(|| anyhow!("no such override {override_name}"))?;
+                let value = self.config.overrides.remove(override_name).ok_or_else(|| {
+                    anyhow!(
+                        "language {:?} has override in query but not in config: {override_name:?}",
+                        self.config.name
+                    )
+                })?;
                 values.insert(ix as u32, value);
             }
         }
 
+        if !self.config.overrides.is_empty() {
+            let keys = self.config.overrides.keys().collect::<Vec<_>>();
+            Err(anyhow!(
+                "language {:?} has overrides in config not in query: {keys:?}",
+                self.config.name
+            ))?;
+        }
+
         self.grammar_mut().override_config = Some(OverrideConfig { query, values });
         Ok(self)
     }
diff --git a/crates/zed/src/languages.rs b/crates/zed/src/languages.rs
index d7fa67b1d451c13fc103cb5210650fd8efae9d4c..240d1dc49e5ac6603b1c0760a2e11f748274b276 100644
--- a/crates/zed/src/languages.rs
+++ b/crates/zed/src/languages.rs
@@ -1,3 +1,4 @@
+use anyhow::Context;
 use gpui::executor::Background;
 pub use language::*;
 use lazy_static::lazy_static;
@@ -145,7 +146,9 @@ pub(crate) fn language(
             .unwrap()
             .data,
     )
+    .with_context(|| format!("failed to load config.toml for language {name:?}"))
     .unwrap();
+
     let mut language = Language::new(config, Some(grammar));
 
     if let Some(query) = load_query(name, "/highlights") {
diff --git a/crates/zed/src/languages/c/config.toml b/crates/zed/src/languages/c/config.toml
index 5b4841561043ad5c3aa6ed42d786ef50419e067b..1a5fe9339ad9fa3a0c9da1198ae5bebfd8600819 100644
--- a/crates/zed/src/languages/c/config.toml
+++ b/crates/zed/src/languages/c/config.toml
@@ -7,5 +7,20 @@ brackets = [
     { start = "[", end = "]", close = true, newline = true },
     { start = "(", end = ")", close = true, newline = true },
     { start = "\"", end = "\"", close = true, newline = false },
+    { start = "'", end = "'", close = true, newline = false },
     { start = "/*", end = " */", close = true, newline = false },
 ]
+
+[overrides.comment]
+brackets = [
+    { start = "{", end = "}", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
+    { start = "(", end = ")", close = true, newline = true },
+]
+
+[overrides.string]
+brackets = [
+    { start = "{", end = "}", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
+    { start = "(", end = ")", close = true, newline = true },
+]
diff --git a/crates/zed/src/languages/c/overrides.scm b/crates/zed/src/languages/c/overrides.scm
new file mode 100644
index 0000000000000000000000000000000000000000..0d14e6c205e3f4c624d8bfa3352d852cdcfb9193
--- /dev/null
+++ b/crates/zed/src/languages/c/overrides.scm
@@ -0,0 +1,2 @@
+(comment) @override.comment
+(string_literal) @override.string
diff --git a/crates/zed/src/languages/cpp/config.toml b/crates/zed/src/languages/cpp/config.toml
index e9a793ec3c97b7ac7ee941e5e57cb3886ccec202..c83adfb067f2d2da8819b32b144c90f1c40992b4 100644
--- a/crates/zed/src/languages/cpp/config.toml
+++ b/crates/zed/src/languages/cpp/config.toml
@@ -7,5 +7,20 @@ brackets = [
     { start = "[", end = "]", close = true, newline = true },
     { start = "(", end = ")", close = true, newline = true },
     { start = "\"", end = "\"", close = true, newline = false },
+    { start = "'", end = "'", close = true, newline = false },
     { start = "/*", end = " */", close = true, newline = false },
 ]
+
+[overrides.comment]
+brackets = [
+    { start = "{", end = "}", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
+    { start = "(", end = ")", close = true, newline = true },
+]
+
+[overrides.string]
+brackets = [
+    { start = "{", end = "}", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
+    { start = "(", end = ")", close = true, newline = true },
+]
diff --git a/crates/zed/src/languages/cpp/overrides.scm b/crates/zed/src/languages/cpp/overrides.scm
new file mode 100644
index 0000000000000000000000000000000000000000..0d14e6c205e3f4c624d8bfa3352d852cdcfb9193
--- /dev/null
+++ b/crates/zed/src/languages/cpp/overrides.scm
@@ -0,0 +1,2 @@
+(comment) @override.comment
+(string_literal) @override.string
diff --git a/crates/zed/src/languages/css/config.toml b/crates/zed/src/languages/css/config.toml
index 28def3abd53d8bbd7fdcb7465cc402d4b38871bf..cf8d4f1e2f88682139fb6a4bf28623ca4826e338 100644
--- a/crates/zed/src/languages/css/config.toml
+++ b/crates/zed/src/languages/css/config.toml
@@ -5,5 +5,20 @@ brackets = [
     { start = "{", end = "}", close = true, newline = true },
     { start = "[", end = "]", close = true, newline = true },
     { start = "(", end = ")", close = true, newline = true },
-    { start = "\"", end = "\"", close = true, newline = false }
+    { start = "\"", end = "\"", close = true, newline = false },
+    { start = "'", end = "'", close = true, newline = false },
+]
+
+[overrides.comment]
+brackets = [
+    { start = "{", end = "}", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
+    { start = "(", end = ")", close = true, newline = true },
+]
+
+[overrides.string]
+brackets = [
+    { start = "{", end = "}", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
+    { start = "(", end = ")", close = true, newline = true },
 ]
diff --git a/crates/zed/src/languages/css/overrides.scm b/crates/zed/src/languages/css/overrides.scm
new file mode 100644
index 0000000000000000000000000000000000000000..9617249d3c4b1f99750b752f51493dbacc740267
--- /dev/null
+++ b/crates/zed/src/languages/css/overrides.scm
@@ -0,0 +1,2 @@
+(comment) @override.comment
+(string_value) @override.string
diff --git a/crates/zed/src/languages/elixir/config.toml b/crates/zed/src/languages/elixir/config.toml
index 4e1af93943d2e63763181b83590a4ff72f809c23..0185d8eec35a2173eb802f0e0618e43b23fd19dd 100644
--- a/crates/zed/src/languages/elixir/config.toml
+++ b/crates/zed/src/languages/elixir/config.toml
@@ -6,5 +6,20 @@ brackets = [
     { start = "{", end = "}", close = true, newline = true },
     { start = "[", end = "]", close = true, newline = true },
     { start = "(", end = ")", close = true, newline = true },
-    { start = "\"", end = "\"", close = true, newline = false }
+    { start = "\"", end = "\"", close = true, newline = false },
+    { start = "'", end = "'", close = true, newline = false },
+]
+
+[overrides.comment]
+brackets = [
+    { start = "{", end = "}", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
+    { start = "(", end = ")", close = true, newline = true },
+]
+
+[overrides.string]
+brackets = [
+    { start = "{", end = "}", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
+    { start = "(", end = ")", close = true, newline = true },
 ]
diff --git a/crates/zed/src/languages/elixir/overrides.scm b/crates/zed/src/languages/elixir/overrides.scm
new file mode 100644
index 0000000000000000000000000000000000000000..ed1b20d44b262c5ce9dca529fc6f49425441d0e4
--- /dev/null
+++ b/crates/zed/src/languages/elixir/overrides.scm
@@ -0,0 +1,2 @@
+(comment) @override.comment
+[(string) (charlist)] @override.string
diff --git a/crates/zed/src/languages/erb/config.toml b/crates/zed/src/languages/erb/config.toml
index 280219a1191c1638190a6d52e1d7e717daa665fd..9cfcef0c8ba8ff4b3a5aedd574f01f6050c5798a 100644
--- a/crates/zed/src/languages/erb/config.toml
+++ b/crates/zed/src/languages/erb/config.toml
@@ -4,5 +4,4 @@ autoclose_before = ">})"
 brackets = [
     { start = "<", end = ">", close = true, newline = true },
 ]
-
-block_comment = ["<%#", "%>"]
\ No newline at end of file
+block_comment = ["<%#", "%>"]
diff --git a/crates/zed/src/languages/go/config.toml b/crates/zed/src/languages/go/config.toml
index fc6167e311b10b000bcba0ff8645e40bdfa14c8d..3f9464594cd76528ff6bf0e80b75ad6d3a08d4cf 100644
--- a/crates/zed/src/languages/go/config.toml
+++ b/crates/zed/src/languages/go/config.toml
@@ -7,5 +7,20 @@ brackets = [
     { start = "[", end = "]", close = true, newline = true },
     { start = "(", end = ")", close = true, newline = true },
     { start = "\"", end = "\"", close = true, newline = false },
+    { start = "'", end = "'", close = true, newline = false },
     { start = "/*", end = " */", close = true, newline = false },
 ]
+
+[overrides.comment]
+brackets = [
+    { start = "{", end = "}", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
+    { start = "(", end = ")", close = true, newline = true },
+]
+
+[overrides.string]
+brackets = [
+    { start = "{", end = "}", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
+    { start = "(", end = ")", close = true, newline = true },
+]
diff --git a/crates/zed/src/languages/go/overrides.scm b/crates/zed/src/languages/go/overrides.scm
new file mode 100644
index 0000000000000000000000000000000000000000..fc32c47f681d48d2adfb4f94b918305136507d50
--- /dev/null
+++ b/crates/zed/src/languages/go/overrides.scm
@@ -0,0 +1,6 @@
+(comment) @override.comment
+[
+  (interpreted_string_literal)
+  (raw_string_literal)
+  (rune_literal)
+] @override.string
diff --git a/crates/zed/src/languages/html/config.toml b/crates/zed/src/languages/html/config.toml
index 3e618da25e06f5f37c3106db12bd1d6abf2b1a4c..f4f0ba26eac95488c79c6db91afb5700ebe6a4dd 100644
--- a/crates/zed/src/languages/html/config.toml
+++ b/crates/zed/src/languages/html/config.toml
@@ -9,4 +9,18 @@ brackets = [
     { start = "!--", end = " --", close = true, newline = false },
 ]
 
-block_comment = ["<!-- ", " -->"]
\ No newline at end of file
+block_comment = ["<!-- ", " -->"]
+
+[overrides.comment]
+brackets = [
+    { start = "{", end = "}", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
+    { start = "(", end = ")", close = true, newline = true },
+]
+
+[overrides.string]
+brackets = [
+    { start = "{", end = "}", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
+    { start = "(", end = ")", close = true, newline = true },
+]
diff --git a/crates/zed/src/languages/html/overrides.scm b/crates/zed/src/languages/html/overrides.scm
new file mode 100644
index 0000000000000000000000000000000000000000..8f6a1f9eeae3dca51d2dc4473eae93215fd54472
--- /dev/null
+++ b/crates/zed/src/languages/html/overrides.scm
@@ -0,0 +1,2 @@
+(comment) @override.comment
+(quoted_attribute_value) @override.string
\ No newline at end of file
diff --git a/crates/zed/src/languages/javascript/config.toml b/crates/zed/src/languages/javascript/config.toml
index d7612d13f08ec2eac41d30bef1da7cc41eccbd20..a5a656393dcb6aa338a8431eb63d8dc5ca4898d5 100644
--- a/crates/zed/src/languages/javascript/config.toml
+++ b/crates/zed/src/languages/javascript/config.toml
@@ -12,3 +12,21 @@ brackets = [
     { start = "`", end = "`", close = true, newline = false },
     { start = "/*", end = " */", close = true, newline = false },
 ]
+
+[overrides.comment]
+brackets = [
+    { start = "{", end = "}", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
+    { start = "(", end = ")", close = true, newline = true },
+]
+
+[overrides.string]
+brackets = [
+    { start = "{", end = "}", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
+    { start = "(", end = ")", close = true, newline = true },
+]
+
+[overrides.element]
+line_comment = { remove = true }
+block_comment = ["{/* ", " */}"]
diff --git a/crates/zed/src/languages/javascript/overrides.scm b/crates/zed/src/languages/javascript/overrides.scm
new file mode 100644
index 0000000000000000000000000000000000000000..f19c1d9203a697d2a34101f031e74afb8101b3be
--- /dev/null
+++ b/crates/zed/src/languages/javascript/overrides.scm
@@ -0,0 +1,9 @@
+(comment) @override.comment
+(string) @override.string
+
+[
+  (jsx_element)
+  (jsx_fragment)
+  (jsx_self_closing_element)
+  (jsx_expression)
+] @override.element
diff --git a/crates/zed/src/languages/json/config.toml b/crates/zed/src/languages/json/config.toml
index cb36279358a50dd138b0e9d0632b559895c19cd3..48a1fb0c993f0481d0862eb4a1820c922adcb12d 100644
--- a/crates/zed/src/languages/json/config.toml
+++ b/crates/zed/src/languages/json/config.toml
@@ -7,3 +7,9 @@ brackets = [
     { start = "[", end = "]", close = true, newline = true },
     { start = "\"", end = "\"", close = true, newline = false },
 ]
+
+[overrides.string]
+brackets = [
+    { start = "{", end = "}", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
+]
diff --git a/crates/zed/src/languages/json/overrides.scm b/crates/zed/src/languages/json/overrides.scm
new file mode 100644
index 0000000000000000000000000000000000000000..83911ae4a514eed107152d3b8ad52c1a56f85d53
--- /dev/null
+++ b/crates/zed/src/languages/json/overrides.scm
@@ -0,0 +1,2 @@
+(comment) @comment
+(string) @override.string
\ No newline at end of file
diff --git a/crates/zed/src/languages/python/config.toml b/crates/zed/src/languages/python/config.toml
index c6b41ed700a5ef089499088e7b217924c1952e3c..a817de8e3ba87b2619d4935dbe536060d3522137 100644
--- a/crates/zed/src/languages/python/config.toml
+++ b/crates/zed/src/languages/python/config.toml
@@ -12,4 +12,18 @@ brackets = [
 
 auto_indent_using_last_non_empty_line = false
 increase_indent_pattern = ":$"
-decrease_indent_pattern = "^\\s*(else|elif|except|finally)\\b.*:"
\ No newline at end of file
+decrease_indent_pattern = "^\\s*(else|elif|except|finally)\\b.*:"
+
+[overrides.comment]
+brackets = [
+    { start = "{", end = "}", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
+    { start = "(", end = ")", close = true, newline = true },
+]
+
+[overrides.string]
+brackets = [
+    { start = "{", end = "}", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
+    { start = "(", end = ")", close = true, newline = true },
+]
diff --git a/crates/zed/src/languages/python/overrides.scm b/crates/zed/src/languages/python/overrides.scm
new file mode 100644
index 0000000000000000000000000000000000000000..3a7ad5f035efa113afe29444f8c75e40585aafcd
--- /dev/null
+++ b/crates/zed/src/languages/python/overrides.scm
@@ -0,0 +1,2 @@
+(comment) @override.comment
+(string) @override.string
diff --git a/crates/zed/src/languages/ruby/config.toml b/crates/zed/src/languages/ruby/config.toml
index 5600266de3a2a43fc0740cc6c1249bcf7d00149b..4fd21d8bd0a2598f30a006e5ccd232ec089475af 100644
--- a/crates/zed/src/languages/ruby/config.toml
+++ b/crates/zed/src/languages/ruby/config.toml
@@ -7,5 +7,19 @@ brackets = [
   { start = "[", end = "]", close = true, newline = true },
   { start = "(", end = ")", close = true, newline = true },
   { start = "\"", end = "\"", close = true, newline = false },
-  { start = "'", end = "'", close = false, newline = false },
-]
\ No newline at end of file
+  { start = "'", end = "'", close = true, newline = false },
+]
+
+[overrides.comment]
+brackets = [
+    { start = "{", end = "}", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
+    { start = "(", end = ")", close = true, newline = true },
+]
+
+[overrides.string]
+brackets = [
+    { start = "{", end = "}", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
+    { start = "(", end = ")", close = true, newline = true },
+]
diff --git a/crates/zed/src/languages/ruby/overrides.scm b/crates/zed/src/languages/ruby/overrides.scm
new file mode 100644
index 0000000000000000000000000000000000000000..3a7ad5f035efa113afe29444f8c75e40585aafcd
--- /dev/null
+++ b/crates/zed/src/languages/ruby/overrides.scm
@@ -0,0 +1,2 @@
+(comment) @override.comment
+(string) @override.string
diff --git a/crates/zed/src/languages/rust/config.toml b/crates/zed/src/languages/rust/config.toml
index 971ed27ebc3147ecee9ac6884712a3937ff1b7ba..f9f6b597173e49243c8552ab6a3cd64f7a7d1957 100644
--- a/crates/zed/src/languages/rust/config.toml
+++ b/crates/zed/src/languages/rust/config.toml
@@ -11,3 +11,19 @@ brackets = [
     { start = "'", end = "'", close = false, newline = false },
     { start = "/*", end = " */", close = true, newline = false },
 ]
+
+[overrides.comment]
+brackets = [
+    { start = "{", end = "}", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
+    { start = "(", end = ")", close = true, newline = true },
+    { start = "<", end = ">", close = false, newline = true },
+]
+
+[overrides.string]
+brackets = [
+    { start = "{", end = "}", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
+    { start = "(", end = ")", close = true, newline = true },
+    { start = "<", end = ">", close = false, newline = true },
+]
diff --git a/crates/zed/src/languages/rust/overrides.scm b/crates/zed/src/languages/rust/overrides.scm
new file mode 100644
index 0000000000000000000000000000000000000000..29128d98e7f970f7f25622835ca14afd5da5c814
--- /dev/null
+++ b/crates/zed/src/languages/rust/overrides.scm
@@ -0,0 +1,8 @@
+[
+  (string_literal)
+  (raw_string_literal)
+] @override.string
+[
+  (line_comment)
+  (block_comment)
+] @override.comment
diff --git a/crates/zed/src/languages/scheme/config.toml b/crates/zed/src/languages/scheme/config.toml
index 7e63673834f201b63f77140d5449f08af2efa30c..46e11bdc1158cd89237c0c10ef35de3a6b8ceb14 100644
--- a/crates/zed/src/languages/scheme/config.toml
+++ b/crates/zed/src/languages/scheme/config.toml
@@ -7,3 +7,15 @@ brackets = [
     { start = "(", end = ")", close = true, newline = false },
     { start = "\"", end = "\"", close = true, newline = false },
 ]
+
+[overrides.comment]
+brackets = [
+    { start = "{", end = "}", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
+]
+
+[overrides.string]
+brackets = [
+    { start = "{", end = "}", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
+]
diff --git a/crates/zed/src/languages/scheme/overrides.scm b/crates/zed/src/languages/scheme/overrides.scm
new file mode 100644
index 0000000000000000000000000000000000000000..28a8a569dfd86c1f96f540777e0c3f074d2045c7
--- /dev/null
+++ b/crates/zed/src/languages/scheme/overrides.scm
@@ -0,0 +1,6 @@
+[
+    (comment)
+    (block_comment)
+    (directive)
+] @override.comment
+(string) @override.string
diff --git a/crates/zed/src/languages/toml/config.toml b/crates/zed/src/languages/toml/config.toml
index cd624aecef07aadf8c9354749479676ae3768fe4..30797bf141bf0a77a0dfcab431445104ee067095 100644
--- a/crates/zed/src/languages/toml/config.toml
+++ b/crates/zed/src/languages/toml/config.toml
@@ -6,4 +6,17 @@ brackets = [
     { start = "{", end = "}", close = true, newline = true },
     { start = "[", end = "]", close = true, newline = true },
     { start = "\"", end = "\"", close = true, newline = false },
+    { start = "'", end = "'", close = true, newline = false },
+]
+
+[overrides.comment]
+brackets = [
+    { start = "{", end = "}", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
+]
+
+[overrides.string]
+brackets = [
+    { start = "{", end = "}", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
 ]
diff --git a/crates/zed/src/languages/toml/overrides.scm b/crates/zed/src/languages/toml/overrides.scm
new file mode 100644
index 0000000000000000000000000000000000000000..3a7ad5f035efa113afe29444f8c75e40585aafcd
--- /dev/null
+++ b/crates/zed/src/languages/toml/overrides.scm
@@ -0,0 +1,2 @@
+(comment) @override.comment
+(string) @override.string
diff --git a/crates/zed/src/languages/typescript/config.toml b/crates/zed/src/languages/typescript/config.toml
index 8e5886167c763c1bb86a5ee0e6e8d88d08ad0d7b..3c2146e0015254ac69cecae7acc07422bf1bce28 100644
--- a/crates/zed/src/languages/typescript/config.toml
+++ b/crates/zed/src/languages/typescript/config.toml
@@ -12,3 +12,17 @@ brackets = [
     { start = "`", end = "`", close = true, newline = false },
     { start = "/*", end = " */", close = true, newline = false },
 ]
+
+[overrides.comment]
+brackets = [
+    { start = "{", end = "}", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
+    { start = "(", end = ")", close = true, newline = true },
+]
+
+[overrides.string]
+brackets = [
+    { start = "{", end = "}", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
+    { start = "(", end = ")", close = true, newline = true },
+]
diff --git a/crates/zed/src/languages/typescript/overrides.scm b/crates/zed/src/languages/typescript/overrides.scm
new file mode 100644
index 0000000000000000000000000000000000000000..3a7ad5f035efa113afe29444f8c75e40585aafcd
--- /dev/null
+++ b/crates/zed/src/languages/typescript/overrides.scm
@@ -0,0 +1,2 @@
+(comment) @override.comment
+(string) @override.string