diff --git a/Cargo.lock b/Cargo.lock
index 08044cab2..9424ada24 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1986,7 +1986,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6a793df0d7afeac54f95b471d3af7f0d4fb975699f972341a4b76988d49cdf0c"
 dependencies = [
  "cfg-if",
- "windows-targets 0.53.2",
+ "windows-targets 0.52.6",
 ]
 
 [[package]]
@@ -2844,9 +2844,9 @@ dependencies = [
 
 [[package]]
 name = "tree-house-bindings"
-version = "0.2.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "690809022f44e3d2329882649724b6e0027ade3fada65e4631d303e744dc32b4"
+checksum = "3f1646788fe0afdbf8e191b5d0f558df7333d8857665a67053c532ec811e6086"
 dependencies = [
  "cc",
  "libloading",
diff --git a/book/src/generated/lang-support.md b/book/src/generated/lang-support.md
index cc9e0e62d..1c620e374 100644
--- a/book/src/generated/lang-support.md
+++ b/book/src/generated/lang-support.md
@@ -208,6 +208,7 @@
 | ruby | ✓ | ✓ | ✓ | `ruby-lsp`, `solargraph` |
 | rust | ✓ | ✓ | ✓ | `rust-analyzer` |
 | rust-format-args | ✓ |  |  |  |
+| rust-format-args-macro | ✓ | ✓ | ✓ |  |
 | sage | ✓ | ✓ |  |  |
 | scala | ✓ | ✓ | ✓ | `metals` |
 | scheme | ✓ |  | ✓ |  |
diff --git a/helix-term/src/ui/markdown.rs b/helix-term/src/ui/markdown.rs
index ae58d75e8..6bef59d14 100644
--- a/helix-term/src/ui/markdown.rs
+++ b/helix-term/src/ui/markdown.rs
@@ -90,7 +90,13 @@ pub fn highlighted_code_block<'a>(
         if pos == start {
             continue;
         }
-        assert!(pos > start);
+        // The highlighter should always move forward.
+        // If the highlighter malfunctions, bail on syntax highlighting and log an error.
+        debug_assert!(pos > start);
+        if pos < start {
+            log::error!("Failed to highlight '{language}': {text:?}");
+            return styled_multiline_text(text, code_style);
+        }
 
         let style = syntax_highlight_stack
             .iter()
diff --git a/helix-view/src/theme.rs b/helix-view/src/theme.rs
index 61d490ff3..77fa78331 100644
--- a/helix-view/src/theme.rs
+++ b/helix-view/src/theme.rs
@@ -300,7 +300,7 @@ impl Theme {
     /// Interpret a Highlight with the RGB foreground
     fn decode_rgb_highlight(highlight: Highlight) -> Option<(u8, u8, u8)> {
         (highlight.get() > Self::RGB_START).then(|| {
-            let [b, g, r, ..] = (highlight.get() + 1).to_ne_bytes();
+            let [b, g, r, ..] = (highlight.get() + 1).to_le_bytes();
             (r, g, b)
         })
     }
@@ -309,7 +309,7 @@ impl Theme {
     pub fn rgb_highlight(r: u8, g: u8, b: u8) -> Highlight {
         // -1 because highlight is "non-max": u32::MAX is reserved for the null pointer
         // optimization.
-        Highlight::new(u32::from_ne_bytes([b, g, r, u8::MAX]) - 1)
+        Highlight::new(u32::from_le_bytes([b, g, r, u8::MAX]) - 1)
     }
 
     #[inline]
diff --git a/languages.toml b/languages.toml
index 5c37a0b7f..670904fed 100644
--- a/languages.toml
+++ b/languages.toml
@@ -4445,6 +4445,12 @@ injection-regex = "rust-format-args"
 name = "rust-format-args"
 source = { git = "https://github.com/nik-rev/tree-sitter-rust-format-args", rev = "84ffe550e261cf5ea40a0ec31849ba2443bae99f" }
 
+[[language]]
+name = "rust-format-args-macro"
+scope = "source.rust-format-args-macro"
+file-types = []
+grammar = "rust"
+
 [[language]]
 name = "clarity"
 scope = "source.clar"
diff --git a/runtime/queries/rust-format-args-macro/highlights.scm b/runtime/queries/rust-format-args-macro/highlights.scm
new file mode 100644
index 000000000..ae55c7faf
--- /dev/null
+++ b/runtime/queries/rust-format-args-macro/highlights.scm
@@ -0,0 +1 @@
+; inherits: rust
diff --git a/runtime/queries/rust-format-args-macro/indents.scm b/runtime/queries/rust-format-args-macro/indents.scm
new file mode 100644
index 000000000..ae55c7faf
--- /dev/null
+++ b/runtime/queries/rust-format-args-macro/indents.scm
@@ -0,0 +1 @@
+; inherits: rust
diff --git a/runtime/queries/rust-format-args-macro/injections.scm b/runtime/queries/rust-format-args-macro/injections.scm
new file mode 100644
index 000000000..47db13450
--- /dev/null
+++ b/runtime/queries/rust-format-args-macro/injections.scm
@@ -0,0 +1,13 @@
+; inherits: rust
+
+; HACK: This language is the same as Rust but all strings are injected
+; with rust-format-args. Rust injects this into known macros which use
+; the format args syntax. This can cause false-positive highlights but
+; those are expected to be rare.
+
+([
+   (string_literal (string_content) @injection.content)
+   (raw_string_literal (string_content) @injection.content)
+ ]
+ (#set! injection.language "rust-format-args")
+ (#set! injection.include-children))
diff --git a/runtime/queries/rust-format-args-macro/locals.scm b/runtime/queries/rust-format-args-macro/locals.scm
new file mode 100644
index 000000000..ae55c7faf
--- /dev/null
+++ b/runtime/queries/rust-format-args-macro/locals.scm
@@ -0,0 +1 @@
+; inherits: rust
diff --git a/runtime/queries/rust-format-args-macro/textobjects.scm b/runtime/queries/rust-format-args-macro/textobjects.scm
new file mode 100644
index 000000000..ae55c7faf
--- /dev/null
+++ b/runtime/queries/rust-format-args-macro/textobjects.scm
@@ -0,0 +1 @@
+; inherits: rust
diff --git a/runtime/queries/rust/injections.scm b/runtime/queries/rust/injections.scm
index ba58bf36d..af1970a93 100644
--- a/runtime/queries/rust/injections.scm
+++ b/runtime/queries/rust/injections.scm
@@ -103,8 +103,6 @@
 ; the `format_args!` syntax.
 ;
 ; This language is injected into a hard-coded set of macros.
-
-; 1st argument is `format_args!`
 (
   (macro_invocation
     macro:
@@ -113,13 +111,11 @@
           name: (_) @_macro_name)
         (identifier) @_macro_name
       ]
-    (token_tree . [
-        (string_literal (string_content) @injection.content)
-        (raw_string_literal (string_content) @injection.content)
-      ]
-    )
+    (token_tree) @injection.content
   )
   (#any-of? @_macro_name
+    ; 1st argument is `format_args!`
+
     ; std
     "print" "println" "eprint" "eprintln"
     "format" "format_args" "todo" "panic"
@@ -140,63 +136,22 @@
     "eyre"
     ; miette
     "miette"
-  )
-  (#set! injection.language "rust-format-args")
-  (#set! injection.include-children)
-)
 
-; 2nd argument is `format_args!`
-(
-  (macro_invocation
-    macro:
-      [
-        (scoped_identifier
-          name: (_) @_macro_name)
-        (identifier) @_macro_name
-      ]
-    (token_tree
-      . (_)
-      . [
-        (string_literal (string_content) @injection.content)
-        (raw_string_literal (string_content) @injection.content)
-      ]
-    )
-  )
-  (#any-of? @_macro_name
+    ; 2nd argument is `format_args!`
+
     ; std
     "write" "writeln" "assert" "debug_assert"
     ; defmt
     "expect" "unwrap"
     ; ratatui
     "span"
-  )
-  (#set! injection.language "rust-format-args")
-  (#set! injection.include-children)
-)
 
-; 3rd argument is `format_args!`
-(
-  (macro_invocation
-    macro:
-      [
-        (scoped_identifier
-          name: (_) @_macro_name)
-        (identifier) @_macro_name
-      ]
-    (token_tree
-      . (_)
-      . (_)
-      . [
-        (string_literal (string_content) @injection.content)
-        (raw_string_literal (string_content) @injection.content)
-      ]
-    )
-  )
-  (#any-of? @_macro_name
+    ; 3rd argument is `format_args!`
+
     ; std
     "assert_eq" "debug_assert_eq" "assert_ne" "debug_assert_ne"
   )
-  (#set! injection.language "rust-format-args")
+  (#set! injection.language "rust-format-args-macro")
   (#set! injection.include-children)
 )