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-rw-r--r--src/rustdoc-json-types/lib.rs7
1 files changed, 5 insertions, 2 deletions
diff --git a/src/rustdoc-json-types/lib.rs b/src/rustdoc-json-types/lib.rs
index 6235b0e8576..40f89009a43 100644
--- a/src/rustdoc-json-types/lib.rs
+++ b/src/rustdoc-json-types/lib.rs
@@ -37,8 +37,8 @@ pub type FxHashMap<K, V> = HashMap<K, V>; // re-export for use in src/librustdoc
 // will instead cause conflicts. See #94591 for more. (This paragraph and the "Latest feature" line
 // are deliberately not in a doc comment, because they need not be in public docs.)
 //
-// Latest feature: Structured Attributes
-pub const FORMAT_VERSION: u32 = 54;
+// Latest feature: Add Attribute::MacroUse
+pub const FORMAT_VERSION: u32 = 55;
 
 /// The root of the emitted JSON blob.
 ///
@@ -216,6 +216,9 @@ pub enum Attribute {
     /// `#[must_use]`
     MustUse { reason: Option<String> },
 
+    /// `#[macro_export]`
+    MacroExport,
+
     /// `#[export_name = "name"]`
     ExportName(String),