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-rw-r--r--src/librustc/hir/def.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/librustc/hir/def.rs b/src/librustc/hir/def.rs
index 19a37b693db..57a7e6c9904 100644
--- a/src/librustc/hir/def.rs
+++ b/src/librustc/hir/def.rs
@@ -132,6 +132,7 @@ pub struct Export {
     /// We include non-`pub` exports for hygienic macros that get used from extern crates.
     pub vis: ty::Visibility,
     /// True if from a `use` or and `extern crate`.
+    /// Used in rustdoc.
     pub is_import: bool,
 }