Rollup merge of #73080 - ertos-rs:sean.wilson/devel/external_doc-ref-fix, r=ollie27

doc/rustdoc: Fix incorrect external_doc feature flag
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Dylan DPC 2020-06-11 13:15:58 +02:00 committed by GitHub
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@ -416,7 +416,7 @@ without including it in your main documentation. For example, you could write th
`lib.rs` to test your README as part of your doctests:
```rust,ignore
#![feature(extern_doc)]
#![feature(external_doc)]
#[doc(include="../README.md")]
#[cfg(doctest)]