Rollup of 7 pull requests

[steveklabnik]

• Successful merges: Adding detailed error text for E0118 #28263, Small syntax and formatting changes #28276, Add a remark about the implicit implementation of Send and make a test for it  #28314, Fix typo for @bors cheetsheet #28401, Add test for #23036 #28417, Fix option link and anchor links. #28420, Add anchors links for linked code snippets. #28422
• Failed merges:

[rust-highfive]

r? @nrc

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[steveklabnik]

@bors: r+ p=1

[bors]

📌 Commit d895106 has been approved by steveklabnik

[bors]

⌛ Testing commit d895106 with merge 7d46b64...

[bors]

💔 Test failed - auto-mac-64-opt

[alexispurslane]

Can someone tell bors to retry?

[jonas-schievink]

../src/libcoretest/atomic.rs:94:28: 94:37 error: wrong number of type arguments: expected 1, found 0 [E0243]
../src/libcoretest/atomic.rs:94     ensure_sync_and_send::<AtomicPtr>();
                                                           ^~~~~~~~~

Not a spurious failure. Looks like #28314