Update books

[rustbot]

rust-lang/reference

9 commits in 581920f9109f141b88b860b3e1e8359e3896a150..ad35aca481751a06afeb23820a672b0f3b11a476
2026-05-14 17:00:42 UTC to 2026-05-04 18:27:13 UTC

• ci: declare contents:read on CI workflow (ci: declare contents:read on CI workflow reference#2271)
• Fix the grammar of generic arguments (Fix the grammar of generic arguments reference#2247)
• Rename grammar rule TypeParamBounds to just Bounds (Rename grammar rule TypeParamBounds to just Bounds reference#2258)
• Update used to use the attribute template (Update used to use the attribute template reference#1905)
• Place HRTB binders before fn qualifiers (Place HRTB binders before fn qualifiers reference#2260)
• Glossary: add new entry documenting zero-sized types (Glossary: add new entry documenting zero-sized types reference#2203)
• Fix test failure on macOS with link_section (Fix test failure on macOS with link_section reference#2246)
• Make definition of fragment specifier path more precise (Make definition of fragment specifier path more precise reference#2248)
• gitignore linkcheck (gitignore linkcheck reference#2252)

[rustbot]

r? @ehuss

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[rustbot]

⚠️ Warning ⚠️

• Some commits in this PR modify submodules.

  If this was not intentional, see I changed a submodule on accident in the rustc dev guide.

[ehuss]

@bors r+ rollup

[rust-bors]

📌 Commit 8623be7 has been approved by ehuss

It is now in the queue for this repository.