The RFC only limits hyphens at the beginning of lines and not if they are indented or embedded in other content. Sticking to that approach was confirmed by the T-lang liason at https://github.com/rust-lang/rust/issues/141367#issuecomment-3202217544 There is a regression in error message quality which I'm leaving for someone if they feel this needs improving.
13 lines
138 B
Rust
13 lines
138 B
Rust
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// hyphens only need to be escaped when at the start of a line
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//@ check-pass
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#![feature(frontmatter)]
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fn main() {}
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