142e25e356
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.
11 lines
231 B
Rust
11 lines
231 B
Rust
---
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//~^ ERROR: invalid preceding whitespace for frontmatter opening
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//~^^ ERROR: unclosed frontmatter
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---
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#![feature(frontmatter)]
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// check that whitespaces should not precede the frontmatter opening or close.
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fn main() {}
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