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wrap_comments=true can add a space to already properly formatted comments #6569
Description
// rustfmt-wrap_comments: true
/// ```xxx```
///
/// xxx
pub struct X;$ rustfmt --check --config=wrap_comments=true <tests/source/issue-xxx.rs
Diff in <stdin>:1:
// rustfmt-wrap_comments: true
/// ```xxx```
-///
+///
/// xxx
pub struct X;
error[internal]: left behind trailing whitespace
--> <stdin>:4:4:4
|
4 | ///
| ^
|
= note: set `error_on_unformatted = false` to suppress the warning against comments or string literals
warning: rustfmt has failed to format. See previous 1 errors.
Activity
ytmimi commentedon Jun 2, 2025
I think this might be related to #5421 or even a duplicate of that issue. My guess is that
```xxx```is incorrectly getting interpreted as the start of a markdown code block.