Comment Preservation

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§C1 Comment Types

§C1.1 Single-line comments. Use // to start, must be preserved.

// This is a single-line comment
let x = 1;  // This is an end-of-line comment

§C1.2 Multi-line comments. Enclosed by /* ... */, supports nesting, must be preserved.

/* This is a multi-line comment */
/* Nested /* comment */ */

§C1.3 Documentation comments. Use /// to start, must be preserved.

/// This is a documentation comment
fn foo() { ... }

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§C2 Comment Placement

§C2.1 File header comments. Comments at the beginning of a file must be preserved at the start of the file.

§C2.2 Inter-statement comments. Comments between statements must be preserved in their original position.

§C2.3 End-of-line comments. End-of-line comments must be preserved at the end of the same line.

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§C3 Empty Line Preservation

§C3.1 Empty line preservation. Empty lines in the original code should be preserved to separate logical blocks.