Handle \r\n line endings in encoding detection

youknowone · youknowone · commit 87b5930010e8 · 2026-03-03T10:26:16.000+09:00
Include \r in whitespace for raw byte processing,
fixing encoding cookie detection on Windows where
files have \r\n line endings.
diff --git a/crates/vm/src/stdlib/builtins.rs b/crates/vm/src/stdlib/builtins.rs
@@ -121,7 +121,7 @@ mod builtins {
             let hash_pos = line.iter().position(|&b| b == b'#')?;
             if !line[..hash_pos]
                 .iter()
-                .all(|&b| b == b' ' || b == b'\t' || b == b'\x0c')
+                .all(|&b| b == b' ' || b == b'\t' || b == b'\x0c' || b == b'\r')
             {
                 return None;
             }
@@ -168,7 +168,7 @@ mod builtins {
             // Only check second line if first line is blank or a comment
             let trimmed = first
                 .iter()
-                .skip_while(|&&b| b == b' ' || b == b'\t' || b == b'\x0c')
+                .skip_while(|&&b| b == b' ' || b == b'\t' || b == b'\x0c' || b == b'\r')
                 .copied()
                 .collect::<Vec<_>>();
             if !trimmed.is_empty() && trimmed[0] != b'#' {
