diff --git a/rust/hg-core/src/utils/files.rs b/rust/hg-core/src/utils/files.rs
--- a/rust/hg-core/src/utils/files.rs
+++ b/rust/hg-core/src/utils/files.rs
@@ -9,6 +9,8 @@ pub fn get_path_from_bytes(bytes: &[u8])
     }
     #[cfg(windows)]
     {
+        // TODO: convert from Windows MBCS (ANSI encoding) to WTF8.
+        // Perhaps, the return type would have to be Result<PathBuf>.
         use std::os::windows::ffi::OsStrExt;
         os_str = std::ffi::OsString::from_wide(bytes);
     }