fn increment_offsets_for_utf8_byte(
utf8_byte: u8,
utf16_offset: &mut Utf16CodeUnits,
utf32_offset: &mut Utf32CodeUnits,
)fn increment_offsets_for_utf8_byte(
utf8_byte: u8,
utf16_offset: &mut Utf16CodeUnits,
utf32_offset: &mut Utf32CodeUnits,
)