Results 2 comments of 0xaa55

After searching the internet, I've got a workaround by **merging font files** into a single font file. By reading [merge_fonts.py](https://github.com/googlefonts/nototools/blob/main/nototools/merge_fonts.py), I think the core code about merging font files in...

If you use `-` to indicate a pipe input, you will fail because any options has a `-` when parsing the options in `int main()`