usage: gftools-what-subsets [-h] [--min_pct MIN_PCT] [--min_pct_ext MIN_PCT_EXT] FONT [FONT ...]

Tool to print subsets supported by a given font file.

positional arguments:
  FONT

options:
  -h, --help            show this help message and exit
  --min_pct MIN_PCT     What percentage of subset codepoints have to be supported for a non-ext
                        subset.
  --min_pct_ext MIN_PCT_EXT
                        What percentage of subset codepoints have to be supported for an -ext
                        subset.