** (process:29373): WARNING **: 12:43:22.896: Font.vala:601: glyph has already been added ** (process:29373): WARNING **: 12:43:22.896: Font.vala:601: glyph has already been added --version File does not exist.

** (process:29341): WARNING **: 12:43:22.700: Font.vala:601: glyph has already been added ** (process:29341): WARNING **: 12:43:22.700: Font.vala:601: glyph has already been added Usage:birdfont-autotrace [OPTION ...] FILE ... -c, --cutoff brightness cutoff, from 0.001 to 2, the default value is 1 -d, --details details, from 0.001 to 9.999, the default value is 1 -h, --help print this message -q, --quadratic use quadratic control points -s, --simplification simplification, from 0.001 to 1, the default value is 0.5