Convert MLModern from Type 1 format to WOFF2 (with ligatures!)

mlmodern-otf-woff2.sh

# This script is derived from https://gist.github.com/nanxstats/1f767cb964dda645a90f84cbade05dcb#file-mlmodern-otf-woff2-sh

curl -L http://mirrors.ctan.org/fonts/mlmodern.zip > mlmodern.zip

unzip -o mlmodern.zip

cd mlmodern/type1/

cat > liga.fea << 'EOF'
languagesystem DFLT dflt;
languagesystem latn dflt;

feature liga {
    # Latin ligatures
    sub f f by ff;
    sub f i by fi;
    sub f l by fl;
    sub f f i by ffi;
    sub f f l by ffl;
} liga;
EOF

fontforge -lang=ff -c 'Open($1); Generate($1:r + ".otf")' mlmr12.pfb
fontforge -lang=ff -c 'Open($1); Generate($1:r + ".otf")' mlmri12.pfb
fontforge -lang=ff -c 'Open($1); Generate($1:r + ".otf")' mlmbx12.pfb
uvx --from afdko makeotf -f mlmr12.otf -ff liga.fea -o mlmr12_ligafix.otf
uvx --from afdko makeotf -f mlmri12.otf -ff liga.fea -o mlmri12_ligafix.otf
uvx --from afdko makeotf -f mlmbx12.otf -ff liga.fea -o mlmbx12_ligafix.otf

woff2_compress mlmr12_ligafix.otf
woff2_compress mlmri12_ligafix.otf
woff2_compress mlmbx12_ligafix.otf

mv mlmr12_ligafix.woff2 mlmodern-regular.woff2
mv mlmri12_ligafix.woff2 mlmodern-italic.woff2
mv mlmbx12_ligafix.woff2 mlmodern-bold.woff2