Greek letter Σ getting a special treatment in #rust to_lowercase method because of its difference when being at the end of a word or not.
Sigma /ˈsɪɡmə/ (uppercase Σ, lowercase σ, lowercase in word-final position ς; Greek: σίγμα)
doc.rust-lang.org/src/alloc/…
"[..] we should use ML to generate our webpack config–I’ve heard that Fb does that in practice for some of their custom module bundling" x.com/alunny/status/85726230…