Unicode normalization in Julia

The core normalize_string function returns a string in the specified normalization form.

nfd  = normalize_string(str, :NFD)
nfc  = normalize_string(str, :NFC)
nfkd = normalize_string(str, :NFKD)
nfkc = normalize_string(str, :NFKC)

• Requires: Julia 3.0
• Docs: http://julia.readthedocs.org/en/latest/stdlib/base/#Base.normalize_string