if (stri_install_check(silent=TRUE))
stri_length(LETTERS)
if (stri_install_check(silent=TRUE))
stri_length(c('abc', '123', '\u0105\u0104'))
if (stri_install_check(silent=TRUE))
stri_length('\u0105') # length is one, but...
if (stri_install_check(silent=TRUE))
stri_numbytes('\u0105') # 2 bytes are used
if (stri_install_check(silent=TRUE))
stri_length(stri_trans_nfkd('\u0105')) # ...two code points (!)
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