Presents current default settings used by the ICU library.
stri_info(short = FALSE)logical; whether or not the results should be given
in a concise form; defaults to TRUE
If short=TRUE, then a single string containing
information on default character encoding, locale, and Unicode
as well as ICU version is returned.
Otherwise, you a list with the following components is returned:
Unicode.version -- version of Unicode supported by the ICU library;
ICU.version -- ICU library version used;
Locale -- contains information on default locale,
as returned by stri_locale_info;
Charset.internal -- always c("UTF-8", "UTF-16");
Charset.native -- information on default encoding,
as returned by stri_enc_info;
ICU.system -- logical; indicates whether system ICU libs
are used (TRUE) or if ICU was built together with stringi.