stringi_1.7.5

1.7.5 (2021-10-04)

• [DOCUMENTATION] Paper on stringi has been accepted for
  publication in the Journal of Statistical Software,
  see https://stringi.gagolewski.com/_static/vignette/stringi.pdf
  for a draft version.

• [DOCUMENTATION] The stringi website at https://stringi.gagolewski.com
  now features a comprehensive tutorial based on the aforementioned paper.

• [DOCUMENTATION] The ICU Project site has been moved to
  https://icu.unicode.org/.

• [BUILD TIME] #457: The autoconf macros AC_LANG_CPLUSPLUS
  and AC_TRY_COMPILE were obsolete.

• [BUGFIX] #458: Passing ALTREP objects no longer yields
  'embeded nul in string' errors.