system do not influence the C locale set for programs, but are taken
into account by Emacs during startup: a locale name is generated from
the selected language and regional variant and a language environment
-(@pxref{Language Environment}) is selected on that basis, which does
+(@pxref{Language Environments}) is selected on that basis, which does
not overwrite @code{LANG} or other locale-related environment
variables. The coding system for language environments set in this
fashion is @code{utf-8-unix} without exception.