doc: Mention that /X.Y must be used for GUIX_LOCPATH.

This is a followup to commit f2d7bbb.

* doc/guix.texi (Application Setup): Mention the /X.Y sub-directory.

diff --git a/doc/guix.texi b/doc/guix.texi
index a1746d4..4cd1cc5 100644 (file)
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -950,9 +950,13 @@ variable:
 
 @example
 $ guix package -i glibc-locales
-$ export GUIX_LOCPATH=$HOME/.guix-profile/lib/locale
+$ export GUIX_LOCPATH=$HOME/.guix-profile/lib/locale/2.22
 @end example
 
+The @file{/2.22} sub-directory is if you install locales from
+@code{glibc-locales-2.22}---i.e., locales for libc version 2.22.  Adjust
+in accordance with the libc version being used.
+
 Note that the @code{glibc-locales} package contains data for all the
 locales supported by the GNU@tie{}libc and weighs in at around
 110@tie{}MiB.  Alternately, the @code{glibc-utf8-locales} is smaller but