improve locale handling as supposed by @codefiles

Add SUPPORTED file to package as done by other distributions in order to provide
the set of available locales in a unmodified file.
Also remove examples in locale.gen to avoid matches of tools as sed and grep.

Credit @ archlinux/archinstall#1423 (comment)

git-svn-id: file:///srv/repos/svn-packages/svn@455119 eb2447ed-0c53-47e4-bac8-5bc4a241df78

trunk/PKGBUILD

@@ -185,6 +185,9 @@ package_glibc() {
   sed -e '1,3d' -e 's|/| |g' -e 's|\\| |g' -e 's|^|#|g' \
     "$srcdir/glibc/localedata/SUPPORTED" >> "$pkgdir/etc/locale.gen"
 
+  # Add SUPPORTED file
+  install -dm644 "$srcdir"/glibc/localedata/SUPPORTED "$pkgdir"/usr/share/i18n/SUPPORTED
+
   # install C.UTF-8 so that it is always available
   install -dm755 "$pkgdir/usr/lib/locale"
   cp -r "$srcdir/C.UTF-8" -t "$pkgdir/usr/lib/locale"

trunk/locale.gen.txt

@@ -9,12 +9,6 @@
 #  where <locale> is one of the locales given in /usr/share/i18n/locales
 #  and <charset> is one of the character sets listed in /usr/share/i18n/charmaps
 #
-#  Examples:
-#  en_US ISO-8859-1
-#  en_US.UTF-8 UTF-8
-#  de_DE ISO-8859-1
-#  de_DE@euro ISO-8859-15
-#
 #  The locale-gen command will generate all the locales,
 #  placing them in /usr/lib/locale.
 #