mozlinguas-v2.eclass: mark various variables as @PRE_INHERIT, @DEFAULT_UNSET

Signed-off-by: Sam James <sam@gentoo.org>

eclass/mozlinguas-v2.eclass

@@ -28,6 +28,7 @@ esac
 EXPORT_FUNCTIONS src_unpack src_compile src_install
 
 # @ECLASS-VARIABLE: MOZ_LANGS
+# @DEFAULT_UNSET
 # @DESCRIPTION:
 # Array containing the list of language pack xpis available for
 # this release. The list can be updated with scripts/get_langs.sh from the
@@ -35,34 +36,40 @@ EXPORT_FUNCTIONS src_unpack src_compile src_install
 : ${MOZ_LANGS:=()}
 
 # @ECLASS-VARIABLE: MOZ_PV
+# @DEFAULT_UNSET
 # @DESCRIPTION:
 # Ebuild package version converted to equivalent upstream version.
 # Defaults to ${PV}, and should be overridden for alphas, betas, and RCs
 : ${MOZ_PV:="${PV}"}
 
 # @ECLASS-VARIABLE: MOZ_PN
+# @DEFAULT_UNSET
 # @DESCRIPTION:
 # Ebuild package name converted to equivalent upstream name.
 # Defaults to ${PN}, and should be overridden for binary ebuilds.
 : ${MOZ_PN:="${PN}"}
 
 # @ECLASS-VARIABLE: MOZ_P
+# @DEFAULT_UNSET
 # @DESCRIPTION:
 # Ebuild package name + version converted to upstream equivalent.
 # Defaults to ${MOZ_PN}-${MOZ_PV}
 : ${MOZ_P:="${MOZ_PN}-${MOZ_PV}"}
 
 # @ECLASS-VARIABLE: MOZ_FTP_URI
+# @DEFAULT_UNSET
 # @DESCRIPTION:
 # The ftp URI prefix for the release tarballs and language packs.
 : ${MOZ_FTP_URI:=""}
 
 # @ECLASS-VARIABLE: MOZ_HTTP_URI
+# @PRE_INHERIT
 # @DESCRIPTION:
 # The http URI prefix for the release tarballs and language packs.
 : ${MOZ_HTTP_URI:=""}
 
 # @ECLASS-VARIABLE: MOZ_LANGPACK_HTTP_URI
+# @PRE_INHERIT
 # @DESCRIPTION:
 # An alternative http URI if it differs from official mozilla URI.
 # Defaults to whatever MOZ_HTTP_URI was set to.
@@ -91,6 +98,8 @@ EXPORT_FUNCTIONS src_unpack src_compile src_install
 : ${MOZ_LANGPACK_UNOFFICIAL:=""}
 
 # @ECLASS-VARIABLE: MOZ_GENERATE_LANGPACKS
+# @PRE_INHERIT
+# @DEFAULT_UNSET
 # @DESCRIPTION:
 # This flag specifies whether or not the langpacks should be
 # generated directly during the build process, rather than
@@ -106,6 +115,8 @@ EXPORT_FUNCTIONS src_unpack src_compile src_install
 : ${MOZ_L10N_SOURCEDIR:="${WORKDIR}/l10n-sources"}
 
 # @ECLASS-VARIABLE: MOZ_L10N_URI_PREFIX
+# @PRE_INHERIT
+# @DEFAULT_UNSET
 # @DESCRIPTION:
 # The full URI prefix of the distfile for each l10n locale.  The
 # AB_CD and MOZ_L10N_URI_SUFFIX will be appended to this to complete the
@@ -115,12 +126,14 @@ EXPORT_FUNCTIONS src_unpack src_compile src_install
 : ${MOZ_L10N_URI_PREFIX:=""}
 
 # @ECLASS-VARIABLE: MOZ_L10N_URI_SUFFIX
+# @DEFAULT_UNSET
 # @DESCRIPTION:
 # The suffix of l10n source distfiles.
 # Defaults to '.tar.xz'
 : ${MOZ_L10N_URI_SUFFIX:=".tar.xz"}
 
 # @ECLASS-VARIABLE: MOZ_FORCE_UPSTREAM_L10N
+# @DEFAULT_UNSET
 # @DESCRIPTION:
 # Set this to use upstream langpaks even if the package normally
 # shouldn't (ie it is an alpha or beta package)