Build the localized channel envelope for a language's feed. English
reuses DEFAULT_RSS_CHANNEL (the established brand channel);
other languages source their title/description from the localized
page-metadata maps so subscribers see native-language copy.
Build the localized channel envelope for a language's feed. English reuses DEFAULT_RSS_CHANNEL (the established brand channel); other languages source their title/description from the localized page-metadata maps so subscribers see native-language copy.