https://ruby-doc.org/3.0.4/gems/rss/RSS/Maker/RSS09/Items/Item/Source/Generator.html
class RSS::Maker::RSS09::Items::Item::Source::Generator - rss: Ruby Standard Library Documentation
https://rubyapi.org/2.5/o/rss/maker/rss09/channel/skipdays/day
RSS::Maker::RSS09::Channel::SkipDays::Day | Ruby API (v2.5)
ruby apirssmakerchannelday
https://edelweissarms.com/swiss-infantry-cowhide-backpack-bern-1945/
Swiss Infantry Cowhide Backpack - (AM-RSS09) - Edelweiss Arms
Original Swiss Military backpack dated from 1945 and made in Riggisberg, Bern. High-quality cowhide rucksack with inner wooden frame.
swissinfantrycowhidebackpackedelweiss
https://docs.ruby-lang.org/en/2.5.0/RSS/Maker/RSS09/Items/Item.html
class RSS::Maker::RSS09::Items::Item - RDoc Documentation
classrssmakeritemsrdoc