Merge branch 'rss-atom' into 'master'
Fix massive regression introduced in previous commit.
Iterate over RSS feed channels and items in a less ugly way.
Don't iterate over all item children and cherry-pick the ones
we want, just target the desired elements instead.
Remove the "This is shitty" comment. It's still shitty overall,
but that particular shitty thing has been de-shitted.
See merge request sbbs/sbbs!5
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