Only include a post's URL in the <guid> element, not the whole post's content. This avoids including things like the DOCTYPE definition inside of the <guid> element, which invalidates the feed's format.
Only include a post's URL in the <guid> element, not the whole post's content. This avoids including things like the DOCTYPE definition inside of the <guid> element, which invalidates the feed's format.

jekyll-octopod/jekyll-octopod,jekyll-octopod/jekyll-octopod