Don't inject ;meta(urb_front) if frontmatter is empty/nonexistent
Don't inject ;meta(urb_front) if frontmatter is empty/nonexistent

urbit/archaeology-factor,urbit/archaeology-factor,urbit/archaeology-factor,urbit/archaeology-factor,urbit/archaeology-factor,urbit/archaeology-factor,urbit/archaeology-factor,urbit/archaeology-factor,urbit/archaeology-factor,urbit/archaeology-factor