message: Get description for block meta (instead of has)
diff: @@ -7,6 +7,6 @@ if block.has('image')
  meta( name='twitter:image1', content= block.get('image').display.url )
  meta( property='og:image' content= block.get('image').display.url )
  -- description = (block.has('description') && block.has('description').replace(/(?:\r\n|\r|\n)/g, ' ')) || "Are.na is a social platform for creative and collaborative research."
  +- description = (block.has('description') && block.get('description').replace(/(?:\r\n|\r|\n)/g, ' ')) || "Are.na is a social platform for creative and collaborative research."
  meta(name="twitter:description", content=description)
  meta(property="og:description" content=description)
  