The problem with this approach is that as the paragraph is moved around, the linear id's become stale. Say the article is edited to move content, your deep link may break, still right page of content, but wrong deep link to content.
This addresses this (as stated in the article) without some elaborate server content management solution that tracks paragraphs and their html id links.
This addresses this (as stated in the article) without some elaborate server content management solution that tracks paragraphs and their html id links.