This article is added to the following model containerpage:

/dev-demo/model-containerpage/.content/.new/default-with-article.html

The article appears on a new added page. If edited, its content will be updated on every page containing this article. Please compare the pages "Sub page 1" and "Sub page 2".

NOTE: However only edit changes will be updated on all pages. If the article is deleted, it won't be deleted on the other pages. Please see the "Containerpage Demo II" for a more sophisticated example using element group.